diff --git a/doc/releasenotes.md b/doc/releasenotes.md
index b4e83af4302cfbdabfd51a005eb4a43d81a228f6..55d1f467a4a02b9e10ab35e5e2a6d12ce331e43d 100644
--- a/doc/releasenotes.md
+++ b/doc/releasenotes.md
@@ -6,6 +6,12 @@
 
 - **setuptools** python library updated to version 80.9.0 due to a security issue detected.
 
+#### **Fixed Security Service**
+
+- The problem of an invoker not being able to create the security context for one API when it already had one for another API has been resolved.
+- The priority of use of the security methods supported by an API has been established depending on whether they are specified in the AEF profile or in the interface description in the security context creation request.
+- An error has been corrected that prevented the PSK from being generated correctly when the AEF ID was used in the security context creation request instead of the interface description.
+
 #### **Improved helm and tools scripts**
 
 Helm scripts under helm/scripts directory are improved with next features: