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Intel Chat: Claude models reached real systems, an AI safety resignation & ShieldCrash [347]

Intel Chat with Matt Bromiley and Chris Luft. Stories covered: Chapters: The Cybersecurity Defenders Podcast — a podcast about cybersecurity and the people that keep the internet safe. New episodes drop weekly. Subscribe wherever you listen.

Top 3 Autonomous Pentesting Platforms in 2026 (Astra, XBOW, NodeZero)

3 companies are using AI agents to run pentests continuously instead of waiting six weeks for a report. This video breaks down what Astra Security, XBOW, and NodeZero each actually do, and who they're built for. Timestamp: GO DEEPER TOOLS MENTIONED Only test systems you own or have explicit permission to test. AI doesn't change that rule. This is Astra's channel — XBOW and NodeZero are described from public documentation, no commercial relationship, not sponsored.

Escalated Privileges in Azure Containers with Python in Excel

A math function in Excel became a path to root in Microsoft's cloud. SafeBreach Labs researcher Ron Ben Yizhak reverse-engineered the isolated Azure containers behind Microsoft's Python in Excel feature—and found the "isolated" part didn't fully hold. Cloud isolation claims are a trust boundary. Trust boundaries get tested. What he found: Both issues were responsibly disclosed to Microsoft and patched between March and June 2026, and the research debuted at DEF CON 34.