diff --git a/directory/security.md b/directory/security.md
index 4b9b842..7a7fdc8 100644
--- a/directory/security.md
+++ b/directory/security.md
@@ -50,6 +50,7 @@ Security tools, spending controls, audit resources, and best practices for x402
 
 - [Revettr](https://revettr.com/.well-known/x402.json) — Counterparty risk scoring for x402 agentic commerce. Scores wallet addresses, domains, IPs, and companies 0-100 for payment safety.
 - [MoltGuard](https://api.moltrust.ch/.well-known/x402.json) — Agent trust scoring (0-100), Sybil detection with funding cluster analysis, Polymarket integrity, Ed25519 Verifiable Credentials. 7 MCP tools. $0.005-$0.05 USDC on Base.
+- [ChainWard](https://api.chainward.ai/.well-known/x402) — Evidence-linked on-chain risk report for a Base or BNB Chain address before an agent pays it, $0.05 USDC on Base per call (`GET /api/risk/x402?address=0xADDRESS`, add `&chain=bsc` for BNB Chain), never charged when the check fails.
 
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