Post #233988 1.83K Oct 15, 2026, 14:46 UTC Prompt injection in HTTP headers: what 217M web responses showArticle, Comments Signals Corps Prompt injection in HTTP headers | Signals Corps Our Common Crawl scan found 7,959 sites sending HTTP headers aimed at AI agents, including 30 injection attempts. See what they say and how to defend agents. 🔥 10 🫡 9 🌭 1