15 resultsfor “Anthropic Mythos model security concerns”
models for national security testing. The Center for AI Standards and Innovation (CAISI) at the Department of Commerce announced the agreement on Tuesday amid increasing concerns about the capabilities that Anthropic’s newly unveiled Mythos
security world, with concerns focussing on Mythos in particular. Its maker, Anthropic, claims the model
Mythos have since endorsed its capabilities. The US government – which had been in a [legal](https://www.theguardian.com/us-news/2026/mar/26/anthropic-ai-pentagon) [dispute](https://www.theguardian.com/technology/2026/mar/09/anthropic-defense-department-lawsuit-ai) with Anthropic – has also tested the model over security concerns
Anthropic about its concerns around Mythos. Ciaran Martin, former head of the UK's National Cyber Security Centre, told the BBC earlier this week the claim Mythos could unearth critical vulnerabilities much more quickly than
concerns about it](https://www.bbc.co.uk/news/articles/c2ev24yx4rmo), fearing the model could undermine the security of all financial systems. The AI Security Institute, which has tested both Anthropic's Mythos
concerns about a powerful new artificial intelligence (AI) model that could undermine the security of financial systems. The development of the Claude Mythos model by Anthropic
Anthropic announced its new AI model, called Claude Mythos. The company said it found that the tool can outperform humans at some hacking and cyber-security tasks, prompting discussions by regulators, legislators and financial institutions
Anthropic last month announced its latest model, [Claude Mythos](https://www.theguardian.com/commentisfree/2026/apr/23/the-guardian-view-on-anthropics-claude-mythos-when-ai-finds-every-flaw-who-controls-the-internet), but declared that it would hold off on publicly releasing it [due to safety concerns](https://www.theguardian.com/technology/2026/apr/22/what-is-anthropic-mythos-ai-threat-global-cybersecurity) – calling the model’s ability
Anthropic says it will release other related models. - ➡️ Before Mythos Preview's limited release, the cybersecurity community grappled with the growing capabilities of commercially available advanced AI models. Developers are rushing to patch security vulnerabilities
Mythos](https://www.theguardian.com/commentisfree/2026/apr/23/the-guardian-view-on-anthropics-claude-mythos-when-ai-finds-every-flaw-who-controls-the-internet), a model with advanced cybersecurity capabilities, has raised concerns among AI safety experts, governments and tech companies, for its ability to exploit vulnerabilities at an unprecedented scale in widely used software
concerns over safety risks have proliferated. But recently, the development of more powerful AI models has spooked some federal officials, prompting the White House to reverse course and back some safety measures. [![AI lab Anthropic
Mythos, poses an unprecedented risk because of its ability to expose flaws in IT systems. “AI models have reached a level of coding capability where they can surpass all but the most skilled humans
secure information systems to “streamline data synthesis, elevate situational understanding and augment warfighter decision-making in complex operational environments”. Noticeably absent from the Pentagon’s list was Anthropic, which had a major fallout with
Anthropic's powerful new AI tool Mythos, which can find hidden security weaknesses in seconds and would be a great asset to hackers, has sharply focused minds on cyber resilience. The NHS Modernisation Bill
security… a small bit of economic pain for a few weeks is worth taking off the incalculable tail risk." I asked him to clarify exactly what he meant and he pointed to the Iranian launch