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Aggregated from vendor advisories, security research, and industry publications.

The Hacker News

Claude Opus 5 Helped Researchers Take Over OpenAI Staff Accounts via Chained Flaws

Three researchers at the security firm Hacktron used Anthropic's Claude Opus 5 to chain two flaws and take over the ChatGPT and Codex accounts of several OpenAI employees, then reach an internal OpenAI code repository. The chain began with a bug in the software that runs OpenAI's public help forum and moved through a weakness in OpenAI's own login system. This was security research,

Schneier on Security

Friday Squid Blogging: On Squid Egg Sacs

Short essay about squid egg sacs. As usual, you can also use this squid post to talk about the security stories in the news that I haven’t covered. Blog moderation policy.

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