diff --git a/applications/ldap/skMemberOf.ldif b/applications/ldap/skMemberOf.ldif
index fde3159..af4385b 100644
--- a/applications/ldap/skMemberOf.ldif
+++ b/applications/ldap/skMemberOf.ldif
@@ -55,10 +55,16 @@ olcAttributeTypes: ( 1.3.6.1.4.1.24441.1.9.1
     EQUALITY caseIgnoreIA5Match
     SYNTAX 1.3.6.1.4.1.1466.115.121.1.26{255}
   )
+olcAttributeTypes: ( 1.3.6.1.4.1.24441.1.10.1
+    NAME 'skSecure'
+    DESC '1 if secure'
+    EQUALITY caseIgnoreMatch
+    SYNTAX 1.3.6.1.4.1.1466.115.121.1.15
+  )
 olcObjectClasses: ( 1.3.6.1.4.1.24441.1.1.1
     NAME 'skPerson'
     DESC 'skynet person'
     SUP top AUXILIARY
     MUST ( skMail $ skCreated )
-    MAY ( skMemberOf $ skID $ skDiscord $ quotaEmail $ quotaDisk )
+    MAY ( skMemberOf $ skID $ skDiscord $ quotaEmail $ quotaDisk $ skSecure )
   )