"During a controlled evaluation, engineers with minimal security experience prompted Mythos to scan thousands of software codebases for vulnerabilities. The model showed striking capabilities in conducting multistep, autonomous attacks that take experts weeks or even months to put together. Mythos was not only able to discover 271 vulnerabilities in Mozilla's Firefox, it also developed exploits to take advantage of 181 of those."
"Claiming that it would be too risky to release the model, and that the company had the moral responsibility to disclose these vulnerabilities, Anthropic said it would not immediately offer the model to the public. Instead, it granted exclusive access to tech giants to test the model's capabilities, a process Anthropic dubbed 'Project Glasswing.'"
"As a cybersecurity researcher, I think Mythos' capabilities are impressive, but the AI system does not represent a radical departure. Mythos is less a new threat than a mirror reflecting how people behave and how fragile modern systems already are."
Anthropic announced that Claude Mythos Preview, its advanced language model, discovered and exploited software vulnerabilities at unprecedented rates, triggering global cybersecurity concerns. The model identified thousands of zero-day vulnerabilities in major operating systems and applications, including 271 in Mozilla Firefox with 181 exploits developed. Due to safety concerns, Anthropic restricted public access and instead granted exclusive testing access to tech giants through Project Glasswing. However, cybersecurity experts argue Mythos represents an acceleration of existing attack capabilities rather than a fundamentally new threat, reflecting the inherent fragility of modern systems and how human attackers already operate.
#ai-cybersecurity-threats #vulnerability-discovery #zero-day-exploits #responsible-ai-disclosure #software-security
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