This Week in AI Security - 25th J...
This Week in AI Security - 25th June 2026

Modern Cyber with Jeremy Snyder by Jeremy Snyder

Episode notes

This week's episode is short but loaded. Jeremy walks through a run of stories where AI is reshaping both sides of the security fight at once. Models are now surfacing decades-old vulnerabilities that humans never caught, chaining old bugs into new high-impact attacks, and getting jailbroken within days of launch. On top of that: a fresh zero-click exfiltration chain in Microsoft 365 Copilot, a database that doubles as a covert attack channel, a major open source patching initiative from OpenAI and Trail of Bits, and a NIST proof that no fixed set of guardrails can hold forever.

Key Episode Highlights

  • SquidBleed: a Squid proxy flaw sitting in the default config since a 1997 commit, surfaced almost instantly by Claude Mythos Preview under Project Glasswing. Roughly 30 years undetected by humans. ... 
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