diff --git a/.env b/.env
index 67830a468d2c19b7c2d3d7917a66910401552229..755599c6eaf2e5ba18e5ee05860e863afddf7e26 100644
--- a/.env
+++ b/.env
@@ -26,3 +26,9 @@ APP_SECRET=f29e104c2042ee548893fe7a0d0a7106
 DATABASE_URL="mysql://root:password@127.0.0.1:8888/teebblog?serverVersion=5.7"
 # DATABASE_URL="postgresql://db_user:db_password@127.0.0.1:5432/db_name?serverVersion=13&charset=utf8"
 ###< doctrine/doctrine-bundle ###
+
+###> symfony/lock ###
+# Choose one of the stores below
+# postgresql+advisory://db_user:db_password@localhost/db_name
+LOCK_DSN=semaphore
+###< symfony/lock ###
diff --git a/composer.json b/composer.json
index 454e0ce86acb87f46d71733e37eaff740614617f..f7759d86afd71f503c30705ab641207da177d290 100644
--- a/composer.json
+++ b/composer.json
@@ -24,6 +24,7 @@
         "symfony/framework-bundle": "5.3.*",
         "symfony/mime": "5.3.*",
         "symfony/proxy-manager-bridge": "5.3.*",
+        "symfony/rate-limiter": "5.3.*",
         "symfony/runtime": "5.3.*",
         "symfony/twig-bundle": "5.3.*",
         "symfony/validator": "5.3.*",
diff --git a/composer.lock b/composer.lock
index dcfabe1f2bd104987bc22279b86a8a92f835b70d..ea4fae9318a22b55625db683bc67d8909ef81711 100644
--- a/composer.lock
+++ b/composer.lock
@@ -4,7 +4,7 @@
         "Read more about it at https://getcomposer.org/doc/01-basic-usage.md#installing-dependencies",
         "This file is @generated automatically"
     ],
-    "content-hash": "7cb9422b836ebd01c3e1561b51ca38ea",
+    "content-hash": "366b55e9b63d5e2f0c27659b76ae7128",
     "packages": [
         {
             "name": "composer/package-versions-deprecated",
@@ -4593,6 +4593,92 @@
             ],
             "time": "2021-05-27T12:28:50+00:00"
         },
+        {
+            "name": "symfony/lock",
+            "version": "v5.3.2",
+            "source": {
+                "type": "git",
+                "url": "https://github.com/symfony/lock.git",
+                "reference": "1f166823d4307eecd9f964804afefa2a59b9a3cf"
+            },
+            "dist": {
+                "type": "zip",
+                "url": "https://api.github.com/repos/symfony/lock/zipball/1f166823d4307eecd9f964804afefa2a59b9a3cf",
+                "reference": "1f166823d4307eecd9f964804afefa2a59b9a3cf",
+                "shasum": "",
+                "mirrors": [
+                    {
+                        "url": "https://mirrors.aliyun.com/composer/dists/%package%/%reference%.%type%",
+                        "preferred": true
+                    }
+                ]
+            },
+            "require": {
+                "php": ">=7.2.5",
+                "psr/log": "~1.0",
+                "symfony/deprecation-contracts": "^2.1",
+                "symfony/polyfill-php80": "^1.15"
+            },
+            "conflict": {
+                "doctrine/dbal": "<2.10"
+            },
+            "require-dev": {
+                "doctrine/dbal": "^2.10|^3.0",
+                "mongodb/mongodb": "~1.1",
+                "predis/predis": "~1.0"
+            },
+            "type": "library",
+            "autoload": {
+                "psr-4": {
+                    "Symfony\\Component\\Lock\\": ""
+                },
+                "exclude-from-classmap": [
+                    "/Tests/"
+                ]
+            },
+            "notification-url": "https://packagist.org/downloads/",
+            "license": [
+                "MIT"
+            ],
+            "authors": [
+                {
+                    "name": "Jérémy Derussé",
+                    "email": "jeremy@derusse.com"
+                },
+                {
+                    "name": "Symfony Community",
+                    "homepage": "https://symfony.com/contributors"
+                }
+            ],
+            "description": "Creates and manages locks, a mechanism to provide exclusive access to a shared resource",
+            "homepage": "https://symfony.com",
+            "keywords": [
+                "cas",
+                "flock",
+                "locking",
+                "mutex",
+                "redlock",
+                "semaphore"
+            ],
+            "support": {
+                "source": "https://github.com/symfony/lock/tree/v5.3.2"
+            },
+            "funding": [
+                {
+                    "url": "https://symfony.com/sponsor",
+                    "type": "custom"
+                },
+                {
+                    "url": "https://github.com/fabpot",
+                    "type": "github"
+                },
+                {
+                    "url": "https://tidelift.com/funding/github/packagist/symfony/symfony",
+                    "type": "tidelift"
+                }
+            ],
+            "time": "2021-06-06T09:51:56+00:00"
+        },
         {
             "name": "symfony/mime",
             "version": "v5.3.2",
@@ -5953,6 +6039,82 @@
             ],
             "time": "2021-05-26T12:52:38+00:00"
         },
+        {
+            "name": "symfony/rate-limiter",
+            "version": "v5.3.0",
+            "source": {
+                "type": "git",
+                "url": "https://github.com/symfony/rate-limiter.git",
+                "reference": "e9226c91163495ff0b655cdae0fff682e869640b"
+            },
+            "dist": {
+                "type": "zip",
+                "url": "https://api.github.com/repos/symfony/rate-limiter/zipball/e9226c91163495ff0b655cdae0fff682e869640b",
+                "reference": "e9226c91163495ff0b655cdae0fff682e869640b",
+                "shasum": "",
+                "mirrors": [
+                    {
+                        "url": "https://mirrors.aliyun.com/composer/dists/%package%/%reference%.%type%",
+                        "preferred": true
+                    }
+                ]
+            },
+            "require": {
+                "php": ">=7.2.5",
+                "symfony/lock": "^5.2",
+                "symfony/options-resolver": "^5.1"
+            },
+            "require-dev": {
+                "psr/cache": "^1.0|^2.0|^3.0"
+            },
+            "type": "library",
+            "autoload": {
+                "psr-4": {
+                    "Symfony\\Component\\RateLimiter\\": ""
+                },
+                "exclude-from-classmap": [
+                    "/Tests/"
+                ]
+            },
+            "notification-url": "https://packagist.org/downloads/",
+            "license": [
+                "MIT"
+            ],
+            "authors": [
+                {
+                    "name": "Wouter de Jong",
+                    "email": "wouter@wouterj.nl"
+                },
+                {
+                    "name": "Symfony Community",
+                    "homepage": "https://symfony.com/contributors"
+                }
+            ],
+            "description": "Provides a Token Bucket implementation to rate limit input and output in your application",
+            "homepage": "https://symfony.com",
+            "keywords": [
+                "limiter",
+                "rate-limiter"
+            ],
+            "support": {
+                "source": "https://github.com/symfony/rate-limiter/tree/v5.3.0"
+            },
+            "funding": [
+                {
+                    "url": "https://symfony.com/sponsor",
+                    "type": "custom"
+                },
+                {
+                    "url": "https://github.com/fabpot",
+                    "type": "github"
+                },
+                {
+                    "url": "https://tidelift.com/funding/github/packagist/symfony/symfony",
+                    "type": "tidelift"
+                }
+            ],
+            "time": "2021-05-26T17:43:10+00:00"
+        },
         {
             "name": "symfony/routing",
             "version": "v5.3.0",
diff --git a/config/packages/lock.yaml b/config/packages/lock.yaml
new file mode 100644
index 0000000000000000000000000000000000000000..574879f835c05a25f4f38b3989abfebc9fda09d5
--- /dev/null
+++ b/config/packages/lock.yaml
@@ -0,0 +1,2 @@
+framework:
+    lock: '%env(LOCK_DSN)%'
diff --git a/config/packages/security.yaml b/config/packages/security.yaml
index e25418bd4567e15a42f43d5db381a233c01568a8..9f296e6b7759b6a7adcbe181ec16b32c99e3c515 100644
--- a/config/packages/security.yaml
+++ b/config/packages/security.yaml
@@ -24,6 +24,8 @@ security:
                 secret: '%kernel.secret%'
                 lifetime: 604800 # 1 week in seconds
                 path: /
+            login_throttling:
+                max_attempts: 3
             logout:
                 path: app_logout
                 # where to redirect after logout
diff --git a/symfony.lock b/symfony.lock
index d33b76b5154fd713ab815c2a78d929ef26099e4b..ff88cc1ee320bb74e3365648d2cc01d4124be446 100644
--- a/symfony.lock
+++ b/symfony.lock
@@ -407,6 +407,18 @@
     "symfony/intl": {
         "version": "v5.3.0"
     },
+    "symfony/lock": {
+        "version": "5.2",
+        "recipe": {
+            "repo": "github.com/symfony/recipes",
+            "branch": "master",
+            "version": "5.2",
+            "ref": "a1c8800e40ae735206bb14586fdd6c4630a51b8d"
+        },
+        "files": [
+            "config/packages/lock.yaml"
+        ]
+    },
     "symfony/maker-bundle": {
         "version": "1.0",
         "recipe": {
@@ -512,6 +524,9 @@
     "symfony/proxy-manager-bridge": {
         "version": "v5.3.0"
     },
+    "symfony/rate-limiter": {
+        "version": "v5.3.0"
+    },
     "symfony/routing": {
         "version": "5.3",
         "recipe": {