Assessing Claude Mythos Preview's cybersecurity capabilities

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<!-- SC_OFF --><div class="md"><p>Claude Sonnet 4.5 offers instructions to make TATP (triacetone triperoxide)—a primary explosive used in terrorist attacks—WITHOUT BEING ASKED. It

<!-- SC_OFF --><div class="md"><p>Anthropic's new cybersecurity-focused Al, Mythos, was reportedly accessed by unauthorized users through a third-party vendor environment (Mercor)