diff --git a/classes/security/Security.class.php b/classes/security/Security.class.php
index ee052573e..15d07abf4 100644
--- a/classes/security/Security.class.php
+++ b/classes/security/Security.class.php
@@ -3,6 +3,7 @@
 /**
  * Security class
  *
+ * @deprecated
  * @author NAVER (developers@xpressengine.com)
  */
 class Security