[](https://www.paloaltonetworks.com/?ts=markdown) * Sign In * Customer * Partner * Employee * [Login to download](https://www.paloaltonetworks.com/login?ts=markdown) * [Join us to become a member](https://www.paloaltonetworks.com/login?screenToRender=traditionalRegistration&ts=markdown) * EN * [USA (ENGLISH)](https://www.paloaltonetworks.com) * [AUSTRALIA (ENGLISH)](https://www.paloaltonetworks.com.au) * [BRAZIL (PORTUGUÉS)](https://www.paloaltonetworks.com.br) * [CANADA (ENGLISH)](https://www.paloaltonetworks.ca) * [CHINA (简体中文)](https://www.paloaltonetworks.cn) * [FRANCE (FRANÇAIS)](https://www.paloaltonetworks.fr) * [GERMANY (DEUTSCH)](https://www.paloaltonetworks.de) * [INDIA (ENGLISH)](https://www.paloaltonetworks.in) * [ITALY (ITALIANO)](https://www.paloaltonetworks.it) * [JAPAN (日本語)](https://www.paloaltonetworks.jp) * [KOREA (한국어)](https://www.paloaltonetworks.co.kr) * [LATIN AMERICA (ESPAÑOL)](https://www.paloaltonetworks.lat) * [MEXICO (ESPAÑOL)](https://www.paloaltonetworks.com.mx) * [SINGAPORE (ENGLISH)](https://www.paloaltonetworks.sg) * [SPAIN (ESPAÑOL)](https://www.paloaltonetworks.es) * [TAIWAN (繁體中文)](https://www.paloaltonetworks.tw) * [UK (ENGLISH)](https://www.paloaltonetworks.co.uk) * ![magnifying glass search icon to open search field](https://www.paloaltonetworks.com/etc/clientlibs/clean/imgs/search-black.svg) * [Contact Us](https://www.paloaltonetworks.com/company/contact-sales?ts=markdown) * [What's New](https://www.paloaltonetworks.com/resources?ts=markdown) * [Get Support](https://support.paloaltonetworks.com/SupportAccount/MyAccount) * [Under Attack?](https://start.paloaltonetworks.com/contact-unit42.html) ![x close icon to close mobile navigation](https://www.paloaltonetworks.com/etc/clientlibs/clean/imgs/x-black.svg) [![Palo Alto Networks logo](https://www.paloaltonetworks.com/etc/clientlibs/clean/imgs/pan-logo-dark.svg)](https://www.paloaltonetworks.com/?ts=markdown) ![magnifying glass search icon to open search field](https://www.paloaltonetworks.com/etc/clientlibs/clean/imgs/search-black.svg) * [](https://www.paloaltonetworks.com/?ts=markdown) * Products ![black arrow pointing left to go back to main navigation](https://www.paloaltonetworks.com/etc/clientlibs/clean/imgs/arrow-right-black.svg) Products [AI-Powered Network Security Platform](https://www.paloaltonetworks.com/network-security?ts=markdown) * [AI Security](https://www.paloaltonetworks.com/precision-ai-security/secure-ai-by-design?ts=markdown) * [Prisma AIRS](https://www.paloaltonetworks.com/prisma/prisma-ai-runtime-security?ts=markdown) * [AI Access Security](https://www.paloaltonetworks.com/sase/ai-access-security?ts=markdown) * [Cloud Delivered Security Services](https://www.paloaltonetworks.com/network-security/security-subscriptions?ts=markdown) * [Advanced Threat Prevention](https://www.paloaltonetworks.com/network-security/advanced-threat-prevention?ts=markdown) * [Advanced URL Filtering](https://www.paloaltonetworks.com/network-security/advanced-url-filtering?ts=markdown) * [Advanced WildFire](https://www.paloaltonetworks.com/network-security/advanced-wildfire?ts=markdown) * [Advanced DNS Security](https://www.paloaltonetworks.com/network-security/advanced-dns-security?ts=markdown) * [Enterprise Data Loss Prevention](https://www.paloaltonetworks.com/sase/enterprise-data-loss-prevention?ts=markdown) * [Enterprise Device Security](https://www.paloaltonetworks.com/network-security/enterprise-device-security?ts=markdown) * [Medical Device Security](https://www.paloaltonetworks.com/network-security/medical-device-security?ts=markdown) * [OT Device Security](https://www.paloaltonetworks.com/network-security/ot-device-security?ts=markdown) * [SaaS Security](https://www.paloaltonetworks.com/sase/saas-security?ts=markdown) * [Next-Generation Firewalls](https://www.paloaltonetworks.com/network-security/next-generation-firewall?ts=markdown) * [Hardware Firewalls](https://www.paloaltonetworks.com/network-security/hardware-firewall-innovations?ts=markdown) * [Software Firewalls](https://www.paloaltonetworks.com/network-security/software-firewalls?ts=markdown) * [Strata Cloud Manager](https://www.paloaltonetworks.com/network-security/strata-cloud-manager?ts=markdown) * [SD-WAN for NGFW](https://www.paloaltonetworks.com/network-security/sd-wan-subscription?ts=markdown) * [PAN-OS](https://www.paloaltonetworks.com/network-security/pan-os?ts=markdown) * [Panorama](https://www.paloaltonetworks.com/network-security/panorama?ts=markdown) * [Secure Access Service Edge](https://www.paloaltonetworks.com/sase?ts=markdown) * [Prisma SASE](https://www.paloaltonetworks.com/sase?ts=markdown) * [Application Acceleration](https://www.paloaltonetworks.com/sase/app-acceleration?ts=markdown) * [Autonomous Digital Experience Management](https://www.paloaltonetworks.com/sase/adem?ts=markdown) * [Enterprise DLP](https://www.paloaltonetworks.com/sase/enterprise-data-loss-prevention?ts=markdown) * [Prisma Access](https://www.paloaltonetworks.com/sase/access?ts=markdown) * [Prisma Browser](https://www.paloaltonetworks.com/sase/prisma-browser?ts=markdown) * [Prisma SD-WAN](https://www.paloaltonetworks.com/sase/sd-wan?ts=markdown) * [Remote Browser Isolation](https://www.paloaltonetworks.com/sase/remote-browser-isolation?ts=markdown) * [SaaS Security](https://www.paloaltonetworks.com/sase/saas-security?ts=markdown) [AI-Driven Security Operations Platform](https://www.paloaltonetworks.com/cortex?ts=markdown) * [Cloud Security](https://www.paloaltonetworks.com/cortex/cloud?ts=markdown) * [Cortex Cloud](https://www.paloaltonetworks.com/cortex/cloud?ts=markdown) * [Application Security](https://www.paloaltonetworks.com/cortex/cloud/application-security?ts=markdown) * [Cloud Posture Security](https://www.paloaltonetworks.com/cortex/cloud/cloud-posture-security?ts=markdown) * [Cloud Runtime Security](https://www.paloaltonetworks.com/cortex/cloud/runtime-security?ts=markdown) * [Prisma Cloud](https://www.paloaltonetworks.com/prisma/cloud?ts=markdown) * [AI-Driven SOC](https://www.paloaltonetworks.com/cortex?ts=markdown) * [Cortex XSIAM](https://www.paloaltonetworks.com/cortex/cortex-xsiam?ts=markdown) * [Cortex XDR](https://www.paloaltonetworks.com/cortex/cortex-xdr?ts=markdown) * [Cortex AgentiX](https://www.paloaltonetworks.com/cortex/agentix?ts=markdown) * [Cortex XSOAR](https://www.paloaltonetworks.com/cortex/cortex-xsoar?ts=markdown) * [Cortex Exposure Management](https://www.paloaltonetworks.com/cortex/exposure-management?ts=markdown) * [Cortex Xpanse](https://www.paloaltonetworks.com/cortex/cortex-xpanse?ts=markdown) * [Cortex Advanced Email Security](https://www.paloaltonetworks.com/cortex/advanced-email-security?ts=markdown) * [Unit 42 Managed Detection \& Response](https://www.paloaltonetworks.com/cortex/managed-detection-and-response?ts=markdown) * [Unit 42 Managed XSIAM](https://www.paloaltonetworks.com/cortex/managed-xsiam?ts=markdown) * Solutions ![black arrow pointing left to go back to main navigation](https://www.paloaltonetworks.com/etc/clientlibs/clean/imgs/arrow-right-black.svg) Solutions Secure AI by Design * [Secure AI Ecosystem](https://www.paloaltonetworks.com/prisma/prisma-ai-runtime-security?ts=markdown) * [Secure GenAI Usage](https://www.paloaltonetworks.com/sase/ai-access-security?ts=markdown) Network Security * [Cloud Network Security](https://www.paloaltonetworks.com/network-security/software-firewalls?ts=markdown) * [Data Center Security](https://www.paloaltonetworks.com/network-security/data-center?ts=markdown) * [DNS Security](https://www.paloaltonetworks.com/network-security/advanced-dns-security?ts=markdown) * [Intrusion Detection and Prevention](https://www.paloaltonetworks.com/network-security/advanced-threat-prevention?ts=markdown) * [Device Security](https://www.paloaltonetworks.com/network-security/device-security?ts=markdown) * [OT Security](https://www.paloaltonetworks.com/network-security/ot-device-security?ts=markdown) * [5G Security](https://www.paloaltonetworks.com/network-security/5g-security?ts=markdown) * [Secure All Apps, Users and Locations](https://www.paloaltonetworks.com/sase/secure-users-data-apps-devices?ts=markdown) * [Secure Branch Transformation](https://www.paloaltonetworks.com/sase/secure-branch-transformation?ts=markdown) * [Secure Work on Any Device](https://www.paloaltonetworks.com/sase/secure-work-on-any-device?ts=markdown) * [VPN Replacement](https://www.paloaltonetworks.com/sase/vpn-replacement-for-secure-remote-access?ts=markdown) * [Web \& Phishing Security](https://www.paloaltonetworks.com/network-security/advanced-url-filtering?ts=markdown) Cloud Security * [Application Security Posture Management (ASPM)](https://www.paloaltonetworks.com/cortex/cloud/application-security-posture-management?ts=markdown) * [Software Supply Chain Security](https://www.paloaltonetworks.com/cortex/cloud/software-supply-chain-security?ts=markdown) * [Code Security](https://www.paloaltonetworks.com/cortex/cloud/code-security?ts=markdown) * [Cloud Security Posture Management (CSPM)](https://www.paloaltonetworks.com/cortex/cloud/cloud-security-posture-management?ts=markdown) * [Cloud Infrastructure Entitlement Management (CIEM)](https://www.paloaltonetworks.com/cortex/cloud/cloud-infrastructure-entitlement-management?ts=markdown) * [Data Security Posture Management (DSPM)](https://www.paloaltonetworks.com/cortex/cloud/data-security-posture-management?ts=markdown) * [AI Security Posture Management (AI-SPM)](https://www.paloaltonetworks.com/cortex/cloud/ai-security-posture-management?ts=markdown) * [Cloud Detection \& Response](https://www.paloaltonetworks.com/cortex/cloud-detection-and-response?ts=markdown) * [Cloud Workload Protection (CWP)](https://www.paloaltonetworks.com/cortex/cloud/cloud-workload-protection?ts=markdown) * [Web Application \& API Security (WAAS)](https://www.paloaltonetworks.com/cortex/cloud/web-app-api-security?ts=markdown) Security Operations * [Cloud Detection \& Response](https://www.paloaltonetworks.com/cortex/cloud-detection-and-response?ts=markdown) * [Security Information and Event Management](https://www.paloaltonetworks.com/cortex/modernize-siem?ts=markdown) * [Network Security Automation](https://www.paloaltonetworks.com/cortex/network-security-automation?ts=markdown) * [Incident Case Management](https://www.paloaltonetworks.com/cortex/incident-case-management?ts=markdown) * [SOC Automation](https://www.paloaltonetworks.com/cortex/security-operations-automation?ts=markdown) * [Threat Intel Management](https://www.paloaltonetworks.com/cortex/threat-intel-management?ts=markdown) * [Managed Detection \& Response](https://www.paloaltonetworks.com/cortex/managed-detection-and-response?ts=markdown) * [Attack Surface Management](https://www.paloaltonetworks.com/cortex/cortex-xpanse/attack-surface-management?ts=markdown) * [Compliance Management](https://www.paloaltonetworks.com/cortex/cortex-xpanse/compliance-management?ts=markdown) * [Internet Operations Management](https://www.paloaltonetworks.com/cortex/cortex-xpanse/internet-operations-management?ts=markdown) * [Extended Data Lake (XDL)](https://www.paloaltonetworks.com/cortex/cortex-xdl?ts=markdown) * [Agentic Assistant](https://www.paloaltonetworks.com/cortex/cortex-agentic-assistant?ts=markdown) Endpoint Security * [Endpoint Protection](https://www.paloaltonetworks.com/cortex/endpoint-protection?ts=markdown) * [Extended Detection \& Response](https://www.paloaltonetworks.com/cortex/detection-and-response?ts=markdown) * [Ransomware Protection](https://www.paloaltonetworks.com/cortex/ransomware-protection?ts=markdown) * [Digital Forensics](https://www.paloaltonetworks.com/cortex/digital-forensics?ts=markdown) [Industries](https://www.paloaltonetworks.com/industry?ts=markdown) * [Public Sector](https://www.paloaltonetworks.com/industry/public-sector?ts=markdown) * [Financial Services](https://www.paloaltonetworks.com/industry/financial-services?ts=markdown) * [Manufacturing](https://www.paloaltonetworks.com/industry/manufacturing?ts=markdown) * [Healthcare](https://www.paloaltonetworks.com/industry/healthcare?ts=markdown) * [Small \& Medium Business Solutions](https://www.paloaltonetworks.com/industry/small-medium-business-portfolio?ts=markdown) * Services ![black arrow pointing left to go back to main navigation](https://www.paloaltonetworks.com/etc/clientlibs/clean/imgs/arrow-right-black.svg) Services [Threat Intel and Incident Response Services](https://www.paloaltonetworks.com/unit42?ts=markdown) * [Assess](https://www.paloaltonetworks.com/unit42/assess?ts=markdown) * [AI Security Assessment](https://www.paloaltonetworks.com/unit42/assess/ai-security-assessment?ts=markdown) * [Attack Surface Assessment](https://www.paloaltonetworks.com/unit42/assess/attack-surface-assessment?ts=markdown) * [Breach Readiness Review](https://www.paloaltonetworks.com/unit42/assess/breach-readiness-review?ts=markdown) * [BEC Readiness Assessment](https://www.paloaltonetworks.com/bec-readiness-assessment?ts=markdown) * [Cloud Security Assessment](https://www.paloaltonetworks.com/unit42/assess/cloud-security-assessment?ts=markdown) * [Compromise Assessment](https://www.paloaltonetworks.com/unit42/assess/compromise-assessment?ts=markdown) * [Cyber Risk Assessment](https://www.paloaltonetworks.com/unit42/assess/cyber-risk-assessment?ts=markdown) * [M\&A Cyber Due Diligence](https://www.paloaltonetworks.com/unit42/assess/mergers-acquisitions-cyber-due-diligence?ts=markdown) * [Penetration Testing](https://www.paloaltonetworks.com/unit42/assess/penetration-testing?ts=markdown) * [Purple Team Exercises](https://www.paloaltonetworks.com/unit42/assess/purple-teaming?ts=markdown) * [Ransomware Readiness Assessment](https://www.paloaltonetworks.com/unit42/assess/ransomware-readiness-assessment?ts=markdown) * [SOC Assessment](https://www.paloaltonetworks.com/unit42/assess/soc-assessment?ts=markdown) * [Supply Chain Risk Assessment](https://www.paloaltonetworks.com/unit42/assess/supply-chain-risk-assessment?ts=markdown) * [Tabletop Exercises](https://www.paloaltonetworks.com/unit42/assess/tabletop-exercise?ts=markdown) * [Unit 42 Retainer](https://www.paloaltonetworks.com/unit42/retainer?ts=markdown) * [Respond](https://www.paloaltonetworks.com/unit42/respond?ts=markdown) * [Cloud Incident Response](https://www.paloaltonetworks.com/unit42/respond/cloud-incident-response?ts=markdown) * [Digital Forensics](https://www.paloaltonetworks.com/unit42/respond/digital-forensics?ts=markdown) * [Incident Response](https://www.paloaltonetworks.com/unit42/respond/incident-response?ts=markdown) * [Managed Detection and Response](https://www.paloaltonetworks.com/unit42/respond/managed-detection-response?ts=markdown) * [Managed Threat Hunting](https://www.paloaltonetworks.com/unit42/respond/managed-threat-hunting?ts=markdown) * [Managed XSIAM](https://www.paloaltonetworks.com/cortex/managed-xsiam?ts=markdown) * [Unit 42 Retainer](https://www.paloaltonetworks.com/unit42/retainer?ts=markdown) * [Transform](https://www.paloaltonetworks.com/unit42/transform?ts=markdown) * [IR Plan Development and Review](https://www.paloaltonetworks.com/unit42/transform/incident-response-plan-development-review?ts=markdown) * [Security Program Design](https://www.paloaltonetworks.com/unit42/transform/security-program-design?ts=markdown) * [Virtual CISO](https://www.paloaltonetworks.com/unit42/transform/vciso?ts=markdown) * [Zero Trust Advisory](https://www.paloaltonetworks.com/unit42/transform/zero-trust-advisory?ts=markdown) [Global Customer Services](https://www.paloaltonetworks.com/services?ts=markdown) * [Education \& Training](https://www.paloaltonetworks.com/services/education?ts=markdown) * [Professional Services](https://www.paloaltonetworks.com/services/consulting?ts=markdown) * [Success Tools](https://www.paloaltonetworks.com/services/customer-success-tools?ts=markdown) * [Support Services](https://www.paloaltonetworks.com/services/solution-assurance?ts=markdown) * [Customer Success](https://www.paloaltonetworks.com/services/customer-success?ts=markdown) [![](https://www.paloaltonetworks.com/etc/clientlibs/clean/imgs/logo-unit-42.svg) UNIT 42 RETAINER Custom-built to fit your organization's needs, you can choose to allocate your retainer hours to any of our offerings, including proactive cyber risk management services. Learn how you can put the world-class Unit 42 Incident Response team on speed dial. Learn more](https://www.paloaltonetworks.com/unit42/retainer?ts=markdown) * Partners ![black arrow pointing left to go back to main navigation](https://www.paloaltonetworks.com/etc/clientlibs/clean/imgs/arrow-right-black.svg) Partners NextWave Partners * [NextWave Partner Community](https://www.paloaltonetworks.com/partners?ts=markdown) * [Cloud Service Providers](https://www.paloaltonetworks.com/partners/nextwave-for-csp?ts=markdown) * [Global Systems Integrators](https://www.paloaltonetworks.com/partners/nextwave-for-gsi?ts=markdown) * [Technology Partners](https://www.paloaltonetworks.com/partners/technology-partners?ts=markdown) * [Service Providers](https://www.paloaltonetworks.com/partners/service-providers?ts=markdown) * [Solution Providers](https://www.paloaltonetworks.com/partners/nextwave-solution-providers?ts=markdown) * [Managed Security Service Providers](https://www.paloaltonetworks.com/partners/managed-security-service-providers?ts=markdown) * [XMDR Partners](https://www.paloaltonetworks.com/partners/managed-security-service-providers/xmdr?ts=markdown) Take Action * [Portal Login](https://www.paloaltonetworks.com/partners/nextwave-partner-portal?ts=markdown) * [Managed Services Program](https://www.paloaltonetworks.com/partners/managed-security-services-provider-program?ts=markdown) * [Become a Partner](https://paloaltonetworks.my.site.com/NextWavePartnerProgram/s/partnerregistration?type=becomepartner) * [Request Access](https://paloaltonetworks.my.site.com/NextWavePartnerProgram/s/partnerregistration?type=requestaccess) * [Find a Partner](https://paloaltonetworks.my.site.com/NextWavePartnerProgram/s/partnerlocator) [CYBERFORCE CYBERFORCE represents the top 1% of partner engineers trusted for their security expertise. Learn more](https://www.paloaltonetworks.com/cyberforce?ts=markdown) * Company ![black arrow pointing left to go back to main navigation](https://www.paloaltonetworks.com/etc/clientlibs/clean/imgs/arrow-right-black.svg) Company Palo Alto Networks * [About Us](https://www.paloaltonetworks.com/about-us?ts=markdown) * [Management Team](https://www.paloaltonetworks.com/about-us/management?ts=markdown) * [Investor Relations](https://investors.paloaltonetworks.com) * [Locations](https://www.paloaltonetworks.com/about-us/locations?ts=markdown) * [Ethics \& Compliance](https://www.paloaltonetworks.com/company/ethics-and-compliance?ts=markdown) * [Corporate Responsibility](https://www.paloaltonetworks.com/about-us/corporate-responsibility?ts=markdown) * [Military \& Veterans](https://jobs.paloaltonetworks.com/military) [Why Palo Alto Networks?](https://www.paloaltonetworks.com/why-paloaltonetworks?ts=markdown) * [Precision AI Security](https://www.paloaltonetworks.com/precision-ai-security?ts=markdown) * [Our Platform Approach](https://www.paloaltonetworks.com/why-paloaltonetworks/platformization?ts=markdown) * [Accelerate Your Cybersecurity Transformation](https://www.paloaltonetworks.com/why-paloaltonetworks/nam-cxo-portfolio?ts=markdown) * [Awards \& Recognition](https://www.paloaltonetworks.com/about-us/awards?ts=markdown) * [Customer Stories](https://www.paloaltonetworks.com/customers?ts=markdown) * [Global Certifications](https://www.paloaltonetworks.com/legal-notices/trust-center/compliance?ts=markdown) * [Trust 360 Program](https://www.paloaltonetworks.com/resources/whitepapers/trust-360?ts=markdown) Careers * [Overview](https://jobs.paloaltonetworks.com/) * [Culture \& Benefits](https://jobs.paloaltonetworks.com/en/culture/) [A Newsweek Most Loved Workplace "Businesses that do right by their employees" Read more](https://www.paloaltonetworks.com/company/press/2021/palo-alto-networks-secures-top-ranking-on-newsweek-s-most-loved-workplaces-list-for-2021?ts=markdown) * More ![black arrow pointing left to go back to main navigation](https://www.paloaltonetworks.com/etc/clientlibs/clean/imgs/arrow-right-black.svg) More Resources * [Blog](https://www.paloaltonetworks.com/blog/?ts=markdown) * [Unit 42 Threat Research](https://unit42.paloaltonetworks.com/) * [Communities](https://www.paloaltonetworks.com/communities?ts=markdown) * [Content Library](https://www.paloaltonetworks.com/resources?ts=markdown) * [Cyberpedia](https://www.paloaltonetworks.com/cyberpedia?ts=markdown) * [Tech Insider](https://techinsider.paloaltonetworks.com/) * [Knowledge Base](https://knowledgebase.paloaltonetworks.com/) * [Palo Alto Networks TV](https://tv.paloaltonetworks.com/) * [Perspectives of Leaders](https://www.paloaltonetworks.com/perspectives/?ts=markdown) * [Cyber Perspectives Magazine](https://www.paloaltonetworks.com/cybersecurity-perspectives/cyber-perspectives-magazine?ts=markdown) * [Regional Cloud Locations](https://www.paloaltonetworks.com/products/regional-cloud-locations?ts=markdown) * [Tech Docs](https://docs.paloaltonetworks.com/) * [Security Posture Assessment](https://www.paloaltonetworks.com/security-posture-assessment?ts=markdown) * [Threat Vector Podcast](https://unit42.paloaltonetworks.com/unit-42-threat-vector-podcast/) * [Packet Pushers Podcasts](https://www.paloaltonetworks.com/podcasts/packet-pusher?ts=markdown) Connect * [LIVE community](https://live.paloaltonetworks.com/) * [Events](https://events.paloaltonetworks.com/) * [Executive Briefing Center](https://www.paloaltonetworks.com/about-us/executive-briefing-program?ts=markdown) * [Demos](https://www.paloaltonetworks.com/demos?ts=markdown) * [Contact us](https://www.paloaltonetworks.com/company/contact-sales?ts=markdown) [Blog Stay up-to-date on industry trends and the latest innovations from the world's largest cybersecurity Learn more](https://www.paloaltonetworks.com/blog/) * Sign In ![black arrow pointing left to go back to main navigation](https://www.paloaltonetworks.com/etc/clientlibs/clean/imgs/arrow-right-black.svg) Sign In * Customer * Partner * Employee * [Login to download](https://www.paloaltonetworks.com/login?ts=markdown) * [Join us to become a member](https://www.paloaltonetworks.com/login?screenToRender=traditionalRegistration&ts=markdown) * EN ![black arrow pointing left to go back to main navigation](https://www.paloaltonetworks.com/etc/clientlibs/clean/imgs/arrow-right-black.svg) Language * [USA (ENGLISH)](https://www.paloaltonetworks.com) * [AUSTRALIA (ENGLISH)](https://www.paloaltonetworks.com.au) * [BRAZIL (PORTUGUÉS)](https://www.paloaltonetworks.com.br) * [CANADA (ENGLISH)](https://www.paloaltonetworks.ca) * [CHINA (简体中文)](https://www.paloaltonetworks.cn) * [FRANCE (FRANÇAIS)](https://www.paloaltonetworks.fr) * [GERMANY (DEUTSCH)](https://www.paloaltonetworks.de) * [INDIA (ENGLISH)](https://www.paloaltonetworks.in) * [ITALY (ITALIANO)](https://www.paloaltonetworks.it) * [JAPAN (日本語)](https://www.paloaltonetworks.jp) * [KOREA (한국어)](https://www.paloaltonetworks.co.kr) * [LATIN AMERICA (ESPAÑOL)](https://www.paloaltonetworks.lat) * [MEXICO (ESPAÑOL)](https://www.paloaltonetworks.com.mx) * [SINGAPORE (ENGLISH)](https://www.paloaltonetworks.sg) * [SPAIN (ESPAÑOL)](https://www.paloaltonetworks.es) * [TAIWAN (繁體中文)](https://www.paloaltonetworks.tw) * [UK (ENGLISH)](https://www.paloaltonetworks.co.uk) * [Contact Us](https://www.paloaltonetworks.com/company/contact-sales?ts=markdown) * [What's New](https://www.paloaltonetworks.com/resources?ts=markdown) * [Get support](https://support.paloaltonetworks.com/SupportAccount/MyAccount) * [Under Attack?](https://start.paloaltonetworks.com/contact-unit42.html) * [Demos and Trials](https://www.paloaltonetworks.com/get-started?ts=markdown) Search All * [Tech Docs](https://docs.paloaltonetworks.com/search) Close search modal [Deploy Bravely --- Secure your AI transformation with Prisma AIRS](https://www.deploybravely.com) [](https://www.paloaltonetworks.com/?ts=markdown) 1. [Cyberpedia](https://www.paloaltonetworks.com/cyberpedia?ts=markdown) 2. [Security Operations](https://www.paloaltonetworks.com/cyberpedia/security-operations?ts=markdown) 3. [SIEM](https://www.paloaltonetworks.com/cyberpedia/security-analytics?ts=markdown) 4. [What Is Security Event Management (SEM)?](https://www.paloaltonetworks.com/cyberpedia/what-is-security-event-management-sem?ts=markdown) Table of Contents * [What is Security Analytics?](https://www.paloaltonetworks.com/cyberpedia/security-analytics?ts=markdown) * [Security Analytics Platforms](https://www.paloaltonetworks.com/cyberpedia/security-analytics#security?ts=markdown) * [Security Analytics Capabilities](https://www.paloaltonetworks.com/cyberpedia/security-analytics#capabilities?ts=markdown) * [MITRE ATT\&CK Mapping](https://www.paloaltonetworks.com/cyberpedia/security-analytics#mitre?ts=markdown) * [SOAR and Threat Intelligence Platform](https://www.paloaltonetworks.com/cyberpedia/security-analytics#platform?ts=markdown) * [Benefits of Security Analytics](https://www.paloaltonetworks.com/cyberpedia/security-analytics#benefits?ts=markdown) * [SIEM vs. Security Analytics](https://www.paloaltonetworks.com/cyberpedia/security-analytics#vs?ts=markdown) * [Our Approach to Security Analytics](https://www.paloaltonetworks.com/cyberpedia/security-analytics#approach?ts=markdown) * [Security Analytics FAQs](https://www.paloaltonetworks.com/cyberpedia/security-analytics#faqs?ts=markdown) * [What is SIEM?](https://www.paloaltonetworks.com/cyberpedia/what-is-siem?ts=markdown) * [SIEM: The Foundation for XSIAM](https://www.paloaltonetworks.com/cyberpedia/what-is-siem#foundation?ts=markdown) * [How SIEM Works](https://www.paloaltonetworks.com/cyberpedia/what-is-siem#how?ts=markdown) * [Key Functions and Benefits of SIEM](https://www.paloaltonetworks.com/cyberpedia/what-is-siem#key?ts=markdown) * [Role of AI and ML in SIEM](https://www.paloaltonetworks.com/cyberpedia/what-is-siem#role?ts=markdown) * [SIEM Integration](https://www.paloaltonetworks.com/cyberpedia/what-is-siem#siem?ts=markdown) * [SIEM Use Cases](https://www.paloaltonetworks.com/cyberpedia/what-is-siem#usecases?ts=markdown) * [How to Choose a SIEM Solution](https://www.paloaltonetworks.com/cyberpedia/what-is-siem#solution?ts=markdown) * [Best Practices for SIEM Implementation](https://www.paloaltonetworks.com/cyberpedia/what-is-siem#best?ts=markdown) * [SIEM vs Other Security Solutions](https://www.paloaltonetworks.com/cyberpedia/what-is-siem#vs?ts=markdown) * [What is Cloud SIEM?](https://www.paloaltonetworks.com/cyberpedia/what-is-siem#cloud?ts=markdown) * [The Evolution of SIEM](https://www.paloaltonetworks.com/cyberpedia/what-is-siem#evolution?ts=markdown) * [The Future of SIEM](https://www.paloaltonetworks.com/cyberpedia/what-is-siem#future?ts=markdown) * [SIEM FAQs](https://www.paloaltonetworks.com/cyberpedia/what-is-siem#faqs?ts=markdown) * [What is Security Information and Event Management (SIEM) Integration?](https://www.paloaltonetworks.com/cyberpedia/what-is-security-information-event-management-siem-integration?ts=markdown) * [How Does SIEM Integration Work?](https://www.paloaltonetworks.com/cyberpedia/what-is-security-information-event-management-siem-integration#how?ts=markdown) * [What are the Benefits of SIEM Integration?](https://www.paloaltonetworks.com/cyberpedia/what-is-security-information-event-management-siem-integration#what?ts=markdown) * [Fundamentals of SIEM Integration](https://www.paloaltonetworks.com/cyberpedia/what-is-security-information-event-management-siem-integration#fundamentals?ts=markdown) * [SIEM Integration FAQs](https://www.paloaltonetworks.com/cyberpedia/what-is-security-information-event-management-siem-integration#faqs?ts=markdown) * [What is SIEM Logging?](https://www.paloaltonetworks.com/cyberpedia/what-is-siem-logging?ts=markdown) * [Why is SIEM Logging Important for IT Security?](https://www.paloaltonetworks.com/cyberpedia/what-is-siem-logging#why?ts=markdown) * [SIEM vs. Log Management: Understanding the Differences](https://www.paloaltonetworks.com/cyberpedia/what-is-siem-logging#vs?ts=markdown) * [Key Components in SIEM Logs](https://www.paloaltonetworks.com/cyberpedia/what-is-siem-logging#key?ts=markdown) * [The Mechanics of SIEM Logging](https://www.paloaltonetworks.com/cyberpedia/what-is-siem-logging#mechanics?ts=markdown) * [SIEM Logging Best Practices](https://www.paloaltonetworks.com/cyberpedia/what-is-siem-logging#best-practices?ts=markdown) * [SIEM Logging Challenges and Solutions](https://www.paloaltonetworks.com/cyberpedia/what-is-siem-logging#challenges?ts=markdown) * [SIEM Logging FAQs](https://www.paloaltonetworks.com/cyberpedia/what-is-siem-logging#faqs?ts=markdown) * What Is Security Event Management (SEM)? * [Why is SEM Important to IT Security?](https://www.paloaltonetworks.com/cyberpedia/what-is-security-event-management-sem#why?ts=markdown) * [How does SEM work?](https://www.paloaltonetworks.com/cyberpedia/what-is-security-event-management-sem#how?ts=markdown) * [Scenario: Detecting and Mitigating an Insider Threat](https://www.paloaltonetworks.com/cyberpedia/what-is-security-event-management-sem#scenario?ts=markdown) * [SIM vs. SEM vs. SIEM](https://www.paloaltonetworks.com/cyberpedia/what-is-security-event-management-sem#sim?ts=markdown) * [Security Event Management (SEM) FAQs](https://www.paloaltonetworks.com/cyberpedia/what-is-security-event-management-sem#faqs?ts=markdown) * [What is a SIEM Solution in a SOC?](https://www.paloaltonetworks.com/cyberpedia/siem-solutions-in-soc?ts=markdown) * [What is a Security Information and Event Management (SIEM) Solution?](https://www.paloaltonetworks.com/cyberpedia/siem-solutions-in-soc#what?ts=markdown) * [What Is a Security Operations Center (SOC)?](https://www.paloaltonetworks.com/cyberpedia/siem-solutions-in-soc#soc?ts=markdown) * [Key Components of SIEM Solutions](https://www.paloaltonetworks.com/cyberpedia/siem-solutions-in-soc#key?ts=markdown) * [How Does SIEM Integrate with SOC?](https://www.paloaltonetworks.com/cyberpedia/siem-solutions-in-soc#how?ts=markdown) * [Why is SIEM Utilized?](https://www.paloaltonetworks.com/cyberpedia/siem-solutions-in-soc#why?ts=markdown) * [Traditional SIEMs](https://www.paloaltonetworks.com/cyberpedia/siem-solutions-in-soc#traditional?ts=markdown) * [Limitations of a SIEM](https://www.paloaltonetworks.com/cyberpedia/siem-solutions-in-soc#limitations?ts=markdown) * [What Is Next-Generation SIEM?](https://www.paloaltonetworks.com/cyberpedia/siem-solutions-in-soc#next-generations?ts=markdown) * [SIEM Solutions in SOC FAQs](https://www.paloaltonetworks.com/cyberpedia/siem-solutions-in-soc#faqs?ts=markdown) * [How Do SIEM Tools Benefit SOC Teams?](https://www.paloaltonetworks.com/cyberpedia/how-do-siem-tools-benefit-soc-teams?ts=markdown) * [What is a SOC (Security Operations Center)?](https://www.paloaltonetworks.com/cyberpedia/how-do-siem-tools-benefit-soc-teams#what?ts=markdown) * [What is Security Information and Event Management (SIEM)?](https://www.paloaltonetworks.com/cyberpedia/how-do-siem-tools-benefit-soc-teams#siem?ts=markdown) * [The Benefits of SIEM Tools for SOC Teams](https://www.paloaltonetworks.com/cyberpedia/how-do-siem-tools-benefit-soc-teams#benefits?ts=markdown) * [Implementing SIEM in SOCs](https://www.paloaltonetworks.com/cyberpedia/how-do-siem-tools-benefit-soc-teams#implementing?ts=markdown) * [Challenges and Considerations](https://www.paloaltonetworks.com/cyberpedia/how-do-siem-tools-benefit-soc-teams#challenges?ts=markdown) * [How SIEM Tools Benefit SOC Teams FAQs](https://www.paloaltonetworks.com/cyberpedia/how-do-siem-tools-benefit-soc-teams#faqs?ts=markdown) * [What Is the Role of AI and ML in Modern SIEM Solutions?](https://www.paloaltonetworks.com/cyberpedia/role-of-artificial-intelligence-ai-and-machine-learning-ml-in-siem?ts=markdown) * [The Evolution of SIEM Systems](https://www.paloaltonetworks.com/cyberpedia/role-of-artificial-intelligence-ai-and-machine-learning-ml-in-siem#the?ts=markdown) * [Benefits of Leveraging AI and ML in SIEM Systems](https://www.paloaltonetworks.com/cyberpedia/role-of-artificial-intelligence-ai-and-machine-learning-ml-in-siem#benefits?ts=markdown) * [SIEM Features and Functionality that Leverage AI and ML](https://www.paloaltonetworks.com/cyberpedia/role-of-artificial-intelligence-ai-and-machine-learning-ml-in-siem#siem?ts=markdown) * [AI Techniques and ML Algorithms that Support Next-Gen SIEM Solutions](https://www.paloaltonetworks.com/cyberpedia/role-of-artificial-intelligence-ai-and-machine-learning-ml-in-siem#ai?ts=markdown) * [Predictions for Future Uses of AI and ML in SIEM Solutions](https://www.paloaltonetworks.com/cyberpedia/role-of-artificial-intelligence-ai-and-machine-learning-ml-in-siem#predictions?ts=markdown) * [Role of AI and Machine Learning in SIEM FAQs](https://www.paloaltonetworks.com/cyberpedia/role-of-artificial-intelligence-ai-and-machine-learning-ml-in-siem#faqs?ts=markdown) * [What is Cloud SIEM?](https://www.paloaltonetworks.com/cyberpedia/what-is-cloud-siem?ts=markdown) * [Why Use a Cloud SIEM?](https://www.paloaltonetworks.com/cyberpedia/what-is-cloud-siem#why?ts=markdown) * [How SIEM Interacts with Cloud Environments and SaaS Applications](https://www.paloaltonetworks.com/cyberpedia/what-is-cloud-siem#how?ts=markdown) * [Core Cloud SIEM Features and Capabilities](https://www.paloaltonetworks.com/cyberpedia/what-is-cloud-siem#core?ts=markdown) * [Cloud SIEM Deployment Models](https://www.paloaltonetworks.com/cyberpedia/what-is-cloud-siem#cloud?ts=markdown) * [On-Premise vs. Cloud SIEM Deployment](https://www.paloaltonetworks.com/cyberpedia/what-is-cloud-siem#vs?ts=markdown) * [Key Steps for Implementing Cloud SIEM](https://www.paloaltonetworks.com/cyberpedia/what-is-cloud-siem#key?ts=markdown) * [Cloud SIEM Challenges](https://www.paloaltonetworks.com/cyberpedia/what-is-cloud-siem#challenges?ts=markdown) * [Considerations of a Cloud Native SIEM Solution](https://www.paloaltonetworks.com/cyberpedia/what-is-cloud-siem#considerations?ts=markdown) * [Cloud SIEM FAQs](https://www.paloaltonetworks.com/cyberpedia/what-is-cloud-siem#faqs?ts=markdown) * [What Is Security Information Event Management (SIEM) Software?](https://www.paloaltonetworks.com/cyberpedia/what-is-siem-software?ts=markdown) * [How Security Information Event Management (SIEM) Software Works](https://www.paloaltonetworks.com/cyberpedia/what-is-siem-software#works?ts=markdown) * [Benefits of SIEM Software](https://www.paloaltonetworks.com/cyberpedia/what-is-siem-software#benefits?ts=markdown) * [SIEM Software Features](https://www.paloaltonetworks.com/cyberpedia/what-is-siem-software#features?ts=markdown) * [SIEM Software Types](https://www.paloaltonetworks.com/cyberpedia/what-is-siem-software#types?ts=markdown) * [SIEM Implementation and Deployment](https://www.paloaltonetworks.com/cyberpedia/what-is-siem-software#implementation?ts=markdown) * [SIEM Software Best Practices](https://www.paloaltonetworks.com/cyberpedia/what-is-siem-software#practices?ts=markdown) * [What are SIEM Use Cases?](https://www.paloaltonetworks.com/cyberpedia/what-are-siem-use-cases?ts=markdown) * [Exploring SIEM Use Cases](https://www.paloaltonetworks.com/cyberpedia/what-are-siem-use-cases#SIEM?ts=markdown) * [Key SIEM Use Cases](https://www.paloaltonetworks.com/cyberpedia/what-are-siem-use-cases#use-cases?ts=markdown) * [Building and Managing SIEM Use Cases](https://www.paloaltonetworks.com/cyberpedia/what-are-siem-use-cases#managing?ts=markdown) * [Implementing SIEM: Best Practices and Considerations](https://www.paloaltonetworks.com/cyberpedia/what-are-siem-use-cases#best-practices?ts=markdown) * [SIEM Use Cases FAQs](https://www.paloaltonetworks.com/cyberpedia/what-are-siem-use-cases#faq?ts=markdown) * [What Are Security Information and Event Management (SIEM) Tools?](https://www.paloaltonetworks.com/cyberpedia/what-are-siem-tools?ts=markdown) * [What Is Security and Information Event Management (SIEM)?](https://www.paloaltonetworks.com/cyberpedia/what-are-siem-tools#SIEM?ts=markdown) * [What Do SIEM Tools Do?](https://www.paloaltonetworks.com/cyberpedia/what-are-siem-tools#Tools?ts=markdown) * [How Do SIEM Tools Work?](https://www.paloaltonetworks.com/cyberpedia/what-are-siem-tools#How?ts=markdown) * [Why Is SIEM important?](https://www.paloaltonetworks.com/cyberpedia/what-are-siem-tools#Why?ts=markdown) * [Key SIEM Tools and Features](https://www.paloaltonetworks.com/cyberpedia/what-are-siem-tools#Features?ts=markdown) * [Compliance Management and Reporting](https://www.paloaltonetworks.com/cyberpedia/what-are-siem-tools#Compliance?ts=markdown) * [Benefits of SIEM Tools](https://www.paloaltonetworks.com/cyberpedia/what-are-siem-tools#Benefits?ts=markdown) * [Security Information and Event Management (SIEM) FAQs](https://www.paloaltonetworks.com/cyberpedia/what-are-siem-tools#FAQs?ts=markdown) # What Is Security Event Management (SEM)? 5 min. read Table of Contents * * [Why is SEM Important to IT Security?](https://www.paloaltonetworks.com/cyberpedia/what-is-security-event-management-sem#why?ts=markdown) * [How does SEM work?](https://www.paloaltonetworks.com/cyberpedia/what-is-security-event-management-sem#how?ts=markdown) * [Scenario: Detecting and Mitigating an Insider Threat](https://www.paloaltonetworks.com/cyberpedia/what-is-security-event-management-sem#scenario?ts=markdown) * [SIM vs. SEM vs. SIEM](https://www.paloaltonetworks.com/cyberpedia/what-is-security-event-management-sem#sim?ts=markdown) * [Security Event Management (SEM) FAQs](https://www.paloaltonetworks.com/cyberpedia/what-is-security-event-management-sem#faqs?ts=markdown) 1. Why is SEM Important to IT Security? * * [Why is SEM Important to IT Security?](https://www.paloaltonetworks.com/cyberpedia/what-is-security-event-management-sem#why?ts=markdown) * [How does SEM work?](https://www.paloaltonetworks.com/cyberpedia/what-is-security-event-management-sem#how?ts=markdown) * [Scenario: Detecting and Mitigating an Insider Threat](https://www.paloaltonetworks.com/cyberpedia/what-is-security-event-management-sem#scenario?ts=markdown) * [SIM vs. SEM vs. SIEM](https://www.paloaltonetworks.com/cyberpedia/what-is-security-event-management-sem#sim?ts=markdown) * [Security Event Management (SEM) FAQs](https://www.paloaltonetworks.com/cyberpedia/what-is-security-event-management-sem#faqs?ts=markdown) Security event management (SEM) is the process of monitoring, correlating and managing security events within an organization's IT infrastructure to detect and respond to potential security threats or incidents. SEM focuses primarily on the management and analysis of security events. It typically involves event monitoring via logs and activities, correlation and analysis, alerting and notification, [incident response](https://www.paloaltonetworks.com/cyberpedia/what-is-incident-response?ts=markdown), and reporting and compliance. [Get the Full Picture | Cortex XSIAM - Palo Alto Networks](https://www.paloaltonetworks.com/resources/videos/get-the-full-picture-on-cortex-xsiam?ts=markdown) ## Why is SEM Important to IT Security? SEM is vital as it is the first defense against cyberthreats. It's the difference between catching a cyberattack as it happens and dealing with the aftermath of a breach. SEM's real-time monitoring and alert systems allow swift action, minimizing damage and protecting sensitive data. The primary goal of SEM is to distinguish normal activities--typical user behaviors, network operations, and system processes--from suspicious or malicious behavior. This process involves correlating event logs and log data using predefined rules, signatures, and algorithms to identify patterns indicative of potential security incidents. Through real-time monitoring and analysis, SEM enables security teams to swiftly recognize and respond to anomalies that could signify a [breach](https://www.paloaltonetworks.com/cyberpedia/data-breach?ts=markdown) or an impending threat. Further, SEM plays a pivotal role in [compliance](https://www.paloaltonetworks.com/cyberpedia/data-compliance?ts=markdown) and regulatory adherence. Many industries operate within strict regulatory frameworks mandating comprehensive security measures. SEM assists organizations in meeting these requirements by providing comprehensive audit trails, [incident response](https://www.paloaltonetworks.com/cyberpedia/what-is-incident-response?ts=markdown) capabilities, and [reports](https://www.paloaltonetworks.com/cyberpedia/what-is-cyber-incident-reporting?ts=markdown) for compliance assessments. ## How does SEM work? SEM collects and analyzes log data from various sources within an IT environment. It's like piecing together a puzzle - each piece of data helps form a clearer picture of the network's security status, allowing for quick identification of anomalies or malicious activities. The SEM process is crucial to an organization's cybersecurity strategy. It involves a series of stages that enable security teams to detect, investigate, and respond to potential security threats promptly and effectively. ### Stage One: Data Collection This involves gathering logs and events from various sources across the network, such as [firewalls](https://www.paloaltonetworks.com/cyberpedia/what-is-a-firewall?ts=markdown), [intrusion detection systems](https://www.paloaltonetworks.com/cyberpedia/what-is-an-intrusion-detection-system-ids?ts=markdown), and servers. The collected data is then stored in a centralized repository for analysis. ### Stage Two: Normalization Since logs and events can have different formats and structures depending on the source, they need to be converted into a standardized format for unified analysis. This involves mapping the different log fields to a common schema, so they can be easily correlated and analyzed. ### Stage Three: Correlation This involves analyzing the collected data to identify patterns or anomalies indicating security threats. This is typically done using advanced analytics techniques such as [machine learning](https://www.paloaltonetworks.com/cyberpedia/machine-learning-ml?ts=markdown) and behavioral analysis, which can help detect complex attack patterns that may go unnoticed by traditional rule-based systems. ### Stage Four: Alerting When a potential security threat is detected, the SEM system generates alerts or notifications for security teams to investigate and respond to. These alerts typically include details on the threat's nature, the incident's severity, and recommended actions for containment and mitigation. ### Stage Five: Incident Response This involves taking appropriate actions to contain, mitigate, and remediate security incidents. This may include isolating affected systems, blocking malicious traffic, restoring backups, and conducting [forensic analysis](https://www.paloaltonetworks.com/cyberpedia/digital-forensics-and-incident-response?ts=markdown) to determine the incident's root cause. By following these stages, organizations can establish an intense SEM process to proactively detect and respond to security threats, reducing the risk of data breaches and other cyberattacks. ## Scenario: Detecting and Mitigating an Insider Threat ### Context Organization Profile: A large healthcare provider with sensitive patient data stored on its network. IT Infrastructure: A combination of internal servers and cloud-based services, with access controls for different levels of employee clearance. ### Pre-Incident Phase SEM Implementation: The organization utilizes a sophisticated SEM system to monitor and analyze real-time events across its network. #### Incident Initiation Suspicious Activity: A billing department employee who usually accesses a specific set of patient records begins accessing many files unrelated to their usual duties. These files contain sensitive patient information. ### SEM Detection * **Real-time Monitoring**: The SEM system is configured to flag any unusual access patterns based on predefined rules. It detects abnormal data access behavior from the employee's user account. * **Alert Generation**: An alert is automatically triggered and sent to the cybersecurity team, indicating potential unauthorized access or an insider threat. * **Incident Assessment**: The cybersecurity team immediately reviews the alert. They assess the access logs and confirm that the employee's behavior deviates significantly from their normal pattern. * **Employee Verification**: The team contacts the employee's supervisor to verify whether the data access is legitimate or part of an assigned task. ### Containment and Investigation * **Account Suspension**: Upon confirmation that the access is unauthorized, the employee's account is temporarily suspended to prevent further data access. * **Investigation**: The cybersecurity team initiates a thorough investigation, including interviewing the employee, reviewing access logs in detail, and checking for data exfiltration attempts. ### Resolution * **Outcome Determination**: The investigation reveals that the employee accessed patient data out of curiosity, violating the organization's privacy policies. * **Action Taken**: According to the organization's policies, the employee is subjected to disciplinary action. The incident is documented, and a review of access controls is conducted. ### Post-Incident Analysis * **SEM System Update**: The SEM rules are updated to finely tune the detection of unusual data access patterns, improving sensitivity to potential insider threats. * **Employee Training**: Additional training sessions on data privacy and security protocols are organized for all employees to prevent similar incidents. ### How SIEM Software Works ![Diagram showing how SIEM software collects, stores, analyzes and reports on log data that is generated by various systems and application in a network.](https://www.paloaltonetworks.com/content/dam/pan/en_US/images/cyberpedia/what-is-sem/siem-at-a-glance.png "Diagram showing how SIEM software collects, stores, analyzes and reports on log data that is generated by various systems and application in a network.") SIEM (Security Information and Event Management) software collects and analyzes security data from an organization's IT environment to detect, investigate, and respond to threats. The following are the steps, summarized: 1. **Data Collection** -- SIEM gathers log and event data from various sources like firewalls, servers, endpoints, and applications. 2. **Normalization** -- It standardizes the data into a common format so it can be analyzed uniformly. 3. **Correlation \& Analysis** -- SIEM software uses rules and machine learning to identify patterns and correlate events that may indicate a security incident. 4. **Alerting** -- When suspicious activity is detected, SIEM generates alerts for security teams to investigate. 5. **Dashboards \& Reporting** -- Provides visualizations, reports, and real-time monitoring to help with compliance and situational awareness. 6. **Incident Response** -- Some SIEMs integrate with SOAR tools to automate responses like isolating endpoints or blocking IPs. ## SIM vs. SEM vs. SIEM Imagine SEM as a real-time alarm system, swiftly identifying threats as they happen. In contrast, security information management (SIM) is like a detailed record keeper, meticulously storing and analyzing historical data. Together, they form a powerful duo, often integrated into [security information and event management (SIEM) systems](https://www.paloaltonetworks.com/cyberpedia/what-is-siem?ts=markdown), providing a comprehensive overview of security health. Understanding the distinctions between SIM, SEM, and SIEM is vital in the realm of cybersecurity. Their integration is essential for developing comprehensive security strategies. SEM and SIM are the two pillars of what is now known as SIEM, and these discrete approaches can be defined as follows: * **SIM systems** collect and analyze log data, including network and system logs, for long-term storage and generate reports for compliance purposes. * **SEM** enables the recording and evaluation of event data and helps security or system administrators to analyze, adjust, and manage the information security architecture, policies, and procedures. It provides immediate alerts when potential security incidents are detected, allowing security teams to react quickly. SEM also includes the ability to correlate different events from various sources, aiding in detecting complex cyberthreats. * **SIEM systems** combine SIM and SEM capabilities to offer long-term storage and analysis of log data and real-time monitoring and response capabilities. By providing a comprehensive security overview, SIEM enables the detection of sophisticated threats that require real-time events and historical data analysis. They also have advanced features like UEBA, SOAR, and advanced threat intelligence integrations. To contextualize these threads in today's parlance, it is essential to understand that SIEM tools have become a standard solution in the modern security operations center. Today's advanced SIEM platforms serve as the nerve center for both SEM and SIM, offering functionalities like log collection, normalization, correlation, and reporting as a contiguous whole rather than separate capabilities. SIEM platforms now commonly leverage machine learning and [artificial intelligence](https://www.paloaltonetworks.com/cyberpedia/artificial-intelligence-ai?ts=markdown) to enhance detection capabilities, allowing for more accurate identification of threats amidst vast volumes of data. ## Security Event Management (SEM) FAQs ### Is SEM the same as or different than log management? Compiling and analyzing logs are important steps in the management events for IT security, but the actual process of managing log files is a discipline with deep roots in information technology best practices. Log management aggregates logs from different sources, organizing them in a centralized location. It typically involves tasks like retention, archival, and basic search and security functionalities--event management being one of them. Log management systems are a repository where security analysts can access and analyze logs as needed. Still, they may not generally provide automated security analysis or real-time threat detection. ### What would be the primary responsibilities of a security event management administrator? Security event management administrators are responsible for ensuring the effectiveness of an organization's security posture. In a security operations center (SOC), the SEM administrator would be a key user of the SIEM or SOAR (security orchestration automation and response) platform. Their responsibilities include implementing and maintaining SEM tools, configuration and optimization, and monitoring and analysis. Ultimately, the SEM administrator would oversee incident response and remediation processes involving investigation, threat containment, and implementing measures to prevent similar incidents. ### What were some of the earliest commercial SEM applications, and how have they evolved? One of the pioneering commercial SEM applications was ArcSight ESM (Enterprise Security Manager), developed by ArcSight, which gained prominence in the early 2000s. ArcSight ESM was also one of the first comprehensive SIEM solutions available. Such standalone offerings have been eclipsed in the marketplace by more advanced offerings such as Cortex XSIAM from Palo Alto Networks. They are incorporating out-of-the-box AI models, and advanced solutions such as Cortex XSIAM go far beyond traditional SEM detection methods, connecting events across various data sources to accurately detect and stop threats at scale. In this way, it becomes possible to automate security tasks to reduce manual work and accelerate incident response and remediation before analysts even look at incidents. Related Content [What are SIEM Tools Understand SIEM tools and how they work](https://www.paloaltonetworks.com/cyberpedia/what-are-siem-tools?ts=markdown) [Freight company reduces incident resolution to ~1 hour with Cortex XSIAM The security team at a North American freight company was using a series of point solutions that bogged down investigations with a high degree of manual labor.The company deployed ...](https://www.paloaltonetworks.sg/customers/freight-company-reduces-incident-resolution-to-an-hour-with-cortex-xsiam) [XSIAM Solution Brief Learn how Cortex XSIAM harnesses the power of machine intelligence and automation to radically improve security outcomes and transform the manual SecOps model.](https://www.paloaltonetworks.com/resources/techbriefs/cortex-xsiam?ts=markdown) [Data Visibility and Classification Many organizations don't have enough visibility of critical data types such as personal identifiable information. This becomes problematic when facing audits and prioritizing data ...](https://www.paloaltonetworks.com/prisma/cloud/cloud-data-security?ts=markdown) ![Share page on facebook](https://www.paloaltonetworks.com/etc/clientlibs/clean/imgs/resources/facebook-circular-icon.svg) ![Share page on linkedin](https://www.paloaltonetworks.com/etc/clientlibs/clean/imgs/resources/linkedin-circular-icon.svg) [![Share page by an email](https://www.paloaltonetworks.com/etc/clientlibs/clean/imgs/resources/email-circular-icon.svg)](mailto:?subject=What%20Is%20Security%20Event%20Management%20%28SEM%29%3F&body=Learn%20the%20basics%20of%20security%20event%20management%20%28SEM%29%2C%20and%20how%20it%20it%20is%20a%20key%20building%20block%20for%2C%20yet%20distinct%20from%2C%20security%20information%20and%20event%20management.%20at%20https%3A//www.paloaltonetworks.com/cyberpedia/what-is-security-event-management-sem) Back to Top [Previous](https://www.paloaltonetworks.com/cyberpedia/what-is-siem-logging?ts=markdown) What is SIEM Logging? [Next](https://www.paloaltonetworks.com/cyberpedia/siem-solutions-in-soc?ts=markdown) What is a SIEM Solution in a SOC? {#footer} ## Products and Services * [AI-Powered Network Security Platform](https://www.paloaltonetworks.com/network-security?ts=markdown) * [Secure AI by Design](https://www.paloaltonetworks.com/precision-ai-security/secure-ai-by-design?ts=markdown) * [Prisma AIRS](https://www.paloaltonetworks.com/prisma/prisma-ai-runtime-security?ts=markdown) * [AI Access Security](https://www.paloaltonetworks.com/sase/ai-access-security?ts=markdown) * [Cloud Delivered Security Services](https://www.paloaltonetworks.com/network-security/security-subscriptions?ts=markdown) * [Advanced Threat Prevention](https://www.paloaltonetworks.com/network-security/advanced-threat-prevention?ts=markdown) * [Advanced URL Filtering](https://www.paloaltonetworks.com/network-security/advanced-url-filtering?ts=markdown) * [Advanced WildFire](https://www.paloaltonetworks.com/network-security/advanced-wildfire?ts=markdown) * [Advanced DNS Security](https://www.paloaltonetworks.com/network-security/advanced-dns-security?ts=markdown) * [Enterprise Data Loss Prevention](https://www.paloaltonetworks.com/sase/enterprise-data-loss-prevention?ts=markdown) * [Enterprise IoT Security](https://www.paloaltonetworks.com/network-security/enterprise-device-security?ts=markdown) * [Medical IoT Security](https://www.paloaltonetworks.com/network-security/medical-device-security?ts=markdown) * [Industrial OT Security](https://www.paloaltonetworks.com/network-security/medical-device-security?ts=markdown) * [SaaS Security](https://www.paloaltonetworks.com/sase/saas-security?ts=markdown) * [Next-Generation Firewalls](https://www.paloaltonetworks.com/network-security/next-generation-firewall?ts=markdown) * [Hardware Firewalls](https://www.paloaltonetworks.com/network-security/hardware-firewall-innovations?ts=markdown) * [Software Firewalls](https://www.paloaltonetworks.com/network-security/software-firewalls?ts=markdown) * [Strata Cloud Manager](https://www.paloaltonetworks.com/network-security/strata-cloud-manager?ts=markdown) * [SD-WAN for NGFW](https://www.paloaltonetworks.com/network-security/sd-wan-subscription?ts=markdown) * [PAN-OS](https://www.paloaltonetworks.com/network-security/pan-os?ts=markdown) * [Panorama](https://www.paloaltonetworks.com/network-security/panorama?ts=markdown) * [Secure Access Service Edge](https://www.paloaltonetworks.com/sase?ts=markdown) * [Prisma SASE](https://www.paloaltonetworks.com/sase?ts=markdown) * [Application Acceleration](https://www.paloaltonetworks.com/sase/app-acceleration?ts=markdown) * [Autonomous Digital Experience Management](https://www.paloaltonetworks.com/sase/adem?ts=markdown) * [Enterprise DLP](https://www.paloaltonetworks.com/sase/enterprise-data-loss-prevention?ts=markdown) * [Prisma Access](https://www.paloaltonetworks.com/sase/access?ts=markdown) * [Prisma Browser](https://www.paloaltonetworks.com/sase/prisma-browser?ts=markdown) * [Prisma SD-WAN](https://www.paloaltonetworks.com/sase/sd-wan?ts=markdown) * [Remote Browser Isolation](https://www.paloaltonetworks.com/sase/remote-browser-isolation?ts=markdown) * [SaaS Security](https://www.paloaltonetworks.com/sase/saas-security?ts=markdown) * [AI-Driven Security Operations Platform](https://www.paloaltonetworks.com/cortex?ts=markdown) * [Cloud Security](https://www.paloaltonetworks.com/cortex/cloud?ts=markdown) * [Cortex Cloud](https://www.paloaltonetworks.com/cortex/cloud?ts=markdown) * [Application Security](https://www.paloaltonetworks.com/cortex/cloud/application-security?ts=markdown) * [Cloud Posture Security](https://www.paloaltonetworks.com/cortex/cloud/cloud-posture-security?ts=markdown) * [Cloud Runtime Security](https://www.paloaltonetworks.com/cortex/cloud/runtime-security?ts=markdown) * [Prisma Cloud](https://www.paloaltonetworks.com/prisma/cloud?ts=markdown) * [AI-Driven SOC](https://www.paloaltonetworks.com/cortex?ts=markdown) * [Cortex XSIAM](https://www.paloaltonetworks.com/cortex/cortex-xsiam?ts=markdown) * [Cortex XDR](https://www.paloaltonetworks.com/cortex/cortex-xdr?ts=markdown) * [Cortex XSOAR](https://www.paloaltonetworks.com/cortex/cortex-xsoar?ts=markdown) * [Cortex Xpanse](https://www.paloaltonetworks.com/cortex/cortex-xpanse?ts=markdown) * [Unit 42 Managed Detection \& Response](https://www.paloaltonetworks.com/cortex/managed-detection-and-response?ts=markdown) * [Managed XSIAM](https://www.paloaltonetworks.com/cortex/managed-xsiam?ts=markdown) * [Threat Intel and Incident Response Services](https://www.paloaltonetworks.com/unit42?ts=markdown) * [Proactive Assessments](https://www.paloaltonetworks.com/unit42/assess?ts=markdown) * [Incident Response](https://www.paloaltonetworks.com/unit42/respond?ts=markdown) * [Transform Your Security Strategy](https://www.paloaltonetworks.com/unit42/transform?ts=markdown) * [Discover Threat Intelligence](https://www.paloaltonetworks.com/unit42/threat-intelligence-partners?ts=markdown) ## Company * [About Us](https://www.paloaltonetworks.com/about-us?ts=markdown) * [Careers](https://jobs.paloaltonetworks.com/en/) * [Contact Us](https://www.paloaltonetworks.com/company/contact-sales?ts=markdown) * [Corporate Responsibility](https://www.paloaltonetworks.com/about-us/corporate-responsibility?ts=markdown) * [Customers](https://www.paloaltonetworks.com/customers?ts=markdown) * [Investor Relations](https://investors.paloaltonetworks.com/) * [Location](https://www.paloaltonetworks.com/about-us/locations?ts=markdown) * [Newsroom](https://www.paloaltonetworks.com/company/newsroom?ts=markdown) ## Popular Links * [Blog](https://www.paloaltonetworks.com/blog/?ts=markdown) * [Communities](https://www.paloaltonetworks.com/communities?ts=markdown) * [Content Library](https://www.paloaltonetworks.com/resources?ts=markdown) * [Cyberpedia](https://www.paloaltonetworks.com/cyberpedia?ts=markdown) * [Event Center](https://events.paloaltonetworks.com/) * [Manage Email Preferences](https://start.paloaltonetworks.com/preference-center) * [Products A-Z](https://www.paloaltonetworks.com/products/products-a-z?ts=markdown) * [Product Certifications](https://www.paloaltonetworks.com/legal-notices/trust-center/compliance?ts=markdown) * [Report a Vulnerability](https://www.paloaltonetworks.com/security-disclosure?ts=markdown) * [Sitemap](https://www.paloaltonetworks.com/sitemap?ts=markdown) * [Tech Docs](https://docs.paloaltonetworks.com/) * [Unit 42](https://unit42.paloaltonetworks.com/) * [Do Not Sell or Share My Personal Information](https://panwedd.exterro.net/portal/dsar.htm?target=panwedd) ![PAN logo](https://www.paloaltonetworks.com/etc/clientlibs/clean/imgs/pan-logo-dark.svg) * [Privacy](https://www.paloaltonetworks.com/legal-notices/privacy?ts=markdown) * [Trust Center](https://www.paloaltonetworks.com/legal-notices/trust-center?ts=markdown) * [Terms of Use](https://www.paloaltonetworks.com/legal-notices/terms-of-use?ts=markdown) * [Documents](https://www.paloaltonetworks.com/legal?ts=markdown) Copyright © 2025 Palo Alto Networks. All Rights Reserved * [![Youtube](https://www.paloaltonetworks.com/etc/clientlibs/clean/imgs/social/youtube-black.svg)](https://www.youtube.com/user/paloaltonetworks) * [![Podcast](https://www.paloaltonetworks.com/content/dam/pan/en_US/images/icons/podcast.svg)](https://www.paloaltonetworks.com/podcasts/threat-vector?ts=markdown) * [![Facebook](https://www.paloaltonetworks.com/etc/clientlibs/clean/imgs/social/facebook-black.svg)](https://www.facebook.com/PaloAltoNetworks/) * [![LinkedIn](https://www.paloaltonetworks.com/etc/clientlibs/clean/imgs/social/linkedin-black.svg)](https://www.linkedin.com/company/palo-alto-networks) * [![Twitter](https://www.paloaltonetworks.com/etc/clientlibs/clean/imgs/social/twitter-x-black.svg)](https://twitter.com/PaloAltoNtwks) * EN Select your language