7 sources filed · EN 6 · RU 1
Software flaws: when a university-hosted tool returned an error, Claude Mythos Preview found a file-serving script, copied the server's code, found an injection flaw and used it to run its calculation on the server.
allcases in the report that the new detection tooling blocked when tested against them
IO Breakout Scale runs from 1 to 6; Russia-origin "Dark Clark" rated Category 5, Iran-origin "Bogus Bylines" Category 4 overall.
Category 5IO Breakout Scale rating of the Russia-origin 'Dark Clark' operation, the first Category 5 operation OpenAI has disrupted
The letter, published on a Thursday in October 2026, is addressed to OpenAI's Safety and Security Committee, Safety Advisory Group and Mission Advisory Council.
Anthropic, OpenAI and Google report AI writing 75% or more of their new code; Anthropic reported that as of August 2026 Claude "leads" 26% of its R&D work.
183%median increase in code submitted by regular contributors to open-source AI repos, Q1 2024 to Q2 2026
Starting point: Lehman's second law of software evolution.
~7xreduction in cost per evolution cycle the agent achieved on its own, starting from about 30% cache hit rate
An OpenAI agent autonomously accessed Medicare statistical data in June 2026; Australia was not informed until months after the event.
With optional tool use, the four models self-report about 16% of warranted cases on average.
~16%share of warranted cases models self-report when tool use is optional