diff --git a/OwnChar/Manager/OwnCharManager.cs b/OwnChar/Manager/OwnCharManager.cs
index cf30ebc..827bbd7 100644
--- a/OwnChar/Manager/OwnCharManager.cs
+++ b/OwnChar/Manager/OwnCharManager.cs
@@ -42,7 +42,7 @@ namespace OwnChar.Manager
             ArgumentException.ThrowIfNullOrWhiteSpace(username, nameof(username));
             ArgumentException.ThrowIfNullOrWhiteSpace(password, nameof(password));
 
-            CurrentUser = proxy.Login(username, password);
+            CurrentUser = proxy.Login(username, Utils.HashPassword(username, password));
 
             return IsLoggedIn;
         }
diff --git a/OwnChar/Manager/UserManager.cs b/OwnChar/Manager/UserManager.cs
index efd3b03..f0f759e 100644
--- a/OwnChar/Manager/UserManager.cs
+++ b/OwnChar/Manager/UserManager.cs
@@ -1,4 +1,5 @@
 using OwnChar.Model;
+using Pilz.Cryptography;
 
 namespace OwnChar.Manager
 {
@@ -12,11 +13,11 @@ namespace OwnChar.Manager
             return Manager.DataProxy!.GetUserProfile(Manager.CurrentUser!);
         }
 
-        public UserAccount? CreateUserAccount(string? username, string? password)
+        public UserAccount? CreateUserAccount(string? username, SecureString? password)
         {
             ArgumentException.ThrowIfNullOrWhiteSpace(username, nameof(username));
             ArgumentException.ThrowIfNullOrWhiteSpace(password, nameof(password));
-            return Manager.DataProxy?.CreateUserAccount(username, password);
+            return Manager.DataProxy?.CreateUserAccount(username, Utils.HashPassword(username, password));
         }
     }
 }
diff --git a/OwnChar/Utils.cs b/OwnChar/Utils.cs
index 046e052..bfb072c 100644
--- a/OwnChar/Utils.cs
+++ b/OwnChar/Utils.cs
@@ -1,8 +1,10 @@
-namespace OwnChar
+using Pilz.Cryptography;
+
+namespace OwnChar
 {
     public static class Utils
     {
-        public static string HashPassword(string username, string password)
+        public static string HashPassword(string username, SecureString password)
         {
             // TODO: Implement a good hasing algorythmus (like MD5) BEFORE going productive!
             return (username + ":" + password).GetHashCode().ToString();