
Ryan Westman
Ryan Westman is a Senior Manager of Threat Research at Sophos. With over a decade of experience in cybersecurity and national security, Ryan specializes in threat intelligence and operations. He has led high-performing teams across government, Big Four consulting, and the MDR space.
Ryan has provided expert commentary to leading media outlets and spoken at major national and international conferences, including DEFCON, RMISC, Sleuthcon, ILTACon, and Evanta CISO events. He holds multiple degrees and industry certifications (GCTI, GCFA, GSLC) and is passionate about protecting organizations from foreign and domestic cyber threats.
Content by Ryan Westman

AI Research
AI
Agentic AI
A double-edged bleeding edge: Classifying AI threats
June 30, 2026

Sophos SecOps
Mythos
AI
bug bounty
Bug bounties in the Mythos era
June 11, 2026

Security Operations
CISO
playbook
toolkit
passkeys
Strengthening authentication with passkeys: A CISO playbook
April 22, 2026

Threat Research
Featured
vulnerability
react2shell
React2Shell flaw (CVE-2025-55182) exploited for remote code execution
December 11, 2025

Security Operations
CISO
Featured
North Korea
playbook
toolkit
Detecting fraudulent North Korean hires: A CISO playbook
November 5, 2025