diff --git a/README.md b/README.md
index e9d6fd2..14608d1 100644
--- a/README.md
+++ b/README.md
@@ -1,6 +1,9 @@
-# spire-openstack-plugin
+# spire-openstack-plugin (experimental)
 This repository contains the OpenStack based SPIRE plugins.
 
+**Not ready for a production release**
+
+See: [Security Consideration](doc/openstack-iid-attestor.md#security-consideration)
 
 ## Node Attestor 'openstack-iid' Plugin
 
@@ -16,4 +19,4 @@ The `openstack_iid` attestor is a plugin for the SPIRE Agent and SPIRE Server th
 
 ## LICENSE
 
-This software is released under the MIT License.
\ No newline at end of file
+This software is released under the MIT License.