Every note, newest first.

Anthropic Missed the Security Lesson
On July 21, 2026, we learned that a model reached the open internet from an environment that was supposed to be sealed and launched a cyberattack against another company. On July 30, we learned that it happened again at a different lab. That lab’s disclosure was careful to list the ways the two cases differed: it had caught the problem itself, its models had left through an open path rather than a novel exploit, and its newest model stopped once it worked out the environment was real. ...

