Anthropic Says Claude Breached Three Real Companies During Safety Test

Anthropic Says Claude Breached Three Real Companies During Safety Test  Forbes

Anthropic's Claude goes rogue and hacks three organizations while testing

Anthropic said some of its artificial intelligence models mistakenly accessed the Internet and hacked into the databases of three other companies.

The robots are starting to flex their muscles as Artificial Intelligence (AI) bots continue to display their dominance over human-created computer barriers

San Francisco-based Anthropic said its AI Claude found a weakness and connected to the internet to launch cyber attacks on three organisations

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 comes days after rival OpenAI said one of its own models had breached developer platform Hugging Face, adding to growing u

Anthropic found the intrusions while reviewing its own testing records after OpenAI disclosed a similar incident.

The incidents involved 3 Claude models operating in an evaluation environment that was inadvertently connected to the internet

Days after two OpenAI frontier AI models conducted their own real-world cyber attacks, Anthropic admits that three of its models went off the rails and hacked external organisations thanks to a “misunderstanding” with one of its technical partners

Anthropic says Claude AI models breached three organisations during cyber tests  thenationalnews.com

Anthropic reviewed 141,006 of its own test runs after OpenAI's Hugging Face hack, and found three Claude models had broken into three real companies. Claude Opus 4.7, Mythos 5 and an unreleased model used basic techniques like weak passwords and SQL injection. One uploaded malware to PyPI that 15 systems ran. Two victi

Anthropic’s Claude Hacked Three Organisations During AI Test  Dawn

The latest disclosure underscores how AI has increased threats to cybersecurity and how its developers can struggle to keep the capabilities of their models contained

Three separate versions of Claude AI broke out of cybertesting environments and hacked three firms, its developer Anthropic said. The development comes days after rival OpenAI reported a rogue agent hacked a startup.

Anthropic's artificial intelligence model Claude "gained unauthorized access" to three outside organizations on three separate occasions during testing.

Anthropic disclosed on Thursday that its Claude artificial intelligence models escaped their isolated testing environments, accessed the internet, and breached the systems of three unnamed companies. The announcement came over a week after OpenAI said two of its autonomous agents went rogue and accessed AI firm Hugging

5 min readNew DelhiJul 31, 2026 08:47 AM IST Anthropic has paused its cybersecurity evaluations after discovering three incidents involving Claude AI models.(Image: Reuters)Amid the intensifying debate around autonomous AI systems and cybersecurity, frontier AI lab Anthropic, on Thursday, July 30, said that it had foun

July 30 (Reuters) - Anthropic said on Thursday its AI model Claude hacked into the systems of three companies during testing after a configuration error gave it internet access, days after rival OpenAI disclosed a rogue-agent episode involving AI firm Hugging Face.

Wrote and published malware during tests, which is apparently OK because leaky test environments were the real problem

US technology firm Anthropic says its artificial intelligence (AI) models hacked into the systems of three other firms during a cybersecurity test due to an error that gave them access to the internet.

Anthropic said its AI model Claude hacked into the systems of three firms during testing after a configuration error gave it internet access, days after rival OpenAI disclosed a rogue-agent episode.

Anthropic Says Claude AI Hacked Three Companies During Cyber Tests  huffpost.com

In a review triggered by OpenAI's Hugging Face incident, Anthropic discovered three of its AI models had breached real organizations during third-party evaluations.

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

The artificial intelligence firm Anthropic revealed Thursday its Claude model escaped an isolated testing environment at least three times and accessed the systems of three different organizations without a prompt to do so. Anthropic said in a blog post Thursday evening it reviewed more than 141,000 evaluations of Clau

Anthropic AI Models Hacked Three Companies During Tests  WSJ

Claude thought it was in a simulation. It was on the open internet, and the companies it broke into were real.

Claude thought it was in a simulation. It was on the open internet, and the companies it broke into were real.

The admission from Anthropic comes just days after ‌rival company OpenAI revealed a rogue agent had gone on a days-long ‌hacking spree at ⁠AI firm Hugging Face.

Anthropic says its AI models hacked systems of three companies during tests  Reuters

July 30 : Anthropic said on Thursday its AI model Claude hacked into the systems of three companies during testing after a configuration error gave it internet access, days after rival OpenAI disclosed a rogue-agent episode involving AI firm Hugging Face.Anthropic said a misconfiguration allowed Claude models to reach

Some of Anthropic's most powerful models — including Mythos 5 and an internal research model — gained unauthorized access to real-world systems during pre-deployment cybersecurity testing, the company said Thursday. Why it matters: OpenAI's and Anthropic's latest disclosures show frontier AI models reaching real-world

Artificial intelligence tools are quickly advancing in sophistication and capabilities, raising alarm among researchers and industry figures who say the technology needs to be more tightly regulated. This comes as OpenAI, maker of ChatGPT, recently disclosed that one of its experimental AI agents went rogue and secretl

The program, ChatGPT for Academic Researchers, will start with 10,000 participants this summer.

A cyber-attack carried out when ChatGPT went rogue further than initially reported, maker OpenAI has revealed.

Experimental version of system that powers ChatGPT went on days-long hacking spree of other services, company reveals

A ChatGPT bot broke out of its cage and was doing slightly more than just fine (Picture: Metro/Getty Images) An AI model by the company behind ChatGPT has compromised a company for the second time. OpenAI said last week that two of its models escaped and launched a cyberattack on Hugging Face, a digital library of AI m

My first startup was a textbook-buyback service I founded along with several data nerd friends while at Johns Hopkins. Each week, we’d cram $10,000 of cash in a backpack (in retrospect, a terrible idea in urban Baltimore), put out a table on campus, buy textbooks from our fellow students using a pricing algorithm we bu

Claude Mythos Preview discovered new attacks in testing against weakened cryptographic algorithms, which protect online financial transactions, private communications and more.