diff --git a/core/api/src/main/java/org/onosproject/security/AppGuard.java b/core/api/src/main/java/org/onosproject/security/AppGuard.java
index 800135f..4b80dfc 100644
--- a/core/api/src/main/java/org/onosproject/security/AppGuard.java
+++ b/core/api/src/main/java/org/onosproject/security/AppGuard.java
@@ -17,9 +17,12 @@
 package org.onosproject.security;
 
 
+import com.google.common.annotations.Beta;
+
 /**
  * Aids SM-ONOS to perform API-level permission checking.
  */
+@Beta
 public final class AppGuard {
 
     private AppGuard() {
diff --git a/core/api/src/main/java/org/onosproject/security/AppPermission.java b/core/api/src/main/java/org/onosproject/security/AppPermission.java
index 21a70d2..09fe17a 100644
--- a/core/api/src/main/java/org/onosproject/security/AppPermission.java
+++ b/core/api/src/main/java/org/onosproject/security/AppPermission.java
@@ -16,11 +16,14 @@
 
 package org.onosproject.security;
 
+import com.google.common.annotations.Beta;
+
 import java.security.BasicPermission;
 
 /**
  * Implementation of API access permission.
  */
+@Beta
 public class AppPermission extends BasicPermission {
 
     public enum Type {
diff --git a/core/api/src/main/java/org/onosproject/security/Permission.java b/core/api/src/main/java/org/onosproject/security/Permission.java
index 75d9433..0c874c9 100644
--- a/core/api/src/main/java/org/onosproject/security/Permission.java
+++ b/core/api/src/main/java/org/onosproject/security/Permission.java
@@ -16,6 +16,9 @@
 
 package org.onosproject.security;
 
+import com.google.common.annotations.Beta;
+
+@Beta
 public class Permission {
 
     protected String classname;
diff --git a/core/api/src/main/java/org/onosproject/security/SecurityAdminService.java b/core/api/src/main/java/org/onosproject/security/SecurityAdminService.java
index 16ea94d..30d143c 100644
--- a/core/api/src/main/java/org/onosproject/security/SecurityAdminService.java
+++ b/core/api/src/main/java/org/onosproject/security/SecurityAdminService.java
@@ -16,6 +16,7 @@
 
 package org.onosproject.security;
 
+import com.google.common.annotations.Beta;
 import org.onosproject.core.ApplicationId;
 
 import java.security.Permission;
@@ -25,6 +26,7 @@
 /**
  * Security-Mode ONOS service.
  */
+@Beta
 public interface SecurityAdminService {
 
     /**
diff --git a/core/api/src/main/java/org/onosproject/security/SecurityUtil.java b/core/api/src/main/java/org/onosproject/security/SecurityUtil.java
index 34b4e78..444b6bb 100644
--- a/core/api/src/main/java/org/onosproject/security/SecurityUtil.java
+++ b/core/api/src/main/java/org/onosproject/security/SecurityUtil.java
@@ -16,6 +16,7 @@
 
 package org.onosproject.security;
 
+import com.google.common.annotations.Beta;
 import org.onlab.osgi.DefaultServiceDirectory;
 import org.onlab.osgi.ServiceDirectory;
 import org.onlab.osgi.ServiceNotFoundException;
@@ -24,6 +25,7 @@
 /**
  * Utility class to aid Security-Mode ONOS.
  */
+@Beta
 public final class SecurityUtil {
 
     protected static ServiceDirectory serviceDirectory = new DefaultServiceDirectory();