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Hackers used Claude and ChatGPT to steal hundreds of millions of Mexican government records

A group of hackers used both Claude Code and ChatGPT in a cybersecurity hack that lasted two and a half months.
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OpenAI opens its cybersecurity model to thousands of defenders in race with Anthropic’s Mythos

OpenAI launches GPT-5.4-Cyber with binary reverse engineering for verified defenders, scaling access to thousands as it ...