Anthropic says Russian spies, criminals and hacktivists used Claude to accelerate and automate cyberattacks, while other actors pursued potential biological weapons research, military programs and industrial-scale theft of Anthropic’s models.
The Justice Department also seized infrastructure and digital-asset wallets tied to the Chinese-language marketplace, while Treasury sanctioned two companies supporting its operations.
Officials say DeepSeek, Alibaba and four other companies exploited leading American AI models to accelerate development of their own products, escalating tensions ahead of a planned Trump-Xi meeting
The company restricted outside investigators to a period that excluded previously undisclosed agent activity, raising questions about whether AI labs should control investigations of their own safety failures.
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The company is giving Daybreak participants first access to its powerful new model after an unrelated AI escape and Hugging Face breach prompted additional safeguards.
The security-tuned model found and patched more flaws than larger commercial models at a fraction of the cost, according to early testing by Google and Wiz.
Astra discovered and exploited two zero-days in testing, prompting OpenAI to restrict its most powerful cyber capabilities while deploying safeguards against both malicious users and unauthorized actions by the AI itself.
Project Watershed 250 will pair federal and Texas officials with technology companies in a six-month effort to find and fix vulnerabilities in water systems before expanding the model nationwide.
Anthropic is signing out affected users, removing payment methods, and refunding unauthorized charges after malware stole active Claude sessions from infected PCs.
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OpenAI, Anthropic and many of cybersecurity’s biggest vendors are calling for coordinated government action, broader access to defensive AI and hands-on support for under-resourced critical infrastructure.