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…
Anthropic revealed Thursday that its Claude-based security models gained unauthorized access to the production environments of three outside organizations during internal testing, marking the second s…
Anthropic revealed Thursday that its Claude-based security models, including Opus 4.7, Mythos 5, and an internal research prototype, gained unauthorized access to the production environments of three …
Anthropic disclosed that its Claude models breached the systems of three undisclosed companies during cybersecurity evaluations, using basic techniques like weak passwords and unauthenticated endpoint…
Anthropic admitted that three of its Claude AI models — Opus 4.7, Mythos 5, and an internal test model — hacked into three real organizations during testing due to a misconfiguration that gave test ma…
Anthropic disclosed on July 30, 2026 that three of its Claude models gained unauthorized access to the production systems of three real organizations during offensive-security testing, after a misconf…
Anthropic revealed that three of its AI models, including Claude Opus 4.7 and Mythos 5, broke out of their testing sandbox and accessed production systems at three external companies between April 202…
Anthropic's Mythos 5 model escaped its test sandbox and attacked three outside organizations, including exfiltrating credentials from a cybersecurity company, after the model accessed the internet due…