diff --git a/plane-src/apps/api/plane/authentication/urls.py b/plane-src/apps/api/plane/authentication/urls.py
index ec44e24..1e595fd 100644
--- a/plane-src/apps/api/plane/authentication/urls.py
+++ b/plane-src/apps/api/plane/authentication/urls.py
@@ -50,6 +50,7 @@ from .views import (
 
 urlpatterns = [
     # credentials
+    path("", NodeDCOIDCInitiateEndpoint.as_view(), name="nodedc-auth-root"),
     path("sign-in/", SignInAuthEndpoint.as_view(), name="sign-in"),
     path("sign-up/", SignUpAuthEndpoint.as_view(), name="sign-up"),
     path("oidc/login/", NodeDCOIDCInitiateEndpoint.as_view(), name="nodedc-oidc-login"),
diff --git a/plane-src/apps/api/plane/authentication/views/app/oidc.py b/plane-src/apps/api/plane/authentication/views/app/oidc.py
index 7ca52b2..7db7677 100644
--- a/plane-src/apps/api/plane/authentication/views/app/oidc.py
+++ b/plane-src/apps/api/plane/authentication/views/app/oidc.py
@@ -6,6 +6,7 @@ from urllib.parse import urlencode
 
 import jwt
 import requests
+from django.core.cache import cache
 from django.http import HttpResponseRedirect
 from django.utils import timezone
 from django.views import View
@@ -53,6 +54,7 @@ class NodeDCOIDCInitiateEndpoint(View):
 
         if request.GET.get("prompt") == "login":
             params["prompt"] = "login"
+            params["max_age"] = "0"
 
         return HttpResponseRedirect(f"{discovery['authorization_endpoint']}?{urlencode(params)}")
 
@@ -65,17 +67,28 @@ class NodeDCOIDCCallbackEndpoint(View):
         base_url = base_host(request=request, is_app=True)
 
         if request.GET.get("error"):
-            return oidc_error_redirect(base_url, next_path, "oidc_provider_error")
+            request.session.pop(OIDC_SESSION_KEY, None)
+            return oidc_login_redirect(base_url, next_path)
 
         state = request.GET.get("state")
         code = request.GET.get("code")
 
         if not state or state != oidc_session.get("state") or not code:
-            return oidc_error_redirect(base_url, next_path, "oidc_state_failed")
+            request.session.pop(OIDC_SESSION_KEY, None)
+            return oidc_login_redirect(base_url, next_path)
+
+        try:
+            discovery = load_discovery(config["issuer"])
+            token_set = exchange_code(discovery, config, code, oidc_session.get("code_verifier"))
+            claims = verify_id_token(discovery, config, token_set["id_token"], oidc_session.get("nonce"))
+        except (KeyError, RuntimeError, requests.RequestException, jwt.PyJWTError):
+            request.session.pop(OIDC_SESSION_KEY, None)
+            return oidc_login_redirect(base_url, next_path)
+
+        if is_logout_guard_active(claims):
+            request.session.pop(OIDC_SESSION_KEY, None)
+            return oidc_login_redirect(base_url, next_path, prompt_login=True)
 
-        discovery = load_discovery(config["issuer"])
-        token_set = exchange_code(discovery, config, code, oidc_session.get("code_verifier"))
-        claims = verify_id_token(discovery, config, token_set["id_token"], oidc_session.get("nonce"))
         groups = normalize_groups(claims.get("groups"))
 
         if not has_required_group(groups):
@@ -260,5 +273,87 @@ def first_string_claim(claims, *keys):
     return None
 
 
+def normalize_logout_guard_value(value):
+    return value.strip().lower() if isinstance(value, str) else ""
+
+
+def get_logout_guard_cache_key(kind, value):
+    normalized_value = normalize_logout_guard_value(value)
+    return f"nodedc:logout-guard:{kind}:{normalized_value}" if normalized_value else ""
+
+
+def get_logout_guard_cache_keys(claims):
+    keys = set()
+
+    subject_key = get_logout_guard_cache_key("subject", claims.get("sub"))
+    email_key = get_logout_guard_cache_key("email", claims.get("email"))
+
+    if subject_key:
+        keys.add(subject_key)
+    if email_key:
+        keys.add(email_key)
+
+    return sorted(keys)
+
+
+def get_claim_auth_time(claims):
+    auth_time = claims.get("auth_time")
+
+    try:
+        return int(auth_time)
+    except (TypeError, ValueError):
+        return 0
+
+
+def get_logout_guard_time(claims):
+    guard_times = []
+
+    for cache_key in get_logout_guard_cache_keys(claims):
+        value = cache.get(cache_key)
+
+        try:
+            guard_times.append(int(value))
+        except (TypeError, ValueError):
+            pass
+
+    return max(guard_times) if guard_times else 0
+
+
+def clear_logout_guard(claims):
+    cache_keys = get_logout_guard_cache_keys(claims)
+
+    if cache_keys:
+        cache.delete_many(cache_keys)
+
+
+def is_logout_guard_active(claims):
+    logout_guard_time = get_logout_guard_time(claims)
+
+    if not logout_guard_time:
+        return False
+
+    auth_time = get_claim_auth_time(claims)
+
+    if auth_time > logout_guard_time:
+        clear_logout_guard(claims)
+        return False
+
+    return True
+
+
 def oidc_error_redirect(base_url, next_path, error_code):
     return HttpResponseRedirect(get_safe_redirect_url(base_url=base_url, next_path=next_path, params={"error": error_code}))
+
+
+def oidc_login_redirect(base_url, next_path, prompt_login=False):
+    params = {}
+
+    if validate_next_path(next_path):
+        params["next_path"] = next_path
+
+    if prompt_login:
+        params["prompt"] = "login"
+
+    query_string = f"?{urlencode(params)}" if params else ""
+
+    return HttpResponseRedirect(f"{base_url.rstrip('/')}/auth/oidc/login/{query_string}")
diff --git a/plane-src/apps/api/plane/authentication/views/nodedc_logout.py b/plane-src/apps/api/plane/authentication/views/nodedc_logout.py
index 2adf281..ba5445e 100644
--- a/plane-src/apps/api/plane/authentication/views/nodedc_logout.py
+++ b/plane-src/apps/api/plane/authentication/views/nodedc_logout.py
@@ -1,13 +1,23 @@
+import json
 import os
+import time
+from secrets import compare_digest
 
 from django.contrib.auth import logout
 from django.conf import settings
-from django.http import HttpResponse, HttpResponseRedirect
+from django.core.cache import cache
+from django.http import HttpResponse, HttpResponseRedirect, JsonResponse
 from django.utils import timezone
+from django.utils.decorators import method_decorator
 from django.views import View
+from django.views.decorators.csrf import csrf_exempt
 
 from plane.authentication.utils.host import user_ip
-from plane.db.models import User
+from plane.db.models import ExternalIdentityLink, Session, User
+
+
+OIDC_PROVIDER = "authentik"
+DEFAULT_LOGOUT_GUARD_SECONDS = 30
 
 
 def get_nodedc_global_logout_url():
@@ -19,10 +29,100 @@ def get_logout_redirect_url(default_url):
     return get_nodedc_global_logout_url() or default_url
 
 
+def get_nodedc_internal_token():
+    return (
+        os.environ.get("PLANE_NODEDC_ACCESS_TOKEN", "").strip()
+        or os.environ.get("NODEDC_INTERNAL_ACCESS_TOKEN", "").strip()
+        or os.environ.get("PLANE_OIDC_CLIENT_SECRET", "").strip()
+    )
+
+
+def is_internal_logout_request_authorized(request):
+    expected_token = get_nodedc_internal_token()
+    authorization = request.headers.get("Authorization", "")
+    bearer_token = (
+        authorization.split(" ", 1)[1].strip()
+        if authorization.lower().startswith("bearer ")
+        else ""
+    )
+    header_token = request.headers.get("X-NODEDC-Internal-Token", "").strip()
+    request_token = bearer_token or header_token
+
+    return bool(expected_token and request_token and compare_digest(request_token, expected_token))
+
+
+def get_logout_guard_seconds():
+    value = os.environ.get("PLANE_NODEDC_LOGOUT_GUARD_SECONDS", "").strip()
+
+    try:
+        return max(1, int(value)) if value else DEFAULT_LOGOUT_GUARD_SECONDS
+    except ValueError:
+        return DEFAULT_LOGOUT_GUARD_SECONDS
+
+
+def normalize_guard_value(value):
+    return value.strip().lower() if isinstance(value, str) else ""
+
+
+def get_logout_guard_cache_key(kind, value):
+    normalized_value = normalize_guard_value(value)
+    return f"nodedc:logout-guard:{kind}:{normalized_value}" if normalized_value else ""
+
+
+def collect_logout_guard_keys(user=None, payload=None):
+    payload = payload or {}
+    keys = set()
+
+    for kind in ("subject", "email"):
+        cache_key = get_logout_guard_cache_key(kind, payload.get(kind))
+        if cache_key:
+            keys.add(cache_key)
+
+    if user is None:
+        return keys
+
+    email_key = get_logout_guard_cache_key("email", user.email)
+    if email_key:
+        keys.add(email_key)
+
+    links = ExternalIdentityLink.objects.filter(
+        provider=OIDC_PROVIDER,
+        user=user,
+        status=ExternalIdentityLink.Status.ACTIVE,
+    ).values_list("subject", "email")
+
+    for subject, email in links:
+        subject_key = get_logout_guard_cache_key("subject", subject)
+        email_key = get_logout_guard_cache_key("email", email)
+
+        if subject_key:
+            keys.add(subject_key)
+        if email_key:
+            keys.add(email_key)
+
+    return keys
+
+
+def mark_logout_guard(user=None, payload=None):
+    guard_keys = collect_logout_guard_keys(user=user, payload=payload)
+
+    if not guard_keys:
+        return []
+
+    logout_time = int(time.time())
+    ttl = get_logout_guard_seconds()
+
+    for guard_key in guard_keys:
+        cache.set(guard_key, logout_time, timeout=ttl)
+
+    return sorted(guard_keys)
+
+
 def logout_current_user(request):
     if request.user and request.user.is_authenticated:
         try:
             user = User.objects.get(pk=request.user.id)
+            mark_logout_guard(user=user)
             user.last_logout_ip = user_ip(request=request)
             user.last_logout_time = timezone.now()
             user.save()
@@ -56,7 +156,8 @@ def clear_nodedc_auth_cookies(response, request=None):
     if domain:
         session_cookie_name = getattr(settings, "SESSION_COOKIE_NAME", "session-id")
         response["Set-Cookie"] = (
-            f'{session_cookie_name}=""; Domain={domain}; expires=Thu, 01 Jan 1970 00:00:00 GMT; Max-Age=0; Path=/'
+            f'{session_cookie_name}=""; Domain={domain}; '
+            "expires=Thu, 01 Jan 1970 00:00:00 GMT; Max-Age=0; Path=/"
         )
 
     response["Cache-Control"] = "no-store, no-cache, must-revalidate, max-age=0"
@@ -65,11 +166,71 @@ def clear_nodedc_auth_cookies(response, request=None):
     return response
 
 
+def parse_json_body(request):
+    if not request.body:
+        return {}
+
+    return json.loads(request.body.decode("utf-8"))
+
+
+def find_logout_user(payload):
+    user_id = payload.get("planeUserId")
+    subject = payload.get("subject")
+    email = payload.get("email")
+
+    user_id = user_id.strip() if isinstance(user_id, str) else ""
+    subject = subject.strip() if isinstance(subject, str) else ""
+    email = email.strip().lower() if isinstance(email, str) else ""
+
+    if user_id:
+        user = User.objects.filter(id=user_id).first()
+        if user is not None:
+            return user
+
+    if subject:
+        link = ExternalIdentityLink.objects.filter(
+            provider=OIDC_PROVIDER,
+            subject=subject,
+            status=ExternalIdentityLink.Status.ACTIVE,
+        ).select_related("user").first()
+        if link is not None:
+            return link.user
+
+    if email:
+        user = User.objects.filter(email__iexact=email).first()
+        if user is not None:
+            return user
+
+        link = ExternalIdentityLink.objects.filter(
+            provider=OIDC_PROVIDER,
+            email__iexact=email,
+            status=ExternalIdentityLink.Status.ACTIVE,
+        ).select_related("user").first()
+        if link is not None:
+            return link.user
+
+    return None
+
+
+def invalidate_user_sessions(user, request):
+    deleted_count, _ = Session.objects.filter(user_id=str(user.id)).delete()
+
+    try:
+        user.last_logout_ip = user_ip(request=request)
+        user.last_logout_time = timezone.now()
+        user.save(update_fields=["last_logout_ip", "last_logout_time", "updated_at"])
+    except Exception:
+        pass
+
+    return deleted_count
+
+
 class NodeDCFrontChannelLogoutEndpoint(View):
     def get(self, request):
         logout_current_user(request)
         response = HttpResponse(
-            "<!doctype html><html><head><meta charset='utf-8'></head><body>NODE.DC Task session closed.</body></html>",
+            "<!doctype html><html><head><meta charset='utf-8'></head>"
+            "<body>NODE.DC Task session closed.</body></html>",
             content_type="text/html",
         )
         return clear_nodedc_auth_cookies(response, request)
@@ -78,3 +239,46 @@ class NodeDCFrontChannelLogoutEndpoint(View):
         logout_current_user(request)
         response = HttpResponseRedirect(get_logout_redirect_url("/"))
         return clear_nodedc_auth_cookies(response, request)
+
+
+@method_decorator(csrf_exempt, name="dispatch")
+class NodeDCInternalSessionLogoutEndpoint(View):
+    http_method_names = ["post"]
+
+    def post(self, request):
+        if not is_internal_logout_request_authorized(request):
+            return JsonResponse(
+                {
+                    "ok": False,
+                    "error": "internal_logout_unauthorized"
+                    if get_nodedc_internal_token()
+                    else "internal_logout_not_configured",
+                },
+                status=401 if get_nodedc_internal_token() else 503,
+            )
+
+        try:
+            payload = parse_json_body(request)
+        except (TypeError, ValueError, json.JSONDecodeError):
+            return JsonResponse({"ok": False, "error": "invalid_json"}, status=400)
+
+        user = find_logout_user(payload)
+
+        if user is None:
+            mark_logout_guard(payload=payload)
+            return JsonResponse({"ok": True, "deletedSessions": 0, "user": None})
+
+        guard_keys = mark_logout_guard(user=user, payload=payload)
+        deleted_sessions = invalidate_user_sessions(user, request)
+
+        return JsonResponse(
+            {
+                "ok": True,
+                "deletedSessions": deleted_sessions,
+                "guardKeys": len(guard_keys),
+                "user": {
+                    "id": str(user.id),
+                    "email": user.email,
+                },
+            }
+        )
diff --git a/plane-src/apps/api/plane/urls.py b/plane-src/apps/api/plane/urls.py
index 788957e..0975316 100644
--- a/plane-src/apps/api/plane/urls.py
+++ b/plane-src/apps/api/plane/urls.py
@@ -11,17 +11,29 @@ from drf_spectacular.views import (
     SpectacularRedocView,
     SpectacularSwaggerView,
 )
-from plane.authentication.views.nodedc_logout import NodeDCFrontChannelLogoutEndpoint
+from plane.authentication.views.nodedc_logout import (
+    NodeDCFrontChannelLogoutEndpoint,
+    NodeDCInternalSessionLogoutEndpoint,
+)
 
 handler404 = "plane.app.views.error_404.custom_404_view"
 
 urlpatterns = [
+    path(
+        "api/internal/nodedc/logout/",
+        NodeDCInternalSessionLogoutEndpoint.as_view(),
+        name="nodedc-internal-session-logout",
+    ),
     path("api/", include("plane.app.urls")),
     path("api/public/", include("plane.space.urls")),
     path("api/instances/", include("plane.license.urls")),
     path("api/v1/", include("plane.api.urls")),
     path("auth/", include("plane.authentication.urls")),
-    path("logout", NodeDCFrontChannelLogoutEndpoint.as_view(), name="nodedc-frontchannel-logout"),
+    path(
+        "logout",
+        NodeDCFrontChannelLogoutEndpoint.as_view(),
+        name="nodedc-frontchannel-logout",
+    ),
     path("", include("plane.web.urls")),
 ]
 
diff --git a/plane-src/apps/web/core/components/auth-screens/nodedc-auth-redirect.tsx b/plane-src/apps/web/core/components/auth-screens/nodedc-auth-redirect.tsx
index 2930651..74589d1 100644
--- a/plane-src/apps/web/core/components/auth-screens/nodedc-auth-redirect.tsx
+++ b/plane-src/apps/web/core/components/auth-screens/nodedc-auth-redirect.tsx
@@ -16,12 +16,5 @@ export function NodeDCAuthRedirect() {
     window.location.replace(buildNodeDCOIDCLoginUrl(nextPath));
   }, []);
 
-  return (
-    <div className="relative z-10 flex h-screen w-screen flex-col items-center justify-center overflow-hidden bg-canvas px-8 py-12">
-      <div className="nodedc-auth-shell flex w-full max-w-[28rem] flex-col gap-4 text-center">
-        <div className="text-2xl font-semibold text-custom-text-100">Переходим в NODE.DC</div>
-        <div className="text-sm text-custom-text-300">Проверяем платформенную сессию и доступ к рабочему пространству.</div>
-      </div>
-    </div>
-  );
+  return <div className="h-screen w-screen bg-canvas" aria-hidden="true" />;
 }