diff --git a/.forgejo/workflows/deploy.yml b/.forgejo/workflows/deploy.yml
index 561c64e..dccc2c6 100644
--- a/.forgejo/workflows/deploy.yml
+++ b/.forgejo/workflows/deploy.yml
@@ -38,9 +38,10 @@ jobs:
       - name: Configure SSH
         run: |
           mkdir -p ~/.ssh
-          echo "${{ secrets.SSH_PRIVATE_KEY }}" > ~/.ssh/id_ed25519
+          printf '%s' "${{ secrets.SSH_PRIVATE_KEY }}" > ~/.ssh/id_ed25519
           chmod 600 ~/.ssh/id_ed25519
-          ssh-keyscan -p 22 87.249.49.32 >> ~/.ssh/known_hosts
+          printf '%s' "${{ secrets.SSH_KNOWN_HOSTS }}" > ~/.ssh/known_hosts
+          chmod 600 ~/.ssh/known_hosts
 
       - name: Write vault password
         run: |
diff --git a/inventory/group_vars/all/main.yml b/inventory/group_vars/all/main.yml
index fa81942..e576449 100644
--- a/inventory/group_vars/all/main.yml
+++ b/inventory/group_vars/all/main.yml
@@ -9,6 +9,7 @@ domain_plane:    "plane.{{ domain_base }}"
 domain_sync:     "sync.{{ domain_base }}"
 domain_traefik:    "traefik.{{ domain_base }}"
 domain_dashboard:  "dashboard.{{ domain_base }}"
+domain_auth:       "auth.{{ domain_base }}"
 
 # Service paths
 services_root: /opt/services
@@ -28,6 +29,11 @@ forgejo_runner_token:         "{{ vault_forgejo_runner_token }}"
 grafana_admin_password:           "{{ vault_grafana_admin_password }}"
 alertmanager_telegram_token:      "{{ vault_alertmanager_telegram_token }}"
 alertmanager_telegram_chat_id:    "{{ vault_alertmanager_telegram_chat_id }}"
+authelia_jwt_secret:              "{{ vault_authelia_jwt_secret }}"
+authelia_session_secret:          "{{ vault_authelia_session_secret }}"
+authelia_storage_key:             "{{ vault_authelia_storage_key }}"
+authelia_admin_password_hash:     "{{ vault_authelia_admin_password_hash }}"
+crowdsec_bouncer_key:             "{{ vault_crowdsec_bouncer_key }}"
 
 # CI/CD deploy key (public key — not a secret)
 ci_deploy_pubkey: "ssh-ed25519 AAAAC3NzaC1lZDI1NTE5AAAAIHdr9mRSSUqt7Ym4wA5RpVyz76wEXSOtVfh2/yCSMIbg ci-deploy@forgejo-runner"
diff --git a/inventory/group_vars/all/vault.yml b/inventory/group_vars/all/vault.yml
index f8d8971..90b46bf 100644
--- a/inventory/group_vars/all/vault.yml
+++ b/inventory/group_vars/all/vault.yml
@@ -1,50 +1,76 @@
 $ANSIBLE_VAULT;1.1;AES256
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diff --git a/roles/services/defaults/main.yml b/roles/services/defaults/main.yml
index 5eb250c..6699a85 100644
--- a/roles/services/defaults/main.yml
+++ b/roles/services/defaults/main.yml
@@ -27,3 +27,8 @@ grafana_image:       "grafana/grafana:11.6.1"                      # https://hub
 alertmanager_image:  "prom/alertmanager:v0.28.1"                   # https://hub.docker.com/r/prom/alertmanager/tags
 loki_image:          "grafana/loki:3.4.3"                          # https://hub.docker.com/r/grafana/loki/tags
 promtail_image:      "grafana/promtail:3.4.3"                      # https://hub.docker.com/r/grafana/promtail/tags
+crowdsec_image:      "crowdsecurity/crowdsec:v1.6.8"               # https://hub.docker.com/r/crowdsecurity/crowdsec/tags
+crowdsec_bouncer_image: "crowdsecurity/cs-firewall-bouncer:v0.0.31" # https://hub.docker.com/r/crowdsecurity/cs-firewall-bouncer/tags
+authelia_image:      "authelia/authelia:4.38"                      # https://hub.docker.com/r/authelia/authelia/tags
+redis_image:         "redis:7-alpine"                              # shared with plane-redis
+authelia_admin_user: "admin"
diff --git a/roles/services/tasks/configs.yml b/roles/services/tasks/configs.yml
index 2607ec5..628bdb8 100644
--- a/roles/services/tasks/configs.yml
+++ b/roles/services/tasks/configs.yml
@@ -134,6 +134,33 @@
     mode: "0644"
   notify: Restart stack
 
+- name: Deploy CrowdSec acquisition config
+  ansible.builtin.template:
+    src: crowdsec/acquis.yaml.j2
+    dest: "{{ services_root }}/crowdsec/acquis.yaml"
+    owner: "{{ deploy_user }}"
+    group: "{{ deploy_group }}"
+    mode: "0644"
+  notify: Restart stack
+
+- name: Deploy Authelia configuration
+  ansible.builtin.template:
+    src: authelia/configuration.yml.j2
+    dest: "{{ services_root }}/authelia/configuration.yml"
+    owner: "{{ deploy_user }}"
+    group: "{{ deploy_group }}"
+    mode: "0600"
+  notify: Restart stack
+
+- name: Deploy Authelia users database
+  ansible.builtin.template:
+    src: authelia/users.yml.j2
+    dest: "{{ services_root }}/authelia/users.yml"
+    owner: "{{ deploy_user }}"
+    group: "{{ deploy_group }}"
+    mode: "0600"
+  notify: Restart stack
+
 - name: Create acme.json for Let's Encrypt certificates
   ansible.builtin.file:
     path: "{{ services_root }}/traefik/acme.json"
diff --git a/roles/services/tasks/directories.yml b/roles/services/tasks/directories.yml
index 72b7069..119b98b 100644
--- a/roles/services/tasks/directories.yml
+++ b/roles/services/tasks/directories.yml
@@ -31,3 +31,6 @@
     - grafana/provisioning/dashboards/json
     - prometheus/rules
     - loki
+    - traefik/logs
+    - crowdsec
+    - authelia
diff --git a/roles/services/tasks/main.yml b/roles/services/tasks/main.yml
index dae97e9..bbfae39 100644
--- a/roles/services/tasks/main.yml
+++ b/roles/services/tasks/main.yml
@@ -25,6 +25,9 @@
     - "{{ alertmanager_image }}"
     - "{{ loki_image }}"
     - "{{ promtail_image }}"
+    - "{{ crowdsec_image }}"
+    - "{{ crowdsec_bouncer_image }}"
+    - "{{ authelia_image }}"
   register: pull_result
   changed_when: "'Status: Downloaded newer image' in pull_result.stdout"
   retries: 5
diff --git a/roles/services/templates/authelia/configuration.yml.j2 b/roles/services/templates/authelia/configuration.yml.j2
new file mode 100644
index 0000000..787aad8
--- /dev/null
+++ b/roles/services/templates/authelia/configuration.yml.j2
@@ -0,0 +1,77 @@
+# Generated by Ansible — do not edit manually
+# Authelia v4 configuration
+
+theme: dark
+
+server:
+  host: 0.0.0.0
+  port: 9091
+
+log:
+  level: warn
+
+jwt_secret: "{{ authelia_jwt_secret }}"
+
+default_redirection_url: "https://{{ domain_auth }}"
+
+session:
+  name: authelia_session
+  secret: "{{ authelia_session_secret }}"
+  expiration: 12h
+  inactivity: 30m
+  domain: "{{ domain_base }}"
+  redis:
+    host: authelia-redis
+    port: 6379
+
+regulation:
+  max_retries: 3
+  find_time: 2m
+  ban_time: 10m
+
+storage:
+  encryption_key: "{{ authelia_storage_key }}"
+  local:
+    path: /config/db.sqlite3
+
+notifier:
+  disable_startup_check: true
+  filesystem:
+    filename: /config/notifications.txt
+
+authentication_backend:
+  password_reset:
+    disable: false
+  file:
+    path: /config/users.yml
+    password:
+      algorithm: argon2id
+      iterations: 3
+      memory: 65536
+      parallelism: 4
+      key_length: 32
+      salt_length: 16
+
+access_control:
+  default_policy: deny
+  rules:
+    # Authelia portal itself — всегда доступен
+    - domain: "{{ domain_auth }}"
+      policy: bypass
+
+    # Traefik dashboard — только admin, требует 2FA
+    - domain: "{{ domain_traefik }}"
+      policy: two_factor
+      subject: "group:admins"
+
+    # Syncthing — только admin, требует 2FA
+    - domain: "{{ domain_sync }}"
+      policy: two_factor
+      subject: "group:admins"
+
+    # Plane god-mode — только admin, требует 2FA
+    - domain: "{{ domain_plane }}"
+      resources:
+        - "^/god-mode/.*$"
+      policy: two_factor
+      subject: "group:admins"
diff --git a/roles/services/templates/authelia/users.yml.j2 b/roles/services/templates/authelia/users.yml.j2
new file mode 100644
index 0000000..f5f657d
--- /dev/null
+++ b/roles/services/templates/authelia/users.yml.j2
@@ -0,0 +1,12 @@
+# Generated by Ansible — do not edit manually
+# Authelia users database
+# To update password hash: docker exec authelia authelia crypto hash generate argon2 --password 'yourpassword'
+# To set up TOTP: visit https://{{ domain_auth }} and login — QR code will appear on first use
+
+users:
+  {{ authelia_admin_user }}:
+    displayname: "Admin"
+    password: "{{ authelia_admin_password_hash }}"
+    email: "{{ acme_email }}"
+    groups:
+      - admins
diff --git a/roles/services/templates/crowdsec/acquis.yaml.j2 b/roles/services/templates/crowdsec/acquis.yaml.j2
new file mode 100644
index 0000000..ed0a061
--- /dev/null
+++ b/roles/services/templates/crowdsec/acquis.yaml.j2
@@ -0,0 +1,18 @@
+# Generated by Ansible — do not edit manually
+# CrowdSec acquisition config: what log sources to watch
+
+---
+filenames:
+  - /var/log/traefik/access.log
+labels:
+  type: traefik
+---
+filenames:
+  - /var/log/auth.log
+labels:
+  type: syslog
+---
+filenames:
+  - /var/log/syslog
+labels:
+  type: syslog
diff --git a/roles/services/templates/docker-compose.yml.j2 b/roles/services/templates/docker-compose.yml.j2
index 610ad57..db7a371 100644
--- a/roles/services/templates/docker-compose.yml.j2
+++ b/roles/services/templates/docker-compose.yml.j2
@@ -26,6 +26,9 @@ networks:
   monitoring:
     driver: bridge
     internal: true
+  authelia-internal:
+    driver: bridge
+    internal: true
 
 volumes:
   vaultwarden_data:
@@ -41,6 +44,8 @@ volumes:
   prometheus_data:
   grafana_data:
   loki_data:
+  crowdsec_data:
+  authelia_data:
 
 services:
 
@@ -50,6 +55,8 @@ services:
     image: {{ traefik_image }}
     container_name: traefik
     restart: unless-stopped
+    security_opt:
+      - no-new-privileges:true
     ports:
       - "80:80"
       - "443:443"
@@ -60,6 +67,7 @@ services:
       - {{ services_root }}/traefik/traefik.yml:/etc/traefik/traefik.yml:ro
       - {{ services_root }}/traefik/dynamic:/etc/traefik/dynamic:ro
       - {{ services_root }}/traefik/acme.json:/acme/acme.json
+      - {{ services_root }}/traefik/logs:/var/log/traefik
     healthcheck:
       test: ["CMD", "traefik", "healthcheck", "--ping"]
       interval: 30s
@@ -71,6 +79,8 @@ services:
     image: {{ vaultwarden_image }}
     container_name: vaultwarden
     restart: unless-stopped
+    security_opt:
+      - no-new-privileges:true
     networks:
       - backend
     volumes:
@@ -94,6 +104,8 @@ services:
     image: {{ forgejo_image }}
     container_name: forgejo
     restart: unless-stopped
+    security_opt:
+      - no-new-privileges:true
     depends_on:
       forgejo-db:
         condition: service_healthy
@@ -484,6 +496,8 @@ services:
     image: {{ grafana_image }}
     container_name: grafana
     restart: unless-stopped
+    security_opt:
+      - no-new-privileges:true
     depends_on:
       - prometheus
     networks:
@@ -532,5 +546,75 @@ services:
       - /var/log:/var/log:ro
       - /var/lib/docker/containers:/var/lib/docker/containers:ro
       - /var/run/docker.sock:/var/run/docker.sock:ro
+      - {{ services_root }}/traefik/logs:/var/log/traefik:ro
       - {{ services_root }}/loki/promtail.yml:/etc/promtail/config.yml:ro
     command: -config.file=/etc/promtail/config.yml
+
+  # ── Security Stack ─────────────────────────────────────────────────────────
+  # CrowdSec: анализирует логи Traefik, банит злоумышленников по IP
+  # Использует community-репутацию + локальный анализ поведения
+  crowdsec:
+    image: {{ crowdsec_image }}
+    container_name: crowdsec
+    restart: unless-stopped
+    networks:
+      - monitoring
+    environment:
+      - COLLECTIONS=crowdsecurity/traefik crowdsecurity/http-cve crowdsecurity/linux
+      - GID=1000
+    volumes:
+      - crowdsec_data:/var/lib/crowdsec/data
+      - {{ services_root }}/crowdsec/acquis.yaml:/etc/crowdsec/acquis.yaml:ro
+      - {{ services_root }}/traefik/logs:/var/log/traefik:ro
+      - /var/log/auth.log:/var/log/auth.log:ro
+      - /var/log/syslog:/var/log/syslog:ro
+
+  # Bouncer: получает решения от CrowdSec и блокирует IP через firewall
+  crowdsec-bouncer:
+    image: {{ crowdsec_bouncer_image }}
+    container_name: crowdsec-bouncer
+    restart: unless-stopped
+    networks:
+      - monitoring
+    environment:
+      - CROWDSEC_BOUNCER_API_KEY=${CROWDSEC_BOUNCER_KEY}
+      - CROWDSEC_AGENT_HOST=crowdsec:8080
+      - GID=0
+    cap_add:
+      - NET_ADMIN
+      - NET_RAW
+
+  # ── Authelia: 2FA SSO portal ───────────────────────────────────────────────
+  # Защищает: Traefik dashboard, Syncthing, Plane /god-mode/
+  # Вход: логин + пароль + TOTP (Google Authenticator)
+  authelia:
+    image: {{ authelia_image }}
+    container_name: authelia
+    restart: unless-stopped
+    depends_on:
+      - authelia-redis
+    networks:
+      - backend
+      - authelia-internal
+    volumes:
+      - authelia_data:/config
+      - {{ services_root }}/authelia/configuration.yml:/config/configuration.yml:ro
+      - {{ services_root }}/authelia/users.yml:/config/users.yml:ro
+    environment:
+      - AUTHELIA_JWT_SECRET=${AUTHELIA_JWT_SECRET}
+      - AUTHELIA_SESSION_SECRET=${AUTHELIA_SESSION_SECRET}
+      - AUTHELIA_STORAGE_ENCRYPTION_KEY=${AUTHELIA_STORAGE_KEY}
+      - TZ=UTC
+    healthcheck:
+      test: ["CMD", "wget", "-qO-", "http://localhost:9091/api/health"]
+      interval: 30s
+      timeout: 5s
+      retries: 3
+
+  authelia-redis:
+    image: {{ redis_image }}
+    container_name: authelia-redis
+    restart: unless-stopped
+    networks:
+      - authelia-internal
+    command: redis-server --appendonly yes --maxmemory 64mb --maxmemory-policy allkeys-lru
diff --git a/roles/services/templates/env.j2 b/roles/services/templates/env.j2
index 67be240..328a79d 100644
--- a/roles/services/templates/env.j2
+++ b/roles/services/templates/env.j2
@@ -12,3 +12,7 @@ DOMAIN_SYNC={{ domain_sync }}
 DOMAIN_TRAEFIK={{ domain_traefik }}
 FORGEJO_RUNNER_TOKEN={{ forgejo_runner_token }}
 GRAFANA_ADMIN_PASSWORD={{ grafana_admin_password }}
+AUTHELIA_JWT_SECRET={{ authelia_jwt_secret }}
+AUTHELIA_SESSION_SECRET={{ authelia_session_secret }}
+AUTHELIA_STORAGE_KEY={{ authelia_storage_key }}
+CROWDSEC_BOUNCER_KEY={{ crowdsec_bouncer_key }}
diff --git a/roles/services/templates/traefik/dynamic/routes.yml.j2 b/roles/services/templates/traefik/dynamic/routes.yml.j2
index 5da4fc2..ee0014c 100644
--- a/roles/services/templates/traefik/dynamic/routes.yml.j2
+++ b/roles/services/templates/traefik/dynamic/routes.yml.j2
@@ -9,7 +9,7 @@ http:
       tls:
         certresolver: letsencrypt
       service: api@internal
-      middlewares: [traefik-auth]
+      middlewares: [authelia@docker, rate-limit-strict]
 
     vaultwarden:
       rule: "Host(`{{ domain_vault }}`)"
@@ -17,6 +17,7 @@ http:
       tls:
         certresolver: letsencrypt
       service: vaultwarden
+      middlewares: [rate-limit-default]
 
     forgejo:
       rule: "Host(`{{ domain_git }}`)"
@@ -24,6 +25,7 @@ http:
       tls:
         certresolver: letsencrypt
       service: forgejo
+      middlewares: [rate-limit-default]
 
     plane-api:
       rule: "Host(`{{ domain_plane }}`) && (PathPrefix(`/api/`) || PathPrefix(`/auth/`))"
@@ -31,6 +33,7 @@ http:
       tls:
         certresolver: letsencrypt
       service: plane-api
+      middlewares: [rate-limit-api]
 
     plane:
       rule: "Host(`{{ domain_plane }}`)"
@@ -38,6 +41,25 @@ http:
       tls:
         certresolver: letsencrypt
       service: plane-web
+      middlewares: [rate-limit-default]
+
+    plane-godmode:
+      rule: "Host(`{{ domain_plane }}`) && PathPrefix(`/god-mode/`)"
+      entrypoints: [websecure]
+      tls:
+        certresolver: letsencrypt
+      service: plane-admin
+      middlewares: [authelia@docker, rate-limit-strict]
+      priority: 10
+
+    plane-spaces:
+      rule: "Host(`{{ domain_plane }}`) && PathPrefix(`/spaces/`)"
+      entrypoints: [websecure]
+      tls:
+        certresolver: letsencrypt
+      service: plane-space
+      middlewares: [rate-limit-default]
+      priority: 10
 
     syncthing:
       rule: "Host(`{{ domain_sync }}`)"
@@ -45,7 +67,7 @@ http:
       tls:
         certresolver: letsencrypt
       service: syncthing
-      middlewares: [syncthing-auth]
+      middlewares: [authelia@docker, rate-limit-strict]
 
     grafana:
       rule: "Host(`{{ domain_dashboard }}`)"
@@ -53,6 +75,15 @@ http:
       tls:
         certresolver: letsencrypt
       service: grafana
+      middlewares: [rate-limit-default]
+
+    authelia:
+      rule: "Host(`{{ domain_auth }}`)"
+      entrypoints: [websecure]
+      tls:
+        certresolver: letsencrypt
+      service: authelia
+      middlewares: [rate-limit-strict]
 
   services:
     vaultwarden:
@@ -75,6 +106,16 @@ http:
         servers:
           - url: "http://plane-web:3000"
 
+    plane-admin:
+      loadBalancer:
+        servers:
+          - url: "http://plane-admin:80"
+
+    plane-space:
+      loadBalancer:
+        servers:
+          - url: "http://plane-space:3000"
+
     syncthing:
       loadBalancer:
         servers:
@@ -85,7 +126,51 @@ http:
         servers:
           - url: "http://grafana:3000"
 
+    authelia:
+      loadBalancer:
+        servers:
+          - url: "http://authelia:9091"
+
   middlewares:
+    # ── Security Headers (applied globally via entrypoint) ─────────────────
+    security-headers:
+      headers:
+        stsSeconds: 31536000
+        stsIncludeSubdomains: true
+        stsPreload: true
+        forceSTSHeader: true
+        frameDeny: true
+        contentTypeNosniff: true
+        browserXssFilter: true
+        referrerPolicy: "strict-origin-when-cross-origin"
+        permissionsPolicy: "camera=(), microphone=(), geolocation=(), payment=()"
+        customResponseHeaders:
+          X-Robots-Tag: "noindex, nofollow"
+          Server: ""
+
+    # ── Rate Limiting ──────────────────────────────────────────────────────
+    # Default: 100 req/s burst 50 — general web traffic
+    rate-limit-default:
+      rateLimit:
+        average: 100
+        burst: 50
+        period: 1s
+
+    # API: 30 req/s burst 20 — API endpoints
+    rate-limit-api:
+      rateLimit:
+        average: 30
+        burst: 20
+        period: 1s
+
+    # Strict: 10 req/s burst 5 — admin/login interfaces
+    rate-limit-strict:
+      rateLimit:
+        average: 10
+        burst: 5
+        period: 1s
+
+    # ── Auth (legacy basic auth kept for direct fallback) ─────────────────
     traefik-auth:
       basicAuth:
         users:
@@ -95,3 +180,14 @@ http:
       basicAuth:
         users:
           - "{{ syncthing_basic_auth_htpasswd }}"
+
+    # ── Authelia ForwardAuth ───────────────────────────────────────────────
+    authelia:
+      forwardAuth:
+        address: "http://authelia:9091/api/verify?rd=https://{{ domain_auth }}"
+        trustForwardHeader: true
+        authResponseHeaders:
+          - Remote-User
+          - Remote-Groups
+          - Remote-Email
+          - Remote-Name
diff --git a/roles/services/templates/traefik/traefik.yml.j2 b/roles/services/templates/traefik/traefik.yml.j2
index c24052f..1875238 100644
--- a/roles/services/templates/traefik/traefik.yml.j2
+++ b/roles/services/templates/traefik/traefik.yml.j2
@@ -8,7 +8,16 @@ global:
 log:
   level: INFO
 
-accessLog: {}
+accessLog:
+  filePath: /var/log/traefik/access.log
+  bufferingSize: 100
+  fields:
+    defaultMode: keep
+    headers:
+      defaultMode: drop
+      names:
+        User-Agent: keep
+        Referer: drop
 
 api:
   dashboard: true
@@ -26,6 +35,9 @@ entryPoints:
           scheme: https
   websecure:
     address: ":443"
+    http:
+      middlewares:
+        - security-headers@file
 
 certificatesResolvers:
   letsencrypt: