… Article continues below The new approach sounds a lot like the UK's AI Security Institute model, where government bodies evaluate frontier models against safety benchmarks before and after deployment. …
… Like Glasswing, Daybreak isn’t built on just one AI model — OpenAI says “Daybreak brings together the most capable OpenAI models, Codex, and our security partners.” Daybreak also involves specialized cyber models, including GPT-5.5 with Trusted Access for Cyber and GPT-5.5-Cyber, which began rollin… …
… OpenAI is combining a model where it partners with certain organizations on limited releases with an automated system introduced in February, known as Trusted Access for Cyber or TAC. …
… The model under consideration resembles the UK's approach, where the AI Security Institute evaluates frontier models against safety benchmarks before deployment. …
Spent half a day trying Claude Code 2.1.139’s new Agent View and background sessions — useful, but still has quite a few rough edges.The first item in the 2.1.139 changelog released on 2026-05-11 was Added agent view (Re…
This is something that has bothered me for quite a while, and I don't see a lot of people talk about it: Agents, in most cases, impersonate the human operator, by design, with no way to enforce, disclose, or control it. …
… Other unreleased Anthropic AI models have also been accessed by the group, according to Bloomberg.
… "Anthropic releases Opus 4.6 with new 'agent teams' " . TechCrunch . Retrieved February 5, 2026 . ^ Mills, Madison February 17, 2026 . "Anthropic's basic model is almost as smart as its advanced model" . …
… Bloomberg reports the group accessed Mythos by making “an educated guess about the model’s online location,” using information about Anthropic’s other models exposed in the breach of Mercor — a company that makes AI training data — along with access one member had through contract work evaluating A… …
… Now they have a new Big Bad: an AI model that can generate zero-day vulnerabilities. Anthropic made the model and named it Mythos. …
Security Claude Opus wrote a Chrome exploit for $2,283 Pause your Mythos panic because mainstream models anyone can use already pick holes in popular software Anthropic withheld its Mythos bug-finding model from public release due to concerns that it would enable attackers to find and exploit vulne… …
… Separately, XBOW released data suggesting “frontier models have taken a major step forward in vulnerability discovery.” Meanwhile, Microsoft said its multi-model agentic setup, MDASH, was used to discover 16 CVEs in this week’s Patch Tuesday updates and is the leader on the CyberGym security evalua… …
