Anthropic says Claude accidentally hacked real companies too

Anthropic just realized several of its Claude AI models hacked into the systems of three different organizations during testing, acting on their own and without the company noticing. The revelation…

Anthropic reveals Claude "gained unauthorized access" to "real-world systems"

Anthropic’s artificial intelligence model Claude “gained unauthorized access” to three outside organizations on three separate occasions during testing.

Anthropic says its own AI models breached three companies during security tests

After OpenAI’s models broke into Hugging Face, Anthropic checked its own history and found three similar incidents

Anthropic says Claude models 'gained unauthorized access' to 3 companies during cyber test

Editor’s Note: This story has been updated to reflect how Anthropic accessed different organizations. The artificial intelligence firm Anthropic revealed Thursday its Claude model accessed the systems of three different…

Anthropic says Claude AI hacked three organisations during cyber tests

It comes just days after rival OpenAI said rogue AI agents had breached other firms’ networks.

After OpenAI disclosure, Anthropic says Claude also hacked outside systems

The incidents have heightened concerns about AI agents, software products designed to perform tasks autonomously.

Microsoft logs $3.2B from Anthropic investment, but OpenAI was a mixed bag

When Microsoft reported killer fourth-quarter earnings for its fiscal 2026 year (which ended June 30), it tucked in an interesting little tidbit about how its investments in the two biggest,…

Microsoft is openly competing with OpenAI, Anthropic more than ever

Microsoft pitched its own homegrown AI models, harnesses, and even a Mythos competitor on Wednesday, telling Wall Street it plans for continued growth.

Anthropic launches Opus 5

Opus 5 will be both cheaper and less restrictive than Fable, likely making it preferable in most use cases

Anthropic releases Opus 5 with ‘close’ to Fable 5’s capabilities

Weeks after Anthropic’s latest toe-to-toe with the US government, and days after an OpenAI security incident that dominated tech industry discussions, Anthropic on Thursday released its newest model, Claude Opus…