diff --git a/CHANGELOG b/CHANGELOG
index 20cb4d0..05a5966 100644
--- a/CHANGELOG
+++ b/CHANGELOG
@@ -1,6 +1,7 @@
 3.9.0 (unreleased):
     * Feature: (SF6.2+) Supports automatic value resolving in controllers (with or without MapEntity), see [https://github.com/symfony/symfony/blob/7.2/src/Symfony/Bridge/Doctrine/ArgumentResolver/EntityValueResolver.php](Doctrine Bridge)
     * Feature: supports serializer options in attributes
+    * Feature: Support UserProvider
 
 3.8.2 (2025-01-09):
     * Fix: better detection for Uuid subclasses in autowiring
diff --git a/composer.json b/composer.json
index f2821db..4012097 100644
--- a/composer.json
+++ b/composer.json
@@ -18,6 +18,7 @@
         "atoum/stubs": "^2.2",
         "brick/geo": ">=0.5 <=1.0",
         "symfony/expression-language": "^6.3 || ^7.2",
+        "symfony/security-bundle": "^6.0 || ^7.0",
         "symfony/uid": "^6.0 || ^7.0"
     },
     "autoload": {
diff --git a/src/TingBundle/DependencyInjection/EntityFactory.php b/src/TingBundle/DependencyInjection/EntityFactory.php
new file mode 100644
index 0000000..6ab1088
--- /dev/null
+++ b/src/TingBundle/DependencyInjection/EntityFactory.php
@@ -0,0 +1,39 @@
+<?php
+
+namespace CCMBenchmark\TingBundle\DependencyInjection;
+
+use Symfony\Bundle\SecurityBundle\DependencyInjection\Security\UserProvider\UserProviderFactoryInterface;
+use Symfony\Component\Config\Definition\Builder\NodeDefinition;
+use Symfony\Component\DependencyInjection\ChildDefinition;
+use Symfony\Component\DependencyInjection\ContainerBuilder;
+
+class EntityFactory implements UserProviderFactoryInterface
+{
+    public function create(ContainerBuilder $container, string $id, array $config): void
+    {
+        $container
+            ->setDefinition($id, new ChildDefinition('ting.security.user_provider'))
+            ->addArgument($config['class'])
+            ->addArgument($config['property'])
+        ;
+    }
+
+    public function getKey(): string
+    {
+        return 'ting';
+    }
+
+    public function addConfiguration(NodeDefinition $builder): void
+    {
+        $builder
+            ->children()
+                ->scalarNode('class')
+                    ->isRequired()
+                    ->info('The full entity class name of your user class.')
+                    ->cannotBeEmpty()
+                ->end()
+                ->scalarNode('property')->defaultNull()->end()
+            ->end()
+        ;
+    }
+}
diff --git a/src/TingBundle/Resources/config/services.xml b/src/TingBundle/Resources/config/services.xml
index 00c0da4..e4335e1 100644
--- a/src/TingBundle/Resources/config/services.xml
+++ b/src/TingBundle/Resources/config/services.xml
@@ -106,6 +106,11 @@
             <argument type="service" id="ting" />
             <tag name="validator.constraint_validator" />
         </service>
+
+        <service id="ting.security.user_provider" abstract="true" class="CCMBenchmark\TingBundle\Security\EntityUserProvider">
+            <argument type="service" id="ting.metadatarepository" />
+            <argument type="service" id="ting" />
+        </service>
         
         <service id="ting.entity_value_resolver" class="CCMBenchmark\TingBundle\ArgumentResolver\EntityValueResolver">
             <tag name="controller.argument_value_resolver" priority="110" />
diff --git a/src/TingBundle/Security/EntityUserProvider.php b/src/TingBundle/Security/EntityUserProvider.php
new file mode 100644
index 0000000..3c72461
--- /dev/null
+++ b/src/TingBundle/Security/EntityUserProvider.php
@@ -0,0 +1,137 @@
+<?php
+
+namespace CCMBenchmark\TingBundle\Security;
+
+use CCMBenchmark\Ting\MetadataRepository;
+use CCMBenchmark\Ting\Repository\Metadata;
+use CCMBenchmark\Ting\Repository\Repository;
+use CCMBenchmark\TingBundle\Repository\RepositoryFactory;
+use Symfony\Component\Security\Core\Exception\UnsupportedUserException;
+use Symfony\Component\Security\Core\Exception\UserNotFoundException;
+use Symfony\Component\Security\Core\User\PasswordAuthenticatedUserInterface;
+use Symfony\Component\Security\Core\User\PasswordUpgraderInterface;
+use Symfony\Component\Security\Core\User\UserInterface;
+use Symfony\Component\Security\Core\User\UserProviderInterface;
+
+/**
+ * @template TUser of UserInterface
+ *
+ * @template-implements UserProviderInterface<TUser>
+ */
+class EntityUserProvider implements UserProviderInterface, PasswordUpgraderInterface
+{
+    public function __construct(
+        private readonly MetadataRepository $metadataRepository,
+        private readonly RepositoryFactory  $repositoryFactory,
+        private readonly string             $class,
+        private readonly ?string            $property = null,
+    ) {
+    }
+
+    public function loadUserByIdentifier(string $identifier): UserInterface
+    {
+        $repository = $this->getRepository();
+        if (null !== $this->property) {
+            $user = $repository->getOneBy([$this->property => $identifier]);
+        } else {
+            if (!$repository instanceof UserLoaderInterface) {
+                throw new \InvalidArgumentException(\sprintf('You must either make the "%s" entity Ting Repository ("%s") implement "CCMBenchmark\TingBundle\Security\UserLoaderInterface" or set the "property" option in the corresponding entity provider configuration.', $this->class, get_debug_type($repository)));
+            }
+
+            $user = $repository->loadUserByIdentifier($identifier);
+        }
+
+        if (null === $user) {
+            $e = new UserNotFoundException(\sprintf('User "%s" not found.', $identifier));
+            $e->setUserIdentifier($identifier);
+
+            throw $e;
+        }
+
+        return $user;
+    }
+
+    public function refreshUser(UserInterface $user): UserInterface
+    {
+        if (!$user instanceof $this->class) {
+            throw new UnsupportedUserException(\sprintf('Instances of "%s" are not supported.', get_debug_type($user)));
+        }
+        
+        $repository = $this->getRepository();
+        if ($repository instanceof UserProviderInterface) {
+            $refreshedUser = $repository->refreshUser($user);
+        } else {
+            // The user must be reloaded via the primary key as all other data
+            // might have changed without proper persistence in the database.
+            // That's the case when the user has been changed by a form with
+            // validation errors.
+            if (!$id = $this->getIdentifierValues($user)) {
+                throw new \InvalidArgumentException('You cannot refresh a user from the EntityUserProvider that does not contain an identifier. The user object has to be serialized with its own identifier mapped by Ting.');
+            }
+
+            $refreshedUser = $repository->get($id);
+            if (null === $refreshedUser) {
+                $e = new UserNotFoundException('User with id '.json_encode($id).' not found.');
+                $e->setUserIdentifier(json_encode($id));
+
+                throw $e;
+            }
+        }
+
+        return $refreshedUser;
+    }
+
+    public function supportsClass(string $class): bool
+    {
+        return $class === $this->class || is_subclass_of($class, $this->class);
+    }
+
+    /**
+     * @final
+     */
+    public function upgradePassword(PasswordAuthenticatedUserInterface $user, string $newHashedPassword): void
+    {
+        if (!$user instanceof $this->class) {
+            throw new UnsupportedUserException(\sprintf('Instances of "%s" are not supported.', get_debug_type($user)));
+        }
+
+        $repository = $this->getRepository();
+        if ($repository instanceof PasswordUpgraderInterface) {
+            $repository->upgradePassword($user, $newHashedPassword);
+        }
+    }
+    
+    private function getMetadata(): Metadata
+    {
+        $metadata = null;
+        $this->metadataRepository->findMetadataForEntity($this->class, function (Metadata $innerMetadata) use (&$metadata) {
+            $metadata = $innerMetadata;
+        }, fn () => null);
+        
+        if ($metadata === null) {
+            throw new \InvalidArgumentException(\sprintf('No metadata found for entity "%s".', $this->class));
+        }
+        
+        return $metadata;
+    }
+
+    private function getRepository(): Repository
+    {
+        return $this->repositoryFactory->get($this->getMetadata()->getRepository());
+    }
+    
+    private function getIdentifierValues($user): ?array
+    {
+        $metadata = $this->getMetadata();
+        $primaries = $metadata->getPrimaries();
+        if ($primaries === []) {
+            return null;
+        }
+        $identifierValues = [];
+        foreach ($primaries as $primary) {
+            $identifierValues[$primary] = $metadata->getEntityPropertyByFieldName($user, $primary);
+        }
+        
+        return $identifierValues;
+    }
+}
diff --git a/src/TingBundle/Security/UserLoaderInterface.php b/src/TingBundle/Security/UserLoaderInterface.php
new file mode 100644
index 0000000..4064174
--- /dev/null
+++ b/src/TingBundle/Security/UserLoaderInterface.php
@@ -0,0 +1,15 @@
+<?php
+
+namespace CCMBenchmark\TingBundle\Security;
+
+use Symfony\Component\Security\Core\User\UserInterface;
+
+interface UserLoaderInterface
+{
+    /**
+     * Loads the user for the given user identifier (e.g. username or email).
+     *
+     * This method must return null if the user is not found.
+     */
+    public function loadUserByIdentifier(string $identifier): ?UserInterface;
+}
\ No newline at end of file
diff --git a/src/TingBundle/TingBundle.php b/src/TingBundle/TingBundle.php
index fce1b94..f2e2923 100644
--- a/src/TingBundle/TingBundle.php
+++ b/src/TingBundle/TingBundle.php
@@ -24,9 +24,20 @@
 
 namespace CCMBenchmark\TingBundle;
 
+use CCMBenchmark\TingBundle\DependencyInjection\EntityFactory;
+use Symfony\Component\DependencyInjection\ContainerBuilder;
 use Symfony\Component\HttpKernel\Bundle\Bundle;
 
 class TingBundle extends Bundle
 {
-    public const VERSION = '3.8';
+    public const VERSION = '3.9.0';
+
+    public function build(ContainerBuilder $container): void
+    {
+        parent::build($container);
+        
+        if ($container->hasExtension('security')) {
+            $container->getExtension('security')->addUserProviderFactory(new EntityFactory());
+        }
+    }
 }