In this episode of The BlueHat Podcast, host Nic Fillingham is joined by George Hughey from Microsoft who returns to discuss his Blue Hat India talk on variant hunting, explaining how MSRC uses submission data from hacking competitions like Pwn2Own and Tianfu Cup to uncover additional security vulnerabilities in Windows. George shares how incentives in competitions differ from bug bounty programs, how tools like CodeQL assist variant hunting, and why collaborating with the security research community is key to improving Windows security.

In This Episode You Will Learn:

• How hacking competitions help find real-world Windows vulnerabilities
• The role of MSRC in hunting variants beyond submitted vulnerabilities
• Why fuzzing is not always effective for modern edge cases

Some Questions We Ask:

• How do you decide which cases to pursue for variant hunting?
• What advice do you have for researchers submitting variants?
• How does the CodeQL team collaborate with your team?

Resources:

View George Hughey on LinkedIn

View Wendy Zenone on LinkedIn

View Nic Fillingham on LinkedIn

Related Microsoft Podcasts:

• Microsoft Threat Intelligence Podcast
• Afternoon Cyber Tea with Ann Johnson
• Uncovering Hidden Risks

Discover and follow other Microsoft podcasts at microsoft.com/podcasts

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