diff --git a/src/Squidex.Core/Identity/SquidexClaimTypes.cs b/src/Squidex.Core/Identity/SquidexClaimTypes.cs
index 820a75f1a..cd6c79d0f 100644
--- a/src/Squidex.Core/Identity/SquidexClaimTypes.cs
+++ b/src/Squidex.Core/Identity/SquidexClaimTypes.cs
@@ -13,5 +13,7 @@ namespace Squidex.Core.Identity
         public const string SquidexDisplayName = "urn:squidex:name";
 
         public const string SquidexPictureUrl = "urn:squidex:picture";
+
+        public const string Prefix = "urn:squidex:";
     }
 }
diff --git a/src/Squidex.Read.MongoDb/Users/MongoUserEntity.cs b/src/Squidex.Read.MongoDb/Users/MongoUserEntity.cs
index 029fa7138..7a2d3c9b1 100644
--- a/src/Squidex.Read.MongoDb/Users/MongoUserEntity.cs
+++ b/src/Squidex.Read.MongoDb/Users/MongoUserEntity.cs
@@ -6,9 +6,9 @@
 //  All rights reserved.
 // ==========================================================================
 
+using System;
 using Microsoft.AspNetCore.Identity.MongoDB;
 using Squidex.Core.Identity;
-using Squidex.Infrastructure.Security;
 using Squidex.Read.Users;
 
 namespace Squidex.Read.MongoDb.Users
@@ -31,12 +31,16 @@ namespace Squidex.Read.MongoDb.Users
         {
             get { return inner.Claims.Find(x => x.Type == SquidexClaimTypes.SquidexDisplayName)?.Value; }
         }
-
         public string PictureUrl
         {
             get { return inner.Claims.Find(x => x.Type == SquidexClaimTypes.SquidexPictureUrl)?.Value; }
         }
 
+        public bool IsLocked
+        {
+            get { return inner.LockoutEndDateUtc != null && inner.LockoutEndDateUtc.Value > DateTime.UtcNow; }
+        }
+
         public MongoUserEntity(IdentityUser inner)
         {
             this.inner = inner;
diff --git a/src/Squidex.Read/Users/IUserEntity.cs b/src/Squidex.Read/Users/IUserEntity.cs
index 19279c485..50cb41ada 100644
--- a/src/Squidex.Read/Users/IUserEntity.cs
+++ b/src/Squidex.Read/Users/IUserEntity.cs
@@ -17,5 +17,7 @@ namespace Squidex.Read.Users
         string PictureUrl { get; }
 
         string DisplayName { get; }
+
+        bool IsLocked { get; }
     }
 }