Jon Williams
Vulnerability researcher at Bishop Fox, focusing on reverse-engineering encryption and discovering vulnerabilities in major software vendors' products, such as SonicWall.
Best podcasts with Jon Williams
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Mar 29, 2025 • 22min
Breaking barriers, one byte at a time. [Research Saturday]
Jon Williams, a vulnerability researcher at Bishop Fox, sheds light on his captivating work in decrypting SonicWall's SonicOSX firmware. He discusses the intricate challenges of reverse-engineering encrypted systems and the creation of Sonicrack, a new tool for extracting keys from VMware images. The conversation also touches on the ethics of disclosing security tools publicly, emphasizing the balance between transparency and potential misuse. Williams highlights the importance of independent research in enhancing cybersecurity and shares vital recommendations for managing firmware security.
Nov 9, 2024 • 23min
A firewall wake up call. [Research Saturday]
Jon Williams, a Senior Security Engineer at Bishop Fox, reveals alarming vulnerabilities in SonicWall firewalls that affect over 178,000 devices. He delves into his research on unauthenticated denial-of-service bugs, emphasizing the critical flaws in implementation. Williams explains how 76% of scanned firewalls with open management interfaces are vulnerable and provides insights on navigating vulnerability assessments without disrupting services. This discussion underscores the urgent need for enhanced security measures to protect against potential exploits.
