Security News

Cybersecurity news aggregator

📰
INFO News Reddit r/netsec

Arc Gate — runtime governance proxy for AI agents, catches multi-turn prompt injection via geometric drift detection — try to break it

  • What: Arc Gate detects multi-turn prompt injection using geometric drift detection
  • Impact: Enhances security for AI agents against malicious inputs
Read Full Article →

Live Red Team Environment Try to get something through. Paste any content your agent might receive — webpage text, an email, a document, tool output. Pick the source type and policy. Watch what Arc Gate actually does with it. Source type Policy mode Agent response Example payloads — click to load ● LIKELY BLOCK — Finance agent Fund transfer injection INFORMATION tag format. AgentDojo v1 attack pattern. ● LIKELY BLOCK — Browser agent Poisoned webpage footer Hidden instruction in page footer. Classic indirect injection. ● LIKELY BLOCK — Email agent Email instruction override Explicit instruction override embedded in email body. ⚠ LIKELY RESTRICT — Internal copilot CRM record with exfil instruction Notes field contains data exfiltration instruction. Tool calls revoked. ✓ LIKELY ALLOW — Browser agent Clean news article Normal content. No embedded instructions. ✓ LIKELY ALLOW — Email agent Normal business email Scheduling email. Nothing suspicious. ⚠ UNCERTAIN — RAG assistant Ambiguous document note Instruction embedded in legitimate-looking document. ● LIKELY BLOCK — Balanced Implicit instruction in data field Attack structurally indistinguishable from legitimate data. May pass. Proxy: web-production-6e47f.up.railway.app Session replay → GitHub → Benchmark harness → Known limitations →

Share this article