Security researchers used Claude to help them hack into OpenAI

Summary

Three independent researchers at Hacktron say they used Anthropic's Claude Opus 4.8 and 5 to gain access to OpenAI employee accounts in under 72 hours, according to The Wall Street Journal. They reached OpenAI's GitHub repository called "Monorepo" and sent a pull request from an employee's Codex account as proof, but did not access its internal code. The source says they got in through Discourse, a third-party service hosting OpenAI's community forum.

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