diff --git a/sros2/sros2/policy/defaults/dds/governance.xml b/sros2/sros2/policy/defaults/dds/governance.xml
index 24aedcbe..32a70361 100644
--- a/sros2/sros2/policy/defaults/dds/governance.xml
+++ b/sros2/sros2/policy/defaults/dds/governance.xml
@@ -10,7 +10,7 @@
             <enable_join_access_control>true</enable_join_access_control>
             <discovery_protection_kind>ENCRYPT</discovery_protection_kind>
             <liveliness_protection_kind>ENCRYPT</liveliness_protection_kind>
-            <rtps_protection_kind>SIGN</rtps_protection_kind>
+            <rtps_protection_kind>ENCRYPT</rtps_protection_kind>
             <topic_access_rules>
                 <topic_rule>
                     <topic_expression>*</topic_expression>