Anthropic bets on EPSS for the coming bug surge

Summary

Anthropic's new AI vulnerability discovery system, Mythos, is accelerating the identification of software flaws, exacerbating the existing challenge of managing a high volume of vulnerabilities. To address this, Anthropic recommends using the Exploit Prediction Scoring System (EPSS) to prioritize which vulnerabilities are most likely to be exploited, enabling defenders to focus their efforts more effectively.

IFF Assessment

FOE

The increased speed and volume of vulnerability discovery driven by AI presents a significant challenge for defenders, increasing the attack surface and making it harder to keep up with patching and mitigation efforts.

Defender Context

The rise of AI-powered vulnerability discovery tools like Anthropic's Mythos means defenders must adopt more sophisticated methods for prioritizing remediation. Relying solely on traditional CVSS scores may become insufficient as AI can identify and potentially exploit flaws much faster. Organizations should explore probabilistic scoring systems like EPSS to forecast which vulnerabilities are most likely to be exploited in the near future and focus patching efforts accordingly.

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