diff --git a/frontend/services/dto/audit-log.ts b/frontend/services/dto/audit-log.ts
index 5db48ae..b9ab42c 100644
--- a/frontend/services/dto/audit-log.ts
+++ b/frontend/services/dto/audit-log.ts
@@ -8,5 +8,9 @@ export type AuditLog = {
   description: string
   changes: { old?: Record<string, unknown>; new?: Record<string, unknown> } | null
   affectedDate: string | null
+  ipAddress: string | null
+  userAgent: string | null
+  deviceLabel: string | null
+  deviceId: string | null
   createdAt: string
 }
diff --git a/src/Repository/AuditLogRepository.php b/src/Repository/AuditLogRepository.php
index 8d9ea09..50215a2 100644
--- a/src/Repository/AuditLogRepository.php
+++ b/src/Repository/AuditLogRepository.php
@@ -5,6 +5,7 @@ declare(strict_types=1);
 namespace App\Repository;
 
 use App\Entity\AuditLog;
+use App\Repository\Contract\AuditLogReadRepositoryInterface;
 use DateTimeImmutable;
 use Doctrine\Bundle\DoctrineBundle\Repository\ServiceEntityRepository;
 use Doctrine\Persistence\ManagerRegistry;
@@ -12,7 +13,7 @@ use Doctrine\Persistence\ManagerRegistry;
 /**
  * @extends ServiceEntityRepository<AuditLog>
  */
-final class AuditLogRepository extends ServiceEntityRepository
+final class AuditLogRepository extends ServiceEntityRepository implements AuditLogReadRepositoryInterface
 {
     public function __construct(ManagerRegistry $registry)
     {
diff --git a/src/Repository/Contract/AuditLogReadRepositoryInterface.php b/src/Repository/Contract/AuditLogReadRepositoryInterface.php
new file mode 100644
index 0000000..82ece79
--- /dev/null
+++ b/src/Repository/Contract/AuditLogReadRepositoryInterface.php
@@ -0,0 +1,30 @@
+<?php
+
+declare(strict_types=1);
+
+namespace App\Repository\Contract;
+
+use App\Entity\AuditLog;
+use DateTimeImmutable;
+
+interface AuditLogReadRepositoryInterface
+{
+    /**
+     * @return list<AuditLog>
+     */
+    public function findByFilters(
+        ?int $employeeId = null,
+        ?DateTimeImmutable $from = null,
+        ?DateTimeImmutable $to = null,
+        ?string $entityType = null,
+        int $limit = 50,
+        int $offset = 0,
+    ): array;
+
+    public function countByFilters(
+        ?int $employeeId = null,
+        ?DateTimeImmutable $from = null,
+        ?DateTimeImmutable $to = null,
+        ?string $entityType = null,
+    ): int;
+}
diff --git a/src/State/AuditLogProvider.php b/src/State/AuditLogProvider.php
index bd8be04..9736030 100644
--- a/src/State/AuditLogProvider.php
+++ b/src/State/AuditLogProvider.php
@@ -6,7 +6,7 @@ namespace App\State;
 
 use ApiPlatform\Metadata\Operation;
 use ApiPlatform\State\ProviderInterface;
-use App\Repository\AuditLogRepository;
+use App\Repository\Contract\AuditLogReadRepositoryInterface;
 use DateTimeImmutable;
 use DateTimeZone;
 use Symfony\Component\HttpFoundation\JsonResponse;
@@ -18,7 +18,7 @@ class AuditLogProvider implements ProviderInterface
 
     public function __construct(
         private readonly RequestStack $requestStack,
-        private readonly AuditLogRepository $auditLogRepository,
+        private readonly AuditLogReadRepositoryInterface $auditLogRepository,
     ) {}
 
     public function provide(Operation $operation, array $uriVariables = [], array $context = []): JsonResponse
@@ -60,6 +60,10 @@ class AuditLogProvider implements ProviderInterface
                 'description'  => $log->getDescription(),
                 'changes'      => $log->getChanges(),
                 'affectedDate' => $log->getAffectedDate()?->format('Y-m-d'),
+                'ipAddress'    => $log->getIpAddress(),
+                'userAgent'    => $log->getUserAgent(),
+                'deviceLabel'  => $log->getDeviceLabel(),
+                'deviceId'     => $log->getDeviceId(),
                 'createdAt'    => $log->getCreatedAt()->setTimezone(new DateTimeZone('Europe/Paris'))->format('Y-m-d H:i:s'),
             ];
         }
diff --git a/tests/State/AuditLogProviderTest.php b/tests/State/AuditLogProviderTest.php
new file mode 100644
index 0000000..0b9b442
--- /dev/null
+++ b/tests/State/AuditLogProviderTest.php
@@ -0,0 +1,51 @@
+<?php
+
+declare(strict_types=1);
+
+namespace App\Tests\State;
+
+use ApiPlatform\Metadata\Operation;
+use App\Entity\AuditLog;
+use App\Repository\Contract\AuditLogReadRepositoryInterface;
+use App\State\AuditLogProvider;
+use PHPUnit\Framework\TestCase;
+use Symfony\Component\HttpFoundation\Request;
+use Symfony\Component\HttpFoundation\RequestStack;
+
+/**
+ * @internal
+ */
+final class AuditLogProviderTest extends TestCase
+{
+    public function testProvideExposesForensicFields(): void
+    {
+        $log = new AuditLog()
+            ->setUsername('usine')
+            ->setAction('create')
+            ->setEntityType('work_hour')
+            ->setDescription('desc')
+            ->setIpAddress('203.0.113.7')
+            ->setUserAgent('UA-string')
+            ->setDeviceLabel('Mobile · Android · Chrome')
+            ->setDeviceId('device-abc')
+        ;
+
+        $repo = $this->createMock(AuditLogReadRepositoryInterface::class);
+        $repo->method('countByFilters')->willReturn(1);
+        $repo->method('findByFilters')->willReturn([$log]);
+
+        $stack = new RequestStack();
+        $stack->push(Request::create('/api/audit-logs', 'GET'));
+
+        $provider = new AuditLogProvider($stack, $repo);
+        $response = $provider->provide($this->createMock(Operation::class));
+
+        $data = json_decode((string) $response->getContent(), true);
+        $item = $data['items'][0];
+
+        self::assertSame('203.0.113.7', $item['ipAddress']);
+        self::assertSame('UA-string', $item['userAgent']);
+        self::assertSame('Mobile · Android · Chrome', $item['deviceLabel']);
+        self::assertSame('device-abc', $item['deviceId']);
+    }
+}