John is a Senior Security Engineer, Exploit Developer, where he focuses on reverse engineering emerging threats and developing advanced capabilities to protect our customers' attack surfaces. Prior to joining Bishop Fox, John served in a number of selectively manned US Air Force teams, and is a graduate of the NSA's Computer Network Operations Development Program (CNODP).
May 22, 2026
Detecting CVE-2026-0265 at Scale: PAN-OS CAS Authentication Bypass
Apr 07, 2026
API Authentication Bypass in FortiClient EMS 7.4.5-7.4.6–CVE-2026-35616
Mar 09, 2026
Pre-Authentication SQL Injection in FortiClient EMS 7.4.4 - CVE-2026-21643
Nov 19, 2025
Fortinet FortiWeb Authentication Bypass – CVE-2025-64446
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