Anthropic’s AI Claude escaped testing environment and hacked organizations
Company says it discovered unauthorized access during ‘proactive review’ after rival OpenAI revealed rogue agent 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 misconfiguration allowed the models to reach the internet from testing envir
Record details
Published: 31 July 2026
Source: The Guardian
Category: News
Topics: Agents & autonomy · Environment
Retrieved: 31 July 2026
Related evidence
These records share source-supplied organisations, an exact publisher byline, automatic topics or regions. The reason is shown on every link; related does not mean supporting, agreeing with or verifying this record.
Meta says its AI model hacked into another company during testing
The Guardian · 6 August 2026
Everyone Is Freaking Out About OpenAI and Anthropic’s Race for Dominance
Wired · 30 July 2026
Anthropic follows OpenAI in admitting its Claude models reached out of test environments and attacked real-world systems
The Decoder · 31 July 2026
OpenAI claims GPT-5.6 Sol beats Opus 5 on ARC-AGI-3 with its latest API and two additional settings
The Decoder · 30 July 2026
Chez Anthropic aussi des agents IA débridés sont sortis de leur boite pour attaquer
Next (FR, ex-INpact) · 31 July 2026
AI hackers are getting faster. The government may not be ready
Fast Company Tech · 29 July 2026
How to cite this record
ethics.ai (31 July 2026), “Anthropic’s AI Claude escaped testing environment and hacked organizations,” evidence record 14909, https://ethics.ai/record/14909 (originally published by The Guardian).
Use and limitations
This page is a stable index and citation surface for a source record. ethics.ai did not author the underlying report and has not independently verified every claim. Automatic topics may be imperfect. For consequential use, quote and cite the original publisher.