Tracked topic
Cybersecurity covers information-security practice — vulnerabilities, breaches, malware, and defensive security operations; related to but distinct from privacy.
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. …
… But some of the ice may reportedly be melting between the two, thanks to Anthropic’s buzzy new cybersecurity-focused model: Claude Mythos Preview. …
… 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. …
Several US federal agencies are taking up Anthropic’s new cybersecurity model to find vulnerabilities, but one is reportedly not getting in on the action: the nation’s central cybersecurity coordinator. …
OpenAI is preparing to launch a new frontier cybersecurity model, GPT-5.5-Cyber. …
… Even so, early reports from parties with access suggest Mythos is particularly adept in cybersecurity. …
… Opus 4.7 comes on the heels of Mythos Preview, the buzzy cybersecurity-focused model Anthropic announced earlier this month, which the company has said is its most powerful model overall. …
Anthropic’s private cybersecurity-focused model is being used by a handful of large companies, including Nvidia, Apple, and JPMorgan Chase, to plug high-stakes vulnerabilities in their systems, creating a lot of buzz. …
Anthropic’s cybersecurity-focused AI model found 271 bugs in Firefox 150, Mozilla CTO Bobby Holley said, calling Claude Mythos Preview “every bit as capable” as top security researchers. …
Despite Anthropic’s ongoing battle with the Pentagon, Bloomberg reports that the White House Office of Management and Budget’s CIO told government officials that it is preparing for their agencies to use Anthropic’s cybersecurity-focused AI model. …