diff --git a/calsocial/security.py b/calsocial/security.py
index 7c9310a..7a45923 100644
--- a/calsocial/security.py
+++ b/calsocial/security.py
@@ -18,6 +18,7 @@
 """
 
 from flask import current_app
+from flask_login.signals import user_logged_in
 from flask_security import Security, AnonymousUser as BaseAnonymousUser
 
 security = Security()
@@ -33,3 +34,13 @@ class AnonymousUser(BaseAnonymousUser):
         """
 
         return current_app.timezone
+
+
+@user_logged_in.connect
+def login_handler(app, user):
+    """Signal handler to be called when a user successfully logs in
+    """
+
+    from .models import AuditLog
+
+    AuditLog.log(user, AuditLog.TYPE_LOGIN_SUCCESS)