Anthropic's accidental Mythos reveal crashed cybersecurity stocks — but the market was catching up to a reality that was already here. On the same day, CISA warned of active exploitation of AI agent frameworks, researchers disclosed basic vulnerabilities in LangChain's widely-used tooling, and IBM confirmed the first AI-generated malware in a live ransomware campaign. AI is simultaneously the most powerful offensive tool, the most attacked infrastructure, and the newest malware author — and the market just priced that triple threat in.