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600+ pattern AI agent security defense covering prompt injection, supply chain injection, memory poisoning, action gate bypass, unicode steganography, and…
Prompt Guard v3.5.0 Advanced AI agent runtime security. Works 100% offline with 600+ bundled patterns. Optional API for early-access and premium patterns. What's New in v3.5.0 Runtime Security Expansion — 5 new attack surface categories: 🔗 Supply Chain Skill Injection (CRITICAL) — Malicious community skills with hidden curl/wget/eval, base64 payloads, credential exfil to webhook.site/ngrok 🧠 Memory Poisoning Defense (HIGH) — Blocks attempts to inject into MEMORY.md, AGENTS.md, SOUL.md 🚪 Action Gate Bypass Detection (HIGH) — Financial transfers, credential export, access control changes, destructive actions without approval 🔤 Unicode Steganography (HIGH) — Bidi overrides (U+202A-E), zero-width chars, line/paragraph separators 💥 Cascade Amplification Guard (MEDIUM) — Infinite sub-agent spawning, recursive loops, cost explosion Previous: v3.4.0
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