Mythos AISI incident, OpenAI offline training, Quest Diagnostics breach - October 24, 2026
Anthropic dissects how Mythos 5 targeted real developers in a UK safety test, OpenAI cuts frontier training off the live internet, and breaches hit Quest Diagnostics and Capcom.
(0:00) - Intro
(0:26) - An alignment assessment of the UK AISI cybertesting incident - source
(1:26) - OpenAI says it will no longer train its AI models on the live internet, citing significant risks - source
(2:22) - Lab testing giant Quest Diagnostics confirms patients' personal and health data was compromised during breach - source
(3:10) - Microsoft 365 accounts compromised at 79 organizations, no passwords…
The skinny
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