diff --git a/composer-require-checker.json b/composer-require-checker.json
index 96393e83..c7a3e18e 100644
--- a/composer-require-checker.json
+++ b/composer-require-checker.json
@@ -1,5 +1,7 @@
 {
     "symbol-whitelist": [
+        "Yiisoft\\Auth\\AuthenticationMethodInterface",
+        "Yiisoft\\Auth\\IdentityInterface",
         "opcache_invalidate"
     ]
 }
diff --git a/composer.json b/composer.json
index fb2a4bce..8094b3b1 100644
--- a/composer.json
+++ b/composer.json
@@ -55,6 +55,7 @@
         "roave/infection-static-analysis-plugin": "^1.16",
         "spatie/phpunit-watcher": "^1.23",
         "vimeo/psalm": "^4.18",
+        "yiisoft/auth": "^3.0",
         "yiisoft/event-dispatcher": "^1.0",
         "yiisoft/log": "^2.0",
         "yiisoft/router-fastroute": "^2.0"
diff --git a/config/params.php b/config/params.php
index 4685330c..893655e2 100644
--- a/config/params.php
+++ b/config/params.php
@@ -7,12 +7,14 @@
 use Psr\Http\Client\ClientInterface;
 use Psr\Log\LoggerInterface;
 use Yiisoft\Assets\AssetLoaderInterface;
+use Yiisoft\Auth\AuthenticationMethodInterface;
 use Yiisoft\Cache\CacheInterface;
 use Yiisoft\Injector\Injector;
 use Yiisoft\Router\UrlMatcherInterface;
 use Yiisoft\Validator\ValidatorInterface;
 use Yiisoft\Yii\Debug\Collector\AssetCollector;
 use Yiisoft\Yii\Debug\Collector\AssetLoaderInterfaceProxy;
+use Yiisoft\Yii\Debug\Collector\AuthenticationMethodInterfaceProxy;
 use Yiisoft\Yii\Debug\Collector\CommandCollector;
 use Yiisoft\Yii\Debug\Collector\ConsoleAppInfoCollector;
 use Yiisoft\Yii\Debug\Collector\ContainerInterfaceProxy;
@@ -22,6 +24,7 @@
 use Yiisoft\Yii\Debug\Collector\HttpClientCollector;
 use Yiisoft\Yii\Debug\Collector\HttpClientInterfaceProxy;
 use Yiisoft\Yii\Debug\Collector\HttpStreamCollector;
+use Yiisoft\Yii\Debug\Collector\IdentityCollector;
 use Yiisoft\Yii\Debug\Collector\LogCollector;
 use Yiisoft\Yii\Debug\Collector\LoggerInterfaceProxy;
 use Yiisoft\Yii\Debug\Collector\MiddlewareCollector;
@@ -64,6 +67,7 @@
             MiddlewareCollector::class,
             AssetCollector::class,
             WebViewCollector::class,
+            IdentityCollector::class,
         ],
         'collectors.console' => [
             ConsoleAppInfoCollector::class,
@@ -79,6 +83,7 @@
             ValidatorInterface::class => [ValidatorInterfaceProxy::class, ValidatorCollector::class],
             AssetLoaderInterface::class => [AssetLoaderInterfaceProxy::class, AssetCollector::class],
             ClientInterface::class => [HttpClientInterfaceProxy::class, HttpClientCollector::class],
+            AuthenticationMethodInterface::class => [AuthenticationMethodInterfaceProxy::class, IdentityCollector::class],
             CacheInterface::class,
         ],
         'dumper.excludedClasses' => [
diff --git a/src/Collector/AuthenticationMethodInterfaceProxy.php b/src/Collector/AuthenticationMethodInterfaceProxy.php
new file mode 100644
index 00000000..36a50487
--- /dev/null
+++ b/src/Collector/AuthenticationMethodInterfaceProxy.php
@@ -0,0 +1,33 @@
+<?php
+
+declare(strict_types=1);
+
+namespace Yiisoft\Yii\Debug\Collector;
+
+use Psr\Http\Message\ResponseInterface;
+use Psr\Http\Message\ServerRequestInterface;
+use Yiisoft\Auth\AuthenticationMethodInterface;
+use Yiisoft\Auth\IdentityInterface;
+
+final class AuthenticationMethodInterfaceProxy implements AuthenticationMethodInterface
+{
+    public function __construct(private AuthenticationMethodInterface $decorated, private IdentityCollector $collector)
+    {
+    }
+
+    public function authenticate(ServerRequestInterface $request): ?IdentityInterface
+    {
+        $identity = null;
+        try {
+            $identity = $this->decorated->authenticate($request);
+        } finally {
+            $this->collector->collect($identity);
+        }
+        return $identity;
+    }
+
+    public function challenge(ResponseInterface $response): ResponseInterface
+    {
+        return $this->decorated->challenge($response);
+    }
+}
diff --git a/src/Collector/IdentityCollector.php b/src/Collector/IdentityCollector.php
new file mode 100644
index 00000000..5a7d6b8a
--- /dev/null
+++ b/src/Collector/IdentityCollector.php
@@ -0,0 +1,51 @@
+<?php
+
+declare(strict_types=1);
+
+namespace Yiisoft\Yii\Debug\Collector;
+
+use Yiisoft\Auth\IdentityInterface;
+
+final class IdentityCollector implements CollectorInterface, IndexCollectorInterface
+{
+    use CollectorTrait;
+
+    private array $identities = [];
+
+    public function getCollected(): array
+    {
+        return $this->identities;
+    }
+
+    public function collect(?IdentityInterface $identity): void
+    {
+        if (!$this->isActive()) {
+            return;
+        }
+
+        if ($identity === null) {
+            return;
+        }
+
+        $this->identities[] = [
+            'id' => $identity->getId(),
+            'class' => $identity::class,
+        ];
+    }
+
+    private function reset(): void
+    {
+        $this->identities = [];
+    }
+
+    public function getIndexData(): array
+    {
+        $lastIdentity = end($this->identities);
+        return [
+            'identity' => [
+                'lastId' => is_array($lastIdentity) ? $lastIdentity['id'] : null,
+                'total' => count($this->identities),
+            ],
+        ];
+    }
+}
diff --git a/tests/Collector/UserCollectorTest.php b/tests/Collector/UserCollectorTest.php
new file mode 100644
index 00000000..f678d9fb
--- /dev/null
+++ b/tests/Collector/UserCollectorTest.php
@@ -0,0 +1,51 @@
+<?php
+
+declare(strict_types=1);
+
+namespace Yiisoft\Yii\Debug\Tests\Collector;
+
+use Yiisoft\Yii\Debug\Collector\CollectorInterface;
+use Yiisoft\Yii\Debug\Collector\IdentityCollector;
+use Yiisoft\Yii\Debug\Tests\Support\FakeIdentity;
+
+final class UserCollectorTest extends AbstractCollectorTestCase
+{
+    /**
+     * @param IdentityCollector $collector
+     */
+    protected function collectTestData(CollectorInterface $collector): void
+    {
+        $collector->collect(null);
+        $collector->collect(new FakeIdentity('stub1'));
+
+        $collector->collect(null);
+        $collector->collect(new FakeIdentity('stub2'));
+        $collector->collect(null);
+    }
+
+    protected function getCollector(): CollectorInterface
+    {
+        return new IdentityCollector();
+    }
+
+    protected function checkCollectedData(array $data): void
+    {
+        parent::checkCollectedData($data);
+
+        $this->assertCount(2, $data);
+        $this->assertEquals([
+            ['id' => 'stub1', 'class' => FakeIdentity::class],
+            ['id' => 'stub2', 'class' => FakeIdentity::class],
+        ], $data);
+    }
+
+    protected function checkIndexData(array $data): void
+    {
+        parent::checkIndexData($data);
+
+        $this->assertArrayHasKey('identity', $data);
+        $this->assertArrayHasKey('lastId', $data['identity']);
+        $this->assertEquals('stub2', $data['identity']['lastId']);
+        $this->assertEquals(2, $data['identity']['total']);
+    }
+}
diff --git a/tests/Support/FakeIdentity.php b/tests/Support/FakeIdentity.php
new file mode 100644
index 00000000..6b682979
--- /dev/null
+++ b/tests/Support/FakeIdentity.php
@@ -0,0 +1,19 @@
+<?php
+
+declare(strict_types=1);
+
+namespace Yiisoft\Yii\Debug\Tests\Support;
+
+use Yiisoft\Auth\IdentityInterface;
+
+final class FakeIdentity implements IdentityInterface
+{
+    public function __construct(private ?string $id)
+    {
+    }
+
+    public function getId(): ?string
+    {
+        return $this->id;
+    }
+}