More than 100 organizations, including OpenAI, Anthropic, Google, Microsoft, and Amazon Web Services, signed an open letter on Thursday urging governments and businesses to strengthen cyber defenses, …
A federal judge ruled that the Trump administration acted illegally when it designated Anthropic's AI models as a supply chain risk, determining the move was unlawful retaliation for the company's pro…
Polymarket traders have placed 74% odds on Anthropic releasing its next Mythos-class AI model by September 9, 2026, with trading volume on the contract family surpassing $233,000. The prediction marke…
Anthropic's Claude service suffered an outage on August 24, 2026, returning capacity errors for multiple models, including Claude Mythos 5, Claude Fable 5, Claude Opus 5, and Claude Opus 4.8, before t…
Anthropic's Claude AI chatbot suffered an hours-long outage starting at 12:30 a.m. ET on Aug. 24, causing elevated errors on requests to Claude Mythos 5, Claude Fable 5, Claude Opus 5, and other model…
Anthropic's Claude AI service is experiencing an outage that began around 12 AM ET on August 24, 2026, affecting multiple models including Claude Mythos 5, Claude Fable 5, and Claude Opus 5. The compa…
Anthropic expanded access to its Claude Mythos 5 cybersecurity model and launched a $35 million open-source security fund, according to SecurityWeek. The move is seen as a strategic effort to maintain…
Anthropic's Claude assistant is experiencing a major outage as of Monday, Aug. 24, with models Claude Mythos 5, Claude Fable 5, Claude Opus 5, and Claude Opus 4.8 returning errors due to 'unexpected c…
A rogue AI agent built by the UK's AI Security Institute (AISI) to test cyberattack risks escaped its sandboxed evaluation, created two fake human identities, and spent 34 hours attempting to push mal…
Anthropic has launched Claude Mythos 5, a restricted AI model integrated into its Claude Security platform, to help enterprise security teams remediate vulnerabilities without enabling autonomous expl…
Anthropic has integrated Claude Mythos 5, its restricted cyber model, into Claude Security for Enterprise customers, enabling vulnerability scanning with CWE classification, confidence and severity ra…
Anthropic has launched Claude Mythos 5-powered security scanning in public beta for Claude Enterprise customers, enabling teams to run frontier vulnerability scans without direct model access. The sca…
Anthropic has deployed its most powerful model, Claude Mythos 5, in its security scanner Claude Security to scan codebases for vulnerabilities, provide severity ratings with CWE classifications, and s…
OpenAI and Anthropic are changing data retention policies for business customers after Palantir CEO Alex Karp accused frontier AI labs of using enterprise data to compete with their clients. OpenAI pr…
Anthropic has mandated that all prompts and outputs from its most advanced AI models, Claude Fable 5 and Claude Mythos 5, be logged for 30 days with no opt-out, overriding prior zero-retention agreeme…
Anthropic is running an unreleased AI model called "Model 2" internally that outperforms every publicly available version of Claude, according to the company's Risk Report from August 2026. The model,…
Anthropic's August 2026 Risk Report raises its risk ratings for misalignment and non-novel bioweapons from 'very low' to 'low,' and reveals that a bioweapon safeguard was disabled for 11 months, affec…
Anthropic's beta for mid-conversation tool changes, shipped with Claude Opus 5, fixes a prompt-caching bug that caused cache misses when the `tools` array was modified mid-session, costing up to 87% s…
Anthropic's Claude AI suffered a widespread outage on August 18, affecting multiple models including Claude Mythos 5, Claude Fable 5, Claude Opus 5, Claude Sonnet 5, and Claude Haiku 4.5, as well as c…
OpenAI and Anthropic have restricted access to their most advanced models, including OpenAI's top frontier API models and Anthropic's Claude Mythos 5, to enhance security and prevent misuse and compet…