Before the Breach: The Zero Day Clock and the Race Against Exploitation
From Resilient Cyber by Chris Hughes
March 11, 2026 · 5 min
About this episode
In this episode, Chris Hughes interviews Sergej Epp about the alarming findings from the Zero Day Clock and the implications of AI in discovering vulnerabilities.
Show Description The Zero Day Clock is ticking — and the numbers should make every security leader uncomfortable. In this episode, I sit down with Sergej Epp, CISO at a leading security firm, who built the Zero Day Clock after a weekend experiment using AI to discover vulnerabilities firsthand. What he found shocked him: with no professional vulnerability research background and just a few hours of work, he was successfully finding zero days across major security projects using AI models and...
People in this episode
Host: Chris Hughes
Guest: Sergej Epp
Topics covered
- Zero Day Clock
- cybersecurity
- AI vulnerabilities
- security leadership
- exploitation
Keywords
- Zero Day Clock
- cybersecurity
- AI
- vulnerabilities
- exploitation
- security leader
- CISO
Mentioned in this episode
Organizations: leading security firm
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