Get to know # John Harrison *** ** * ** *** Blogs by John Harrison Sort By: Recent Recent Popular *** ** * ** *** [![Unit 42 Recognized by Microsoft on the MSRC Security Researcher Leaderboard](https://www.paloaltonetworks.com.au/blog/wp-content/uploads/2020/03/IMG_2009.jpg)](https://www.paloaltonetworks.com.au/blog/2020/05/unit-42-security-researcher-leaderboard/) ## [Secure the Enterprise](https://www.paloaltonetworks.com/blog/category/secure-the-enterprise/?ts=markdown) ### [Unit 42 Recognized by Microsoft on the MSRC Security Researcher Leaderboard](https://www.paloaltonetworks.com.au/blog/2020/05/unit-42-security-researcher-leaderboard/) Microsoft recognized Zhibin Zhang on the MSRC Security Researcher Leaderboard for Q1 2020 for significant vulnerability research and CVE generation. May 05, 2020 By [John Harrison](https://www.paloaltonetworks.com/blog/author/john-harrison/?ts=markdown "Posts by John Harrison") *** ** * ** *** [![SSL/TLS Decryption Can Help with GDPR Compliance](https://www.paloaltonetworks.com.au/blog/wp-content/uploads/2019/10/SSL-Decryption-image-option-1.jpg)](https://www.paloaltonetworks.com.au/blog/2019/10/network-ssl-decryption-and-gdpr/) ## [Next-Generation Firewalls](https://www.paloaltonetworks.com/blog/network-security/category/next-generation-firewalls/?ts=markdown), [Secure the Enterprise](https://www.paloaltonetworks.com/blog/category/secure-the-enterprise/?ts=markdown) ### [SSL/TLS Decryption Can Help with GDPR Compliance](https://www.paloaltonetworks.com.au/blog/2019/10/network-ssl-decryption-and-gdpr/) SSL decryption can be a valuable tool for protecting data in compliance with the European Union's GDPR, when applied according to best practices. Oct 18, 2019 By [Fred Streefland](https://www.paloaltonetworks.com/blog/author/fred-streefland/?ts=markdown "Posts by Fred Streefland") and [John Harrison](https://www.paloaltonetworks.com/blog/author/john-harrison/?ts=markdown "Posts by John Harrison") *** ** * ** *** [![Unit 42 Named Top Zero-Day Vulnerability Contributor by Microsoft](https://www.paloaltonetworks.com.au/blog/wp-content/uploads/2019/08/Picture-1.png)](https://www.paloaltonetworks.com.au/blog/2019/08/unit-42-named-top-zero-day-vulnerability-contributor-microsoft/) ## [Secure the Enterprise](https://www.paloaltonetworks.com/blog/category/secure-the-enterprise/?ts=markdown) ### [Unit 42 Named Top Zero-Day Vulnerability Contributor by Microsoft](https://www.paloaltonetworks.com.au/blog/2019/08/unit-42-named-top-zero-day-vulnerability-contributor-microsoft/) Palo Alto Networks is proud that Microsoft has recognized our Unit 42 global threat intelligence team with multiple awards for its contributions to vulnerability research, including first place for discovery of Zero Day vulnerabilities. Microsoft also recognized Unit 42 researchers Gal De Leon and Bar Lahav in its annual list of the Most Valuable Security Researchers. Aug 16, 2019 By [John Harrison](https://www.paloaltonetworks.com/blog/author/john-harrison/?ts=markdown "Posts by John Harrison") *** ** * ** *** [![Detecting Malicious Campaigns with Machine Learning](https://www.paloaltonetworks.com.au/blog/wp-content/uploads/2018/04/unit42-blog-600x300.jpg)](https://www.paloaltonetworks.com.au/blog/2018/10/unit42-detecting-malicious-campaigns-machine-learning/) ## [Unit 42](https://www.paloaltonetworks.com/blog/category/unit42/?ts=markdown) ### [Detecting Malicious Campaigns with Machine Learning](https://www.paloaltonetworks.com.au/blog/2018/10/unit42-detecting-malicious-campaigns-machine-learning/) Unit 42 examines how using machine learning-based techniques can discover new threats and block them before they can affect our customers. Oct 12, 2018 By [Michael Weber](https://www.paloaltonetworks.com/blog/author/michael-weber/?ts=markdown "Posts by Michael Weber"), [Jiangtao Yin](https://www.paloaltonetworks.com/blog/author/jiangtao-yin/?ts=markdown "Posts by Jiangtao Yin"), [Jun Wang](https://www.paloaltonetworks.com/blog/author/jun-j-wang/?ts=markdown "Posts by Jun Wang"), [Yuchen Zhou](https://www.paloaltonetworks.com/blog/author/yuchen-zhou/?ts=markdown "Posts by Yuchen Zhou"), [Wei Xu](https://www.paloaltonetworks.com/blog/author/wei-xu/?ts=markdown "Posts by Wei Xu") and [John Harrison](https://www.paloaltonetworks.com/blog/author/john-harrison/?ts=markdown "Posts by John Harrison") *** ** * ** *** [](https://www.paloaltonetworks.com.au/blog/2014/07/palo-alto-networks-offers-threat-mitigation-havex-dragonfly-variants/) ## [Cybersecurity](https://www.paloaltonetworks.com/blog/category/cybersecurity-2/?ts=markdown), [Malware](https://www.paloaltonetworks.com/blog/category/malware-2/?ts=markdown), [SCADA \& ICS](https://www.paloaltonetworks.com/blog/category/scada-ics/?ts=markdown), [Threat Advisories - Advisories](https://www.paloaltonetworks.com/blog/category/threat-advisories-advisories/?ts=markdown), [Threat Prevention](https://www.paloaltonetworks.com/blog/category/threat-prevention-2/?ts=markdown) ### [Palo Alto Networks Offers Threat Mitigation for Havex, DragonFly and Varian...](https://www.paloaltonetworks.com.au/blog/2014/07/palo-alto-networks-offers-threat-mitigation-havex-dragonfly-variants/) Over the past 10 days we've seen a lot of attention on Havex malware and its variants, which target industrial control system (ICS) and SCADA users. F-Secure, Crowdstrike and Symantec were among ... Jul 10, 2014 By [John Harrison](https://www.paloaltonetworks.com/blog/author/john-harrison/?ts=markdown "Posts by John Harrison") *** ** * ** *** Load more *** ** * ** *** Blogs by John Harrison Sort By: Popular Popular Recent *** ** * ** *** [![SSL/TLS Decryption Can Help with GDPR Compliance](https://www.paloaltonetworks.com.au/blog/wp-content/uploads/2019/10/SSL-Decryption-image-option-1.jpg)](https://www.paloaltonetworks.com.au/blog/2019/10/network-ssl-decryption-and-gdpr/) ## [Next-Generation Firewalls](https://www.paloaltonetworks.com/blog/network-security/category/next-generation-firewalls/?ts=markdown), [Secure the Enterprise](https://www.paloaltonetworks.com/blog/category/secure-the-enterprise/?ts=markdown) ### [SSL/TLS Decryption Can Help with GDPR Compliance](https://www.paloaltonetworks.com.au/blog/2019/10/network-ssl-decryption-and-gdpr/) SSL decryption can be a valuable tool for protecting data in compliance with the European Union's GDPR, when applied according to best practices. Oct 18, 2019 By [Fred Streefland](https://www.paloaltonetworks.com/blog/author/fred-streefland/?ts=markdown "Posts by Fred Streefland") and [John Harrison](https://www.paloaltonetworks.com/blog/author/john-harrison/?ts=markdown "Posts by John Harrison") *** ** * ** *** [](https://www.paloaltonetworks.com.au/blog/2013/11/coverage-information-microsoft-security-advisory-2896666-microsoft-graphics-component-vulnerability/) ## [Threat Advisories - Advisories](https://www.paloaltonetworks.com/blog/category/threat-advisories-advisories/?ts=markdown) ### [Coverage Information for Microsoft Security Advisory (2896666), Microsoft G...](https://www.paloaltonetworks.com.au/blog/2013/11/coverage-information-microsoft-security-advisory-2896666-microsoft-graphics-component-vulnerability/) On Tuesday, November 5, 2013, Microsoft issued a Security Advisory for a graphics vulnerability exploited through Office and Word documents in multiple versions of Microsoft Office, ("Vulnerability in Microsoft Graphics Component Could ... Nov 11, 2013 By [John Harrison](https://www.paloaltonetworks.com/blog/author/john-harrison/?ts=markdown "Posts by John Harrison") *** ** * ** *** [](https://www.paloaltonetworks.com.au/blog/2014/07/palo-alto-networks-offers-threat-mitigation-havex-dragonfly-variants/) ## [Cybersecurity](https://www.paloaltonetworks.com/blog/category/cybersecurity-2/?ts=markdown), [Malware](https://www.paloaltonetworks.com/blog/category/malware-2/?ts=markdown), [SCADA \& ICS](https://www.paloaltonetworks.com/blog/category/scada-ics/?ts=markdown), [Threat Advisories - Advisories](https://www.paloaltonetworks.com/blog/category/threat-advisories-advisories/?ts=markdown), [Threat Prevention](https://www.paloaltonetworks.com/blog/category/threat-prevention-2/?ts=markdown) ### [Palo Alto Networks Offers Threat Mitigation for Havex, DragonFly and Varian...](https://www.paloaltonetworks.com.au/blog/2014/07/palo-alto-networks-offers-threat-mitigation-havex-dragonfly-variants/) Over the past 10 days we've seen a lot of attention on Havex malware and its variants, which target industrial control system (ICS) and SCADA users. F-Secure, Crowdstrike and Symantec were among ... Jul 10, 2014 By [John Harrison](https://www.paloaltonetworks.com/blog/author/john-harrison/?ts=markdown "Posts by John Harrison") *** ** * ** *** [![Unit 42 Recognized by Microsoft on the MSRC Security Researcher Leaderboard](https://www.paloaltonetworks.com.au/blog/wp-content/uploads/2020/03/IMG_2009.jpg)](https://www.paloaltonetworks.com.au/blog/2020/05/unit-42-security-researcher-leaderboard/) ## [Secure the Enterprise](https://www.paloaltonetworks.com/blog/category/secure-the-enterprise/?ts=markdown) ### [Unit 42 Recognized by Microsoft on the MSRC Security Researcher Leaderboard](https://www.paloaltonetworks.com.au/blog/2020/05/unit-42-security-researcher-leaderboard/) Microsoft recognized Zhibin Zhang on the MSRC Security Researcher Leaderboard for Q1 2020 for significant vulnerability research and CVE generation. May 05, 2020 By [John Harrison](https://www.paloaltonetworks.com/blog/author/john-harrison/?ts=markdown "Posts by John Harrison") *** ** * ** *** [![Unit 42 Named Top Zero-Day Vulnerability Contributor by Microsoft](https://www.paloaltonetworks.com.au/blog/wp-content/uploads/2019/08/Picture-1.png)](https://www.paloaltonetworks.com.au/blog/2019/08/unit-42-named-top-zero-day-vulnerability-contributor-microsoft/) ## [Secure the Enterprise](https://www.paloaltonetworks.com/blog/category/secure-the-enterprise/?ts=markdown) ### [Unit 42 Named Top Zero-Day Vulnerability Contributor by Microsoft](https://www.paloaltonetworks.com.au/blog/2019/08/unit-42-named-top-zero-day-vulnerability-contributor-microsoft/) Palo Alto Networks is proud that Microsoft has recognized our Unit 42 global threat intelligence team with multiple awards for its contributions to vulnerability research, including first place for discovery of Zero Day vulnerabilities. Microsoft also recognized Unit 42 researchers Gal De Leon and Bar Lahav in its annual list of the Most Valuable Security Researchers. Aug 16, 2019 By [John Harrison](https://www.paloaltonetworks.com/blog/author/john-harrison/?ts=markdown "Posts by John Harrison") *** ** * ** *** Load more {#footer} {#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 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