Mythos Model

• Anthropic has halted access to its Fable 5 and Mythos 5 AI models for foreign nationals after reports that the US government identified a potential jailbreaking vulnerability. • The move has sparked criticism in Europe, with officials like Haddad describing the restriction as a "wake-up call" regarding the intersection of AI and national sovereignty. • This decision is viewed as an acceleration of the geopolitical battle over AI, highlighting the strategic dependency of non-US nations on American technology.

AI company restricted access to Fable 5, its most powerful Mythos model, for months over cybersecurity concernsAnthropic, the maker of the Claude artificial intelligence (AI) models, made a new version of its technology available to the general public on Tuesday while restricting its use in sensitive areas.Dubbed Fable 5, the model is the first to be made widely available from the company’s new Mythos class – its most advanced lineup of AI technology, unveiled in April but restricted to a small set of partner institutions for months over cybersecurity concerns. Continue reading...

• Singapore's Monetary Authority (MAS) met with chief executives of major financial institutions to discuss AI-related cyber threats, prompted by Anthropic's limited release of its Mythos model. • The Cyber Security Agency of Singapore issued a letter urging critical information infrastructure owners to commission board-level reviews of their cyber-risk posture in response to emerging AI security concerns. • The coordinated regulatory response underscores Singapore's proactive stance on managing AI-driven cybersecurity risks in the financial sector and critical infrastructure.