diff --git a/src/Controller/GameController.php b/src/Controller/GameController.php
index 55caf22..db6b35c 100644
--- a/src/Controller/GameController.php
+++ b/src/Controller/GameController.php
@@ -2,7 +2,7 @@
 
 use DateTime;
 use Faker\Factory;
-use SokoWeb\Interfaces\Authorization\ISecured;
+use SokoWeb\Interfaces\Authentication\IAuthenticationRequired;
 use SokoWeb\Interfaces\Request\IRequest;
 use SokoWeb\Response\HtmlContent;
 use SokoWeb\Response\JsonContent;
@@ -21,7 +21,7 @@ use MapGuesser\Repository\PlaceRepository;
 use MapGuesser\Repository\UserInChallengeRepository;
 use SokoWeb\Response\Redirect;
 
-class GameController implements ISecured
+class GameController implements IAuthenticationRequired
 {
     const NUMBER_OF_ROUNDS = 5;
 
@@ -53,9 +53,9 @@ class GameController implements ISecured
         $this->userInChallengeRepository = new UserInChallengeRepository();
     }
 
-    public function authorize(): bool
+    public function isAuthenticationRequired(): bool
     {
-        return !empty($_ENV['ENABLE_GAME_FOR_GUESTS']) || $this->request->user() !== null;
+        return empty($_ENV['ENABLE_GAME_FOR_GUESTS']);
     }
 
     public function getGame(): IContent
diff --git a/src/Controller/GameFlowController.php b/src/Controller/GameFlowController.php
index 9ef5cb2..da076a8 100644
--- a/src/Controller/GameFlowController.php
+++ b/src/Controller/GameFlowController.php
@@ -1,7 +1,7 @@
 <?php namespace MapGuesser\Controller;
 
 use DateTime;
-use SokoWeb\Interfaces\Authorization\ISecured;
+use SokoWeb\Interfaces\Authentication\IAuthenticationRequired;
 use SokoWeb\Interfaces\Request\IRequest;
 use MapGuesser\Util\Geo\Position;
 use SokoWeb\Response\JsonContent;
@@ -15,17 +15,14 @@ use MapGuesser\PersistentData\Model\Place;
 use MapGuesser\PersistentData\Model\PlaceInChallenge;
 use MapGuesser\PersistentData\Model\User;
 use MapGuesser\PersistentData\Model\UserPlayedPlace;
-use MapGuesser\Repository\ChallengeRepository;
 use MapGuesser\Repository\GuessRepository;
-use MapGuesser\Repository\MapRepository;
 use MapGuesser\Repository\MultiRoomRepository;
 use MapGuesser\Repository\PlaceInChallengeRepository;
 use MapGuesser\Repository\PlaceRepository;
 use MapGuesser\Repository\UserInChallengeRepository;
 use MapGuesser\Repository\UserPlayedPlaceRepository;
-use MapGuesser\Repository\UserRepository;
 
-class GameFlowController implements ISecured
+class GameFlowController implements IAuthenticationRequired
 {
     const NUMBER_OF_ROUNDS = 5;
     const MAX_SCORE = 1000;
@@ -61,9 +58,9 @@ class GameFlowController implements ISecured
         $this->guessRepository = new GuessRepository();
     }
 
-    public function authorize(): bool
+    public function isAuthenticationRequired(): bool
     {
-        return !empty($_ENV['ENABLE_GAME_FOR_GUESTS']) || $this->request->user() !== null;
+        return empty($_ENV['ENABLE_GAME_FOR_GUESTS']);
     }
 
     public function initialData(): IContent
diff --git a/src/Controller/MapAdminController.php b/src/Controller/MapAdminController.php
index 8d5656e..47a972f 100644
--- a/src/Controller/MapAdminController.php
+++ b/src/Controller/MapAdminController.php
@@ -2,6 +2,7 @@
 
 use DateTime;
 use SokoWeb\Interfaces\Authentication\IUser;
+use SokoWeb\Interfaces\Authentication\IAuthenticationRequired;
 use SokoWeb\Interfaces\Authorization\ISecured;
 use SokoWeb\Interfaces\Request\IRequest;
 use SokoWeb\Interfaces\Response\IContent;
@@ -22,7 +23,7 @@ use SokoWeb\Response\JsonContent;
 use MapGuesser\Util\Geo\Bounds;
 use MapGuesser\Util\Panorama\Pov;
 
-class MapAdminController implements ISecured
+class MapAdminController implements IAuthenticationRequired, ISecured
 {
     private static string $unnamedMapName = '[unnamed map]';
 
@@ -57,11 +58,14 @@ class MapAdminController implements ISecured
         $this->userInChallengeRepository = new UserInChallengeRepository();
     }
 
+    public function isAuthenticationRequired(): bool
+    {
+        return true;
+    }
+
     public function authorize(): bool
     {
-        $user = $this->request->user();
-
-        return $user !== null && $user->hasPermission(IUser::PERMISSION_ADMIN);
+        return $this->request->user()->hasPermission(IUser::PERMISSION_ADMIN);
     }
 
     public function getMapEditor(): IContent
diff --git a/src/Controller/UserController.php b/src/Controller/UserController.php
index 9a7cdb6..4988797 100644
--- a/src/Controller/UserController.php
+++ b/src/Controller/UserController.php
@@ -2,7 +2,7 @@
 
 use DateTime;
 use SokoWeb\Http\Request;
-use SokoWeb\Interfaces\Authorization\ISecured;
+use SokoWeb\Interfaces\Authentication\IAuthenticationRequired;
 use SokoWeb\Interfaces\Request\IRequest;
 use SokoWeb\Interfaces\Response\IContent;
 use SokoWeb\Interfaces\Response\IRedirect;
@@ -19,7 +19,7 @@ use SokoWeb\Response\JsonContent;
 use SokoWeb\Response\Redirect;
 use SokoWeb\Util\JwtParser;
 
-class UserController implements ISecured
+class UserController implements IAuthenticationRequired
 {
     private IRequest $request;
 
@@ -46,11 +46,9 @@ class UserController implements ISecured
         $this->guessRepository = new GuessRepository();
     }
 
-    public function authorize(): bool
+    public function isAuthenticationRequired(): bool
     {
-        $user = $this->request->user();
-
-        return $user !== null;
+        return true;
     }
 
     public function getAccount(): IContent