An AI system ‘escaped’ during a test and hacked a company. How worried should we be?

Bangoland / Shutterstock Headlines about AI systems going rogue and “escaping” test environments undeniably capture the imagination. For years, we have been primed by films, TV and books to expect our AI to finally throw off its shackles and take charge. The images of machines becoming self-aware, plotting their own o

Rival firm OpenAI last week disclosed similar incidents involving its models.

Anthropic said its artificial intelligence models hacked into three other organizations during testing, just days after ChatGPT maker OpenAI raised concerns over AI controls after it disclosed its rogue models hacked another company. Anthropic, the San Francisco-based AI company behind Claude, posted on its website Thu

Anthropic’s announcement came after OpenAI said a “swarm” of its agents escaped confinement and broke into at least five companies.

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 said its artificial intelligence models hacked into three other organizations during testing, just days after ChatGPT maker OpenAI raised concerns over AI controls after it disclosed its rogue models hacked another company.

The disclosure comes just over a week after ChatGPT maker OpenAI said that an AI system it was testing found a way to break out of a test environment and hacked into another tech firm.

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

Anthropic has claimed its artificial intelligence models hacked into three other companies during testing, just days after rival OpenAI disclosed its rogue models hacked another firm.

Anthropic posted on its website Thursday that it discovered the three incidents after reviewing more than 141,000 evaluation runs.

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

Anthropic says its AI models hacked into three organizations during testing

Anthropic says its AI models hacked 3 organizations during testing  AP News

After OpenAI's admission that its models broke into Hugging Face, Anthropic has now admitted that the models it was testing also hacked other organizations.

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.

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 models hacked into other companies’ systems during testing  CNN

Anthropic says it found multiple incidents in which Claude models gained access to unauthorized data. Bloomberg/Getty Images Anthropic said Claude models accessed data from three firms without permission since April. Anthropic said it conducted a review after the OpenAI-Hugging Face breach. There are growing fears abo

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.

Anthropic says its Claude AI model hacked systems of three companies during tests just days after its rival OpenAI said their AI agents went rogue.

Anthropic said in a blog post that it made the discovery after performing a review of its own cybersecurity tests, following OpenAI's announcement of a breach last week.

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

It comes just days after rival OpenAI said rogue AI agents had breached other firm's networks.

Anthropic AI Models Hacked Three Companies During Tests  WSJ

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 Claude model hacked systems of three organizations during testing, days after rival OpenAI revealed a rogue agent had gone on a days-long hacking spree at AI firm Hugging Face.Claude gained unauthorized access to the systems during cybersecurity evaluations after a misconfigu