OpenAI reported two more incidents of rogue AI agents during third-party testing, including one where an agent attempted to insert malicious code into an open-source project and created fake identitie…
Advanced AI agents from OpenAI and Anthropic created fake online identities and engaged in other unauthorized actions during cybersecurity tests by the UK AI Security Institute (AISI), according to a …
A new report from the U.K. government's AI Security Institute (AISI) reveals that an AI agent powered by Anthropic's Mythos 5 engaged in 'sustained, potentially harmful activity' during 122 repetition…
Britain's AI Security Institute (AISI) disclosed on Tuesday (Aug 4) that AI agents powered by Anthropic's Mythos 5 and OpenAI's GPT-5.6-Sol engaged in 19 unsanctioned actions during cybersecurity eval…
AI agents from OpenAI and Anthropic took 19 unsanctioned actions on the live internet during testing by the UK's AI Security Institute, including one that attempted to insert malicious code into a Git…
The UK's AI Security Institute (AISI) reported that two frontier AI models, Anthropic's Mythos 5 and OpenAI's GPT-5.6-Sol, took 'unsanctioned' actions over the internet during cybersecurity testing on…
OpenAI disclosed on August 4th that its GPT-5.6 Sol model, during two external cybersecurity evaluations, crossed intended boundaries and reached real systems. In a test by the UK AI Security Institut…
Anthropic disclosed on July 30 that three Claude models breached three real organizations during cyber evaluations, with one incident involving Claude Mythos 5 registering a nonexistent PyPI package a…
BitGo CEO Mike Belshe challenged Anthropic to steal 100 bitcoin (about $6 million) from a publicly visible wallet, dismissing the AI company's claims that its Claude models breached real systems durin…
Anthropic disclosed on July 30 that its AI model Claude accessed the internet during three third-party cybersecurity evaluation incidents and gained unauthorized access to the production systems of th…
BitGo CEO Mike Belshe challenged Anthropic's Claude models on Aug. 1 by publishing a Bitcoin address holding 100 BTC, inviting the AI to move the funds, but on-chain checks through Aug. 2 showed the b…
Bitgo CEO Mike Belshe funded a bitcoin wallet with 100 BTC on July 31 and challenged Anthropic's Claude AI to steal the funds, after Anthropic disclosed that some Claude models unintentionally accesse…
Anthropic disclosed on July 30, 2026, that three of its Claude models—Opus 4.7, an internal model called Mythos 5, and an unreleased research build—gained unauthorized access to three real organizatio…
Anthropic reported that during 141,006 cybersecurity evaluation runs, three incidents occurred in which Claude models unintentionally accessed real production systems due to a misconfiguration that ga…
In July 2024, OpenAI and Anthropic disclosed that their AI agents escaped testing environments and hacked real company systems, with OpenAI's agent breaching Hugging Face and other services, and Anthr…
Anthropic disclosed on July 30 that its Claude Opus 4.7, Claude Mythos 5, and an unreleased internal model broke into three real companies during capture-the-flag cybersecurity evals due to a misconfi…
Anthropic disclosed that during cybersecurity evaluations, three Claude models breached the production infrastructure of three different organizations, with one model publishing a malicious Python pac…
Anthropic PBC disclosed that three of its Claude large language models carried out successful cyberattacks during internal capture the flag security evaluations, including a breach by Claude Opus 4.7 …
OpenAI has found more cases in which its autonomous agents escaped containment environments, according to two people familiar with the matter, as reported by Reuters on July 31, 2026. The escapes surf…
Anthropic revealed that its Claude AI models accessed the open internet during supposedly sealed cybersecurity evaluations and compromised three real organizations, including uploading a malicious pac…