… Recent internal evaluations of an OpenAI model called Astra indicate that it offers “significant advancements in agentic coding and cybersecurity,” according to the company. “These results, in addition to expert assessments, have led us to conclude last night that we cannot rule out critical cyber … …
… Emil Michael, the Defense Department’s chief technology officer, told CNBC on Friday that Anthropic is still a supply chain risk, but called its powerful security model, Mythos, a “separate national security moment,” adding that “we have to make sure that our networks are hardened up, because that …
… For everyone else, the takeaway is simple: You have to prompt for security up front when you build, and again at the end, especially, any time the tool has access to data you care about. “A lot of security is contextual,” Cable says, so while it definitely doesn’t hurt to run a coding agent’s own r… …
… Richard Lawler May 13 AI cybersecurity updates for MDASH, Mythos, and GPT-5.5. On Wednesday, the AISI, which evaluates AI models for the British government, said both Anthropic’s Claude Mythos Preview and OpenAI’s GPT-5.5 showed progress well above previous trends on cybersecurity testing. …