diff --git a/symfony/security-bundle/7.3/config/packages/security.yaml b/symfony/security-bundle/7.3/config/packages/security.yaml
new file mode 100644
index 000000000..1162c4051
--- /dev/null
+++ b/symfony/security-bundle/7.3/config/packages/security.yaml
@@ -0,0 +1,42 @@
+security:
+    # https://symfony.com/doc/current/security.html#registering-the-user-hashing-passwords
+    password_hashers:
+        Symfony\Component\Security\Core\User\PasswordAuthenticatedUserInterface: 'auto'
+
+    # https://symfony.com/doc/current/security.html#loading-the-user-the-user-provider
+    providers:
+        users_in_memory: { memory: null }
+
+    firewalls:
+        # Disable security for dev tools and static assets (only needed if access_control is broad):
+        dev:
+            # 'assets/' is for AssetMapper, 'build/' for Webpack Encore.
+            # (Note: no regex delimiters needed; Symfony adds `{}` automatically.)
+            pattern: ^/(_profiler|_wdt|assets|build)/
+            security: false
+        main:
+            lazy: true
+            provider: users_in_memory
+
+            # Activate different ways to authenticate:
+            # https://symfony.com/doc/current/security.html#the-firewall
+
+            # https://symfony.com/doc/current/security/impersonating_user.html
+            # switch_user: true
+
+    # Controls access to different sections of the application.
+    # Only the *first* matching rule is applied.
+    access_control:
+        # - { path: ^/admin, roles: ROLE_ADMIN }
+        # - { path: ^/profile, roles: ROLE_USER }
+
+when@test:
+    security:
+        password_hashers:
+            # Password hashers are resource-intensive by design to ensure security.
+            # In tests, it's safe to reduce their cost to improve performance.            
+            Symfony\Component\Security\Core\User\PasswordAuthenticatedUserInterface:
+                algorithm: auto
+                cost: 4 # Lowest possible value for bcrypt
+                time_cost: 3 # Lowest possible value for argon
+                memory_cost: 10 # Lowest possible value for argon
diff --git a/symfony/security-bundle/7.3/config/routes/security.yaml b/symfony/security-bundle/7.3/config/routes/security.yaml
new file mode 100644
index 000000000..f853be15c
--- /dev/null
+++ b/symfony/security-bundle/7.3/config/routes/security.yaml
@@ -0,0 +1,3 @@
+_security_logout:
+    resource: security.route_loader.logout
+    type: service
diff --git a/symfony/security-bundle/7.3/manifest.json b/symfony/security-bundle/7.3/manifest.json
new file mode 100644
index 000000000..4a48e0cf2
--- /dev/null
+++ b/symfony/security-bundle/7.3/manifest.json
@@ -0,0 +1,12 @@
+{
+    "bundles": {
+        "Symfony\\Bundle\\SecurityBundle\\SecurityBundle": ["all"]
+    },
+    "copy-from-recipe": {
+        "config/": "%CONFIG_DIR%/"
+    },
+    "aliases": ["security"],
+    "conflict": {
+        "symfony/framework-bundle": "<5.3"
+    }
+}