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[Cyberpedia](https://www.paloaltonetworks.com/cyberpedia?ts=markdown) 2. [Threats](https://www.paloaltonetworks.com/cyberpedia/threat?ts=markdown) 3. [Ransomware](https://www.paloaltonetworks.com/cyberpedia/what-is-ransomware?ts=markdown) 4. [What is Ransomware Prevention?](https://www.paloaltonetworks.com/cyberpedia/ransomware-prevention-what-your-security-architecture-must-do?ts=markdown) Table of contents * [What Is Ransomware?](https://www.paloaltonetworks.com/cyberpedia/what-is-ransomware?ts=markdown) * [Ransomware Key Takeaways](https://www.paloaltonetworks.com/cyberpedia/what-is-ransomware#ransomware?ts=markdown) * [Why Ransomware Matters](https://www.paloaltonetworks.com/cyberpedia/what-is-ransomware#why?ts=markdown) * [Stages of a Ransomware Attack](https://www.paloaltonetworks.com/cyberpedia/what-is-ransomware#stages?ts=markdown) * [How Ransomware Uses Psychological Pressure](https://www.paloaltonetworks.com/cyberpedia/what-is-ransomware#how?ts=markdown) * [Types of Ransomware](https://www.paloaltonetworks.com/cyberpedia/what-is-ransomware#types?ts=markdown) * [Example Ransomware Strains](https://www.paloaltonetworks.com/cyberpedia/what-is-ransomware#example?ts=markdown) * [Role of Human Behavior in Cybersecurity](https://www.paloaltonetworks.com/cyberpedia/what-is-ransomware#role?ts=markdown) * [Ransom Payment and Prevention](https://www.paloaltonetworks.com/cyberpedia/what-is-ransomware#prevention?ts=markdown) * [Creating and Testing an Incident Response Plan](https://www.paloaltonetworks.com/cyberpedia/what-is-ransomware#creating?ts=markdown) * [Understanding if You Have a Ransomware Infection](https://www.paloaltonetworks.com/cyberpedia/what-is-ransomware#infection?ts=markdown) * [Difference Between Malware and Ransomware](https://www.paloaltonetworks.com/cyberpedia/what-is-ransomware#difference?ts=markdown) * [What is Multi-Extortion Ransomware?](https://www.paloaltonetworks.com/cyberpedia/what-is-ransomware#what?ts=markdown) * [Why Ransomware Is Illegal](https://www.paloaltonetworks.com/cyberpedia/what-is-ransomware#illegal?ts=markdown) * [Recovery from Ransomware Attacks](https://www.paloaltonetworks.com/cyberpedia/what-is-ransomware#recovery?ts=markdown) * [Is Ransomware Still a Threat?](https://www.paloaltonetworks.com/cyberpedia/what-is-ransomware#threat?ts=markdown) * [Future-Proofing Against Ransomware](https://www.paloaltonetworks.com/cyberpedia/what-is-ransomware#future?ts=markdown) * [Ransomware FAQs](https://www.paloaltonetworks.com/cyberpedia/what-is-ransomware#faqs?ts=markdown) * [What Are the Most Common Types of Ransomware?](https://www.paloaltonetworks.com/cyberpedia/what-are-the-most-common-types-of-ransomware?ts=markdown) * [Ransomware Types and How They Work](https://www.paloaltonetworks.com/cyberpedia/what-are-the-most-common-types-of-ransomware#ransomware?ts=markdown) * [How to Prevent Ransomware Attacks](https://www.paloaltonetworks.com/cyberpedia/what-are-the-most-common-types-of-ransomware#how?ts=markdown) * [The Evolution of Ransomware Attacks](https://www.paloaltonetworks.com/cyberpedia/what-are-the-most-common-types-of-ransomware#attacks?ts=markdown) * [Notable Ransomware Families](https://www.paloaltonetworks.com/cyberpedia/what-are-the-most-common-types-of-ransomware#notable?ts=markdown) * [The Emergence of Ransomware Groups](https://www.paloaltonetworks.com/cyberpedia/what-are-the-most-common-types-of-ransomware#groups?ts=markdown) * [How Nation-State Actors Have Embraced Ransomware](https://www.paloaltonetworks.com/cyberpedia/what-are-the-most-common-types-of-ransomware#actors?ts=markdown) * [Types of Ransomware FAQs](https://www.paloaltonetworks.com/cyberpedia/what-are-the-most-common-types-of-ransomware#faqs?ts=markdown) * [What is Ransomware Response and Recovery?](https://www.paloaltonetworks.com/cyberpedia/ransomware-response-and-recovery?ts=markdown) * [How to Respond to a Ransomware Attack](https://www.paloaltonetworks.com/cyberpedia/ransomware-response-and-recovery#how?ts=markdown) * [How Do Ransomware Attacks Begin?](https://www.paloaltonetworks.com/cyberpedia/ransomware-response-and-recovery#do?ts=markdown) * [Reducing Dwell Time](https://www.paloaltonetworks.com/cyberpedia/ransomware-response-and-recovery#reducing?ts=markdown) * [Common Threat Actor Techniques](https://www.paloaltonetworks.com/cyberpedia/ransomware-response-and-recovery#common?ts=markdown) * [Data Theft and Multi-extortion Ransomware](https://www.paloaltonetworks.com/cyberpedia/ransomware-response-and-recovery#what?ts=markdown) * [How to Uninstall Ransomware and Retrieve Data](https://www.paloaltonetworks.com/cyberpedia/ransomware-response-and-recovery#uninstall?ts=markdown) * [Steps to Recovery After a Ransomware Attack](https://www.paloaltonetworks.com/cyberpedia/ransomware-response-and-recovery#steps?ts=markdown) * [® Incident Response Methodology](https://www.paloaltonetworks.com/cyberpedia/ransomware-response-and-recovery#unit42?ts=markdown) * [Ransomware Removal and Recovery FAQs](https://www.paloaltonetworks.com/cyberpedia/ransomware-response-and-recovery#faqs?ts=markdown) * [What are Ransomware Attacks?](https://www.paloaltonetworks.com/cyberpedia/ransomware-common-attack-methods?ts=markdown) * [How Do Ransomware Attacks Happen?](https://www.paloaltonetworks.com/cyberpedia/ransomware-common-attack-methods#how?ts=markdown) * [What Are the 5 Main Ransomware Attack Vectors?](https://www.paloaltonetworks.com/cyberpedia/ransomware-common-attack-methods#what?ts=markdown) * [How to Protect Against Ransomware Attacks](https://www.paloaltonetworks.com/cyberpedia/ransomware-common-attack-methods#protect?ts=markdown) * [How to Assess Your Ransomware Readiness](https://www.paloaltonetworks.com/cyberpedia/ransomware-common-attack-methods#readiness?ts=markdown) * [Ransomware Attacks FAQs](https://www.paloaltonetworks.com/cyberpedia/ransomware-common-attack-methods#faqs?ts=markdown) * What is Ransomware Prevention? * [Step 1: Reduce the Attack Surface](https://www.paloaltonetworks.com/cyberpedia/ransomware-prevention-what-your-security-architecture-must-do#step1?ts=markdown) * [Step 2: Prevent Known Threats](https://www.paloaltonetworks.com/cyberpedia/ransomware-prevention-what-your-security-architecture-must-do#step2?ts=markdown) * [Step 3: Identify and Prevent Unknown Threats](https://www.paloaltonetworks.com/cyberpedia/ransomware-prevention-what-your-security-architecture-must-do#step3?ts=markdown) # What is Ransomware Prevention? 2 min. read Table of contents * * [Step 1: Reduce the Attack Surface](https://www.paloaltonetworks.com/cyberpedia/ransomware-prevention-what-your-security-architecture-must-do#step1?ts=markdown) * [Step 2: Prevent Known Threats](https://www.paloaltonetworks.com/cyberpedia/ransomware-prevention-what-your-security-architecture-must-do#step2?ts=markdown) * [Step 3: Identify and Prevent Unknown Threats](https://www.paloaltonetworks.com/cyberpedia/ransomware-prevention-what-your-security-architecture-must-do#step3?ts=markdown) 1. Step 1: Reduce the Attack Surface * * [Step 1: Reduce the Attack Surface](https://www.paloaltonetworks.com/cyberpedia/ransomware-prevention-what-your-security-architecture-must-do#step1?ts=markdown) * [Step 2: Prevent Known Threats](https://www.paloaltonetworks.com/cyberpedia/ransomware-prevention-what-your-security-architecture-must-do#step2?ts=markdown) * [Step 3: Identify and Prevent Unknown Threats](https://www.paloaltonetworks.com/cyberpedia/ransomware-prevention-what-your-security-architecture-must-do#step3?ts=markdown) **[Ransomware](https://www.paloaltonetworks.com/cyberpedia/what-is-ransomware)** can bring your business operations to a halt, ­encrypting sensitive data and forcing you to pay the attacker to regain access. Keeping your organization safe requires a fundamental shift toward ­prevention, and away from simple detection and remediation ­after infection. The right architecture can make prevention real. You can use this checklist to implement a true prevention-based platform. **Related Video** Ransomware (Part 1) ## Step 1: Reduce the Attack Surface * **Gain full visibility and block unknown traffic.** Identify all traffic on the network and block unknown, potentially high-risk traffic. * **Enforce application- and user-based controls.** Restrict access to SaaS-based tools for employees who have no business need for them. * **Block all dangerous file types.** Not all file types are malicious, but those known to present higher risk, or associated with recent attacks, can be controlled. * **Implement an endpoint policy aligned to risk.** Enforce policies that restrict noncompliant endpoints from connecting to critical network resources. ## Step 2: Prevent Known Threats * **Stop known exploits, malware, and command-and-control traffic.** Blocking known threats raises the cost of an attack and ultimately reduces the likelihood of an attacker attempting a breach. * **Block access to malicious and phishing URLs.** Prevent users from inadvertently downloading a payload or having their credentials stolen by blocking known malicious and phishing URLs. * **Scan for known malware on SaaS-based applications.** SaaS-based applications represent a new path for malware delivery and must be properly secured. * **Block known malware and exploits on the endpoint.** Endpoints are common targets for attacks. Ensure you are keeping your endpoints secure by blocking any known malware or exploits. ## Step 3: Identify and Prevent Unknown Threats * **Detect and analyze unknown threats in files and URLs.** As new files are submitted, detonate, analyze and look for malicious behavior. * **Update protections across the organization to prevent previously** **unknown threats.** Automatically push protections to different parts of your organization's security infrastructure. * **Add context to threats, and create proactive protections and mitigation.** Developing protections requires context to better understand the attacker, malware and indicators of compromise. * **Block unknown malware and exploits on the endpoint.** Once unknown threats or trends of suspicious behavior have been identified and blocked, block unknown malware and exploits on the endpoint. ![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%20Ransomware%20Prevention%3F&body=Ransomware%20brings%20operations%20to%20a%20halt%20%E2%80%93%20encrypting%20data%20and%20requiring%20payment%20to%20regain%20access.%20Architecture%20can%20make%20ransomware%20prevention%20real.%20at%20https%3A//www.paloaltonetworks.com/cyberpedia/ransomware-prevention-what-your-security-architecture-must-do) Back to Top [Previous](https://www.paloaltonetworks.com/cyberpedia/ransomware-common-attack-methods?ts=markdown) What are Ransomware Attacks? {#footer} ## 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