AnalysisCybersecurityOctober 15, 2026

Study finds 7,959 sites send AI-directed HTTP headers

Read original source →signalscorps.com

Scanning 217,097,223 Common Crawl responses, researchers found 7,959 sites sending headers aimed at AI systems; 6,989 used x-llms-txt to point agents to resources like llms.txt files or MCP servers. Only 30 sites attempted injection, 24 via an X-AI header, and most were pranks.

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