diff --git a/SECURITY.md b/SECURITY.md
new file mode 100644
index 0000000..ce03933
--- /dev/null
+++ b/SECURITY.md
@@ -0,0 +1,11 @@
+# Security Policy
+
+⚠️ **DISCLAIMER — DEMO CODE, NOT PRODUCTION-READY**
+
+The repositories in this organization contain workshop/demo code, provided
+**as-is and without warranty of any kind**. This code has received only basic
+security review and **may contain known, unpatched vulnerabilities**, including
+in its third-party dependencies. **Do not deploy it to production.** If you copy
+or adapt any of this code, run your own security testing first — including
+dependency and **supply-chain** vulnerability scanning (e.g. Dependabot,
+`npm audit`, `pip-audit`) — and patch before use.
diff --git a/profile/README.md b/profile/README.md
index e9da617..dbba66d 100644
--- a/profile/README.md
+++ b/profile/README.md
@@ -2,4 +2,8 @@
 
 Radius Workshop is a public Github organization where the Radius Product team explores and experiments with new concepts, frameworks, and technologies.
 
+---
+
+> ⚠️ **Demo code — not production-ready.** Provided as-is, without warranty, and may contain known, unpatched vulnerabilities (including in dependencies). If you reuse it, run your own security and supply-chain scans and patch before deploying.
+
 <sub>https://www.radiustech.xyz</sub>