Anthropic
OpenAI and Anthropic are pulling in different directions
Companies are handing routine operational decisions to AI agents that plan, remember, and act on their behalf. These agents run on statistical models, and their behavior can …
Claude Sonnet 5 includes safeguards against dangerous cyber use
Anthropic has introduced Claude Sonnet 5, the latest version of its general-purpose AI model, with improved reasoning, coding, tool use, and knowledge work capabilities. The …
Anthropic’s Claude Tag gives AI agents independent identities
Anthropic introduced an agent identity model for Claude Tag, its AI assistant designed for team collaboration in shared workspaces. The model gives Claude its own identity, …
Anthropic’s Claude Fable 5 is out for public use, with safeguards for high-risk requests
Days after publishing research on how advanced AI systems could amplify cyber operations in the wrong hands, Anthropic released Claude Fable 5, a Mythos-class model for …
Mythos Preview can weaponize N-day vulnerabilities in hours
Mythos Preview can develop working exploits from newly disclosed software vulnerabilities in hours, cutting down a process that has historically taken days or weeks, according …
AI is helping low-skill hackers pull off advanced cyberattacks
Anthropic has published an analysis of cyber-related misuse of its AI systems, examining 832 accounts that were banned for malicious cyber activity between March 2025 and …
June 2026 Patch Tuesday forecast: Where are the CVEs?
June 2026 Patch Tuesday is now live: Record Microsoft Patch Tuesday, fresh zero-day My forecast from last month was only partly right. After the Anthropic Mythos announcements …
Anthropic expands Project Glasswing to 150 organizations in more than 15 countries
Anthropic is expanding Project Glasswing, its cybersecurity initiative built around the Claude Mythos Preview model, by adding about 150 organizations following several weeks …
Anthropic launches Claude Opus 4.8, prepares Mythos-class models for all customers
Anthropic has released Claude Opus 4.8 and outlined plans for broader access to its Mythos-class models, which the company expects to make available to all customers in the …
Frontier AI models collapse under multi-turn AI attacks, Cisco finds
Attackers who probe large language models rarely give up after one refusal. They reframe, build context across turns, adopt personas, and escalate gradually. New research from …
Claude now reviews and fixes vulnerabilities as you write code
Anthropic introduced a security-guidance plugin for Claude Code that reviews code changes for common vulnerabilities and helps Claude identify and fix issues during the same …
Anthropic: Claude Mythos identified 10,000+ software flaws
Anthropic and its Project Glasswing partners have identified more than 10,000 high- or critical-severity vulnerabilities in critical software systems, the company announced in …