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30 days with Claude Mythos Preview: How Tenable adapted our security program, and why yours is next

medtenablePublished 2026-08-03

<p>Tenable spent 30 days running frontier AI models against our own code. It didn’t just find bugs — it proved they’re real, with reproducible exploits. That fundamentally changes code security from ranking potential code defects to a much higher signal focused on the findings that matter. Read on to learn how it reshaped our security team's work, what it cost, and why your program is next.</p><di

MITRE ATT&CK techniques

Indicators of compromise

Original source: https://www.tenable.com/blog/testing-claude-mythos-preview-for-code-security-tenable