Anthropic Crashed Cybersecurity Stocks Three Weeks After Crashing SaaS Stocks. The Tool Found Bugs That Humans Missed for Dec...

On February 20, Anthropic released Claude Code Security — an AI-powered vulnerability scanner built into Claude Code that reasons through codebases the way a human security researcher would. It traces data flows, maps component interactions, and flags logical vulnerabilities that static analysis tools miss entirely. The market's response was immediate. CrowdStrike dropped 8%. Cloudflare fell 8%. Okta lost 9.2%. SailPoint shed over 9%. The Global X Cybersecurity ETF closed at its lowest point since November 2023. This was the second time Anthropic cratered an entire software sector in three weeks. On January 31, Claude Cowork — an AI workplace agent — triggered a selloff that wiped roughly $285 billion from SaaS stocks. ServiceNow fell 7.6%. Salesforce dropped 7%. LegalZoom lost 20%. Two products. Two sectors. One company. What Claude Code Security actually does The tool connects to GitHub repositories and scans codebases using Anthropic's Opus 4.6 model. It detects input filtering gaps