diff --git a/code/CodeTester.cpp b/code/CodeTester.cpp
index 250647824..5e3c15c20 100644
--- a/code/CodeTester.cpp
+++ b/code/CodeTester.cpp
@@ -323,6 +323,10 @@ bool permissions_test(
     part_attr.properties.properties().emplace_back(
         "dds.sec.access.builtin.Access-Permissions.permissions",
         permissions_file);
+
+    // Activate Crypto:AES-GCM-GMAC plugin (all three security plugins must be configured together)
+    part_attr.properties.properties().emplace_back("dds.sec.crypto.plugin",
+            "builtin.AES-GCM-GMAC");
     RTPSParticipant* participant = RTPSDomain::createParticipant(0, part_attr);
     if (participant != nullptr)
     {
diff --git a/code/DDSCodeTester.cpp b/code/DDSCodeTester.cpp
index 54c52283d..28595d61a 100644
--- a/code/DDSCodeTester.cpp
+++ b/code/DDSCodeTester.cpp
@@ -8126,6 +8126,10 @@ bool dds_permissions_test(
         "dds.sec.access.builtin.Access-Permissions.permissions",
         permissions_file);
 
+    // Activate Crypto:AES-GCM-GMAC plugin (all three security plugins must be configured together)
+    pqos.properties().properties().emplace_back("dds.sec.crypto.plugin",
+            "builtin.AES-GCM-GMAC");
+
     DomainParticipant* domain_participant =
             DomainParticipantFactory::get_instance()->create_participant(1, pqos);
     if (nullptr != domain_participant)