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Cybersecurity

AI Doesn’t Have to Go Rogue to Break the World

This essay is adapted from a keynote speech delivered at the DEF CON 34 conference in Las Vegas on August 7, 2026. The essay originally appeared in CyberScoop. I want to talk about AI hacking.

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Cybersecurity

New OpenSSH Vulnerability

It’s a bad one, and it’s been in the code for a decade: A newly disclosed flaw involving OpenSSH and musl, dubbed “*sshole,” allows attackers to log in to certain Alpine Linux and other musl-based Linux accounts configured to block password authentication simply by entering an oversized password.

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Cybersecurity

AI Security

Two weeks ago, I attended the [un]prompted AI security conference in San Francisco. It was an excellent event: three days of very dense talks about all aspects of AI security. (My talk was about integrous AI, and I will post it when it is online.) AI security can be divided into three broad topics.

Schneier on Security