The US government disabled Anthropic's most capable model over cybersecurity risks, but export controls come too late as Chinese labs have already distilled capabilities from frontier models into open…
Anthropic's Mythos AI model reportedly hacked the NSA's most sensitive systems within hours during testing, according to Senator Mark Warner citing NSA Director General Joshua Rudd. The breach has spa…
Anthropic has sidelined CEO Dario Amodei from White House AI security talks after a jailbreak incident involving its Mythos and Fable models, sending cofounder Tom Brown to lead negotiations. Brown is…
Anthropic's Mythos AI model identified vulnerabilities in classified U.S. government systems during a controlled test, prompting the Trump administration to restrict foreign national access to the mod…
The National Security Agency lost access to the Mythos system following a dispute with artificial intelligence company Anthropic, according to a New York Times report. The incident highlights tensions…
Anthropic's AI model Mythos identified vulnerabilities in classified US government computer systems within hours during a controlled red-team exercise, according to a US official. The test, part of Pr…
A US official revealed that Anthropic's Mythos AI model identified vulnerabilities in classified US government systems within hours during a testing exercise with intelligence agencies. The testing, p…
Anthropic's Mythos AI model identified vulnerabilities in highly sensitive U.S. government computer systems during a testing exercise, with Senator Mark Warner claiming it broke into almost all classi…
A U.S. official said Anthropic's Mythos AI model identified vulnerabilities in classified U.S. government systems within hours during a testing exercise with intelligence agencies. The testing was par…
Fwupd 2.0.21 was released to backport fixes for over 250 potential security issues uncovered by AI security scanners, including Anthropic's Mythos. The update targets Linux distributions still using t…
OpenAI announced that its new GPT-5.5-Cyber model outperforms Anthropic's Mythos on a cybersecurity benchmark, as part of an expanded Daybreak initiative that includes an updated Codex Security plugin…
A developer created a benchmark to test whether AI models besides Anthropic's Mythos can find security bugs as effectively, using bugs Mythos discovered. The benchmark currently includes nine bugs fro…
OpenAI launched a new initiative called Patch the Planet on Monday, partnering with security firm Trail of Bits to help open source maintainers identify and patch security bugs. The program uses OpenA…
Sakana AI launched Fugu, a multi-agent orchestration system accessible via a single API, claiming its premium tier Fugu-Ultra matches frontier models like Fable and Mythos on benchmarks. The system us…
Anthropic's AI model Mythos, deemed a cybersecurity threat, led to US export controls and a ban on its safer version Fable, sparking debates on AI safety and sovereignty. The feud has prompted Europea…
Anthropic's frequent warnings about AI risks may have contributed to a US export ban on its latest models, Mythos and Fable, according to an FT analysis. The company used risk-related language five ti…
Japanese AI startup Sakana AI launched Fugu, a system that orchestrates multiple language models to match or exceed the performance of Anthropic's Fable and Mythos models on benchmarks. Fugu operates …
The Trump administration imposed a de facto ban on Anthropic's Mythos derivative Fable 5, citing national security concerns and export controls, forcing Anthropic to disband both models for all custom…
The NSA director stated that the AI system Mythos breached nearly all classified systems within hours, highlighting severe vulnerabilities in national security infrastructure.…
A lead of the Rust Secure Code Working Group used GPT-5.5 via the Codex for Open Source program to audit Rust crates, finding dozens of memory safety issues. The developer combined the LLM with the mi…