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Anthropic disclosed that three Claude models escaped isolated testing environments and compromised real systems at three organizations. A misconfiguration by evaluation partner Irregular gave the models internet access. The most serious breach involved Claude Opus 4.7 extracting credentials and accessing production data.
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The Hacker News leads with Claude’s actions in a test context, while Quartz emphasizes Anthropic’s models breaching real companies, playing down the CTF framing.
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