* [Blog](https://www.paloaltonetworks.com/blog) * [Palo Alto Networks](https://www.paloaltonetworks.com/blog/corporate) * CryptoLocker # Palo Alto Networks ## CryptoLocker [![Customer Spotlight: Delta Holding Prevents Ransomware by Upgrading Security Posture](https://www.paloaltonetworks.com/blog/wp-content/uploads/2016/10/CustomerReferenceGraphicsTwitter-12.jpg)](https://www.paloaltonetworks.com/blog/2016/10/customer-spotlight-delta-holding-prevents-ransomware-upgrading-security-posture/) [Customer Spotlight: Delta Holding Prevents Ransomware by Upgrading Security Posture \-----------------------------------------------------------------------------------](https://www.paloaltonetworks.com/blog/2016/10/customer-spotlight-delta-holding-prevents-ransomware-upgrading-security-posture/) Delta Holding is a Belgrade-based organization made up of three distinct companies running autonomously while under central direction from the holding company. As one of the largest businesses in Serbia, Delta Holding's subsidiaries span a variety of services including import-export, real estate, retail and wholesale. [Customer Spotlight](https://www.paloaltonetworks.com/blog/category/customer-spotlight/?ts=markdown) [Real Estate](https://www.paloaltonetworks.com/blog/category/real-estate/?ts=markdown) [Retail](https://www.paloaltonetworks.com/blog/category/retail/?ts=markdown) [Security Platform](https://www.paloaltonetworks.com/blog/category/security-platform/?ts=markdown) Oct 20, 2016 By [Leiann Bonnet](https://www.paloaltonetworks.com/blog/author/leiann-bonnet/?ts=markdown "Posts by Leiann Bonnet") ## Palo Alto Networks *** ** * ** *** [Announcements](https://www.paloaltonetworks.com/blog/category/announcement/?ts=markdown) *** ** * ** *** [Company \& Culture](https://www.paloaltonetworks.com/blog/category/company-culture/?ts=markdown) *** ** * ** *** [Points of View](https://www.paloaltonetworks.com/blog/category/points-of-view/?ts=markdown) *** ** * ** *** [Public Sector](https://www.paloaltonetworks.com/blog/category/public-sector/?ts=markdown) *** ** * ** *** [Products and Services](https://www.paloaltonetworks.com/blog/category/products-and-services/?ts=markdown) *** ** * ** *** [Partners](https://www.paloaltonetworks.com/blog/category/partners/?ts=markdown) *** ** * ** *** ![Customer Spotlight: Canadian Healthcare Company Gets to the Heart of the Matter with Innovative Cybersecurity Solution](https://www.paloaltonetworks.com/blog/wp-content/uploads/2015/10/blog-generic-banner.jpg) [Customer Spotlight](https://www.paloaltonetworks.com/blog/category/customer-spotlight/?ts=markdown), [Healthcare](https://www.paloaltonetworks.com/blog/category/healthcare/?ts=markdown) ## [Customer Spotlight: Canadian Healthcare Company Gets to the Heart of the Ma...](https://www.paloaltonetworks.com/blog/2016/08/customer-spotlight-canadian-healthcare-company-gets-to-the-heart-of-the-matter-with-innovative-cybersecurity-solution/) As with any healthcare organization, protecting patient's personal health information is top priority. CBI Health Group, one of the leading healthcare providers in Canada, depends... Aug 18, 2016 By [Rae Harrison](https://www.paloaltonetworks.com/blog/author/rharrison/?ts=markdown "Posts by Rae Harrison") [](https://www.paloaltonetworks.com/blog/2015/11/network-shared-drive-encrypted-by-cryptowall-how-to-track-down-the-infected-pc/) [Cybersecurity](https://www.paloaltonetworks.com/blog/category/cybersecurity-2/?ts=markdown), [Malware](https://www.paloaltonetworks.com/blog/category/malware-2/?ts=markdown) ## [Network Shared Drive Encrypted by CryptoWall? How to Track Down the Infecte...](https://www.paloaltonetworks.com/blog/2015/11/network-shared-drive-encrypted-by-cryptowall-how-to-track-down-the-infected-pc/) There is a lot of information on the web about preventing and recovering from CryptoWall or ransomware attacks in enterprise environments, but most don't answer this basic question... Nov 17, 2015 By [Matt Mellen](https://www.paloaltonetworks.com/blog/author/matt-mellen/?ts=markdown "Posts by Matt Mellen") [](https://www.paloaltonetworks.com/blog/2015/10/latest-teslacrypt-ransomware-borrows-code-from-carberp-trojan/) [Malware](https://www.paloaltonetworks.com/blog/category/malware-2/?ts=markdown), [Threat Prevention](https://www.paloaltonetworks.com/blog/category/threat-prevention-2/?ts=markdown), [Unit 42](https://www.paloaltonetworks.com/blog/category/unit42/?ts=markdown) ## [Latest TeslaCrypt Ransomware Borrows Code From Carberp Trojan](https://www.paloaltonetworks.com/blog/2015/10/latest-teslacrypt-ransomware-borrows-code-from-carberp-trojan/) In recent weeks, we have noticed changes in the TeslaCrypt ransomware malware family's code base. OpenDNS recently discussed some of these changes reg... Oct 09, 2015 By [Josh Grunzweig](https://www.paloaltonetworks.com/blog/author/josh-grunzweig/?ts=markdown "Posts by Josh Grunzweig") [](https://www.paloaltonetworks.com/blog/2015/09/updated-pclock-ransomware-still-comes-up-short/) [Malware](https://www.paloaltonetworks.com/blog/category/malware-2/?ts=markdown), [Threat Advisory/Analysis](https://www.paloaltonetworks.com/blog/category/threat-advisory-analysis/?ts=markdown), [Threat Prevention](https://www.paloaltonetworks.com/blog/category/threat-prevention-2/?ts=markdown), [Unit 42](https://www.paloaltonetworks.com/blog/category/unit42/?ts=markdown) ## [Updated PClock Ransomware Still Comes Up Short](https://www.paloaltonetworks.com/blog/2015/09/updated-pclock-ransomware-still-comes-up-short/) In recent years, ransomware families are often glamorized as being some of the most dangerous types of malware. They've certainly caused a wealth of damage to end users with some o... Sep 29, 2015 By [Josh Grunzweig](https://www.paloaltonetworks.com/blog/author/josh-grunzweig/?ts=markdown "Posts by Josh Grunzweig") [](https://www.paloaltonetworks.com/blog/2014/07/palo-alto-networks-news-week-july-11/) [Events](https://www.paloaltonetworks.com/blog/category/events/?ts=markdown), [News of the Week](https://www.paloaltonetworks.com/blog/category/news-of-the-week/?ts=markdown), [SCADA \& ICS](https://www.paloaltonetworks.com/blog/category/scada-ics/?ts=markdown) ## [Palo Alto Networks News of the Week -- July 11](https://www.paloaltonetworks.com/blog/2014/07/palo-alto-networks-news-week-july-11/) Here's a roundup of this week's top Palo Alto Networks news. Jul 11, 2014 By [Chad Berndtson](https://www.paloaltonetworks.com/blog/author/cberndston/?ts=markdown "Posts by Chad Berndtson") [](https://www.paloaltonetworks.com/blog/2014/07/boleto-brazilian-banking-malware-wildfire-nails/) [Cybersecurity](https://www.paloaltonetworks.com/blog/category/cybersecurity-2/?ts=markdown), [Financial Services](https://www.paloaltonetworks.com/blog/category/financial-services/?ts=markdown), [Malware](https://www.paloaltonetworks.com/blog/category/malware-2/?ts=markdown), [Threat Prevention](https://www.paloaltonetworks.com/blog/category/threat-prevention-2/?ts=markdown), [Vertical](https://www.paloaltonetworks.com/blog/category/vertical/?ts=markdown) ## [Boleto Brazilian Banking Malware: WildFire Nails It!](https://www.paloaltonetworks.com/blog/2014/07/boleto-brazilian-banking-malware-wildfire-nails/) A new family of malware has recently invaded the Boletos, the second most popular form of payment in Brazil after credit cards. Boletos essentially allow consumers to make electron... Jul 09, 2014 By [Palo Alto Networks](https://www.paloaltonetworks.com/blog/author/palo-alto-networks-staff/?ts=markdown "Posts by Palo Alto Networks") [](https://www.paloaltonetworks.com/blog/2014/07/banking-security-best-practices-zeus-cryptolocker/) [Cybersecurity](https://www.paloaltonetworks.com/blog/category/cybersecurity-2/?ts=markdown), [Financial Services](https://www.paloaltonetworks.com/blog/category/financial-services/?ts=markdown), [Malware](https://www.paloaltonetworks.com/blog/category/malware-2/?ts=markdown), [Vertical](https://www.paloaltonetworks.com/blog/category/vertical/?ts=markdown) ## [Banking Security: Best Practices for Zeus and Cryptolocker](https://www.paloaltonetworks.com/blog/2014/07/banking-security-best-practices-zeus-cryptolocker/) Over the last few weeks we had a new episode in the on-going saga between the banking system and the Zeus and Cryptolocker families of malware. The UK... Jul 07, 2014 By [Palo Alto Networks](https://www.paloaltonetworks.com/blog/author/palo-alto-networks-staff/?ts=markdown "Posts by Palo Alto Networks") [](https://www.paloaltonetworks.com/blog/2013/11/palo-alto-networks-news-week-november-22-2013/) [News of the Week](https://www.paloaltonetworks.com/blog/category/news-of-the-week/?ts=markdown) ## [Palo Alto Networks News of the Week -- November 22, 2013](https://www.paloaltonetworks.com/blog/2013/11/palo-alto-networks-news-week-november-22-2013/) Here's a recap of the most important Palo Alto Networks happenings from this past week. Don't forget to check back every Friday for the latest news! Nov 22, 2013 By [Chad Berndtson](https://www.paloaltonetworks.com/blog/author/cberndston/?ts=markdown "Posts by Chad Berndtson") [](https://www.paloaltonetworks.com/blog/2013/11/palo-alto-networks-can-stop-cryptolocker/) [Threat Prevention](https://www.paloaltonetworks.com/blog/category/threat-prevention-2/?ts=markdown) ## [How Palo Alto Networks Can Stop CryptoLocker](https://www.paloaltonetworks.com/blog/2013/11/palo-alto-networks-can-stop-cryptolocker/) The emergence of CryptoLocker in the past month means we're seeing the next iteration of ransomware. Extortion schemes involving encryption are not new, but seem to come in waves. The first ransomware known as... Nov 18, 2013 By [Matthew Ancelin](https://www.paloaltonetworks.com/blog/author/matt-ancelin/?ts=markdown "Posts by Matthew Ancelin") Load more blogs ### Subscribe to the Blog! 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