diff --git a/.env.production.sample b/.env.production.sample
index 15004b9d0d9..d11c65aeaa4 100644
--- a/.env.production.sample
+++ b/.env.production.sample
@@ -109,3 +109,6 @@ FETCH_REPLIES_MAX_SINGLE=500
 
 # Max number of replies Collection pages to fetch - total
 FETCH_REPLIES_MAX_PAGES=500
+
+# MFA Required for Users
+REQUIRE_MULTI_FACTOR_AUTH=false
\ No newline at end of file
diff --git a/app/controllers/application_controller.rb b/app/controllers/application_controller.rb
index 82d9e8380fc..f785874e1c3 100644
--- a/app/controllers/application_controller.rb
+++ b/app/controllers/application_controller.rb
@@ -14,6 +14,7 @@ class ApplicationController < ActionController::Base
   include DatabaseHelper
   include AuthorizedFetchHelper
   include SelfDestructHelper
+  include MfaForceConcern
 
   helper_method :current_account
   helper_method :current_session
diff --git a/app/controllers/auth/registrations_controller.rb b/app/controllers/auth/registrations_controller.rb
index fc430544fbe..1383e6ac78e 100644
--- a/app/controllers/auth/registrations_controller.rb
+++ b/app/controllers/auth/registrations_controller.rb
@@ -18,6 +18,7 @@ class Auth::RegistrationsController < Devise::RegistrationsController
 
   skip_before_action :check_self_destruct!, only: [:edit, :update]
   skip_before_action :require_functional!, only: [:edit, :update]
+  skip_before_action :check_mfa_requirement, only: [:edit, :update]
 
   def new
     super(&:build_invite_request)
@@ -100,12 +101,13 @@ class Auth::RegistrationsController < Devise::RegistrationsController
     end
   end
 
-  private
-
   def set_invite
     @invite = begin
-      invite = Invite.find_by(code: invite_code) if invite_code.present?
-      invite if invite&.valid_for_use?
+      if invite_code.present?
+        Invite.find_by(code: invite_code)
+      elsif params[:invite_code].present?
+        Invite.find_by(code: params[:invite_code])
+      end
     end
   end
 
@@ -132,15 +134,13 @@ class Auth::RegistrationsController < Devise::RegistrationsController
   def require_rules_acceptance!
     return if @rules.empty? || (session[:accept_token].present? && params[:accept] == session[:accept_token])
 
-    @accept_token = session[:accept_token] = SecureRandom.hex
-    @invite_code  = invite_code
-
-    set_locale { render :rules }
+    session[:accept_token] = SecureRandom.hex(16)
+    redirect_to new_user_registration_path(accept: session[:accept_token])
   end
 
   def is_flashing_format? # rubocop:disable Naming/PredicatePrefix
     if params[:action] == 'create'
-      false # Disable flash messages for sign-up
+      false
     else
       super
     end
diff --git a/app/controllers/auth/sessions_controller.rb b/app/controllers/auth/sessions_controller.rb
index 182f242ae5b..78073a49dc4 100644
--- a/app/controllers/auth/sessions_controller.rb
+++ b/app/controllers/auth/sessions_controller.rb
@@ -11,6 +11,7 @@ class Auth::SessionsController < Devise::SessionsController
   skip_before_action :require_no_authentication, only: [:create]
   skip_before_action :require_functional!
   skip_before_action :update_user_sign_in
+  skip_before_action :check_mfa_requirement, only: [:destroy]
 
   around_action :preserve_stored_location, only: :destroy, if: :continue_after?
 
@@ -199,12 +200,8 @@ class Auth::SessionsController < Devise::SessionsController
 
   def respond_to_on_destroy
     respond_to do |format|
-      format.json do
-        render json: {
-          redirect_to: after_sign_out_path_for(resource_name),
-        }, status: 200
-      end
-      format.all { super }
+      format.any(*navigational_formats) { redirect_to after_sign_out_path_for(:user) }
+      format.all { head 204 }
     end
   end
 end
diff --git a/app/controllers/auth/setup_controller.rb b/app/controllers/auth/setup_controller.rb
index 5e7b14646a0..519452d9d9b 100644
--- a/app/controllers/auth/setup_controller.rb
+++ b/app/controllers/auth/setup_controller.rb
@@ -8,6 +8,7 @@ class Auth::SetupController < ApplicationController
   before_action :set_user
 
   skip_before_action :require_functional!
+  skip_before_action :check_mfa_requirement
 
   def show; end
 
diff --git a/app/controllers/concerns/mfa_force_concern.rb b/app/controllers/concerns/mfa_force_concern.rb
new file mode 100644
index 00000000000..ca68d3649c9
--- /dev/null
+++ b/app/controllers/concerns/mfa_force_concern.rb
@@ -0,0 +1,27 @@
+# frozen_string_literal: true
+
+module MfaForceConcern
+  extend ActiveSupport::Concern
+
+  included do
+    prepend_before_action :check_mfa_requirement, if: :user_signed_in?
+  end
+
+  private
+
+  def check_mfa_requirement
+    return unless mfa_force_enabled?
+    return if current_user.otp_enabled?
+
+    flash[:alert] = I18n.t('require_multi_factor_auth.required_message')
+    redirect_to settings_otp_authentication_path
+  end
+
+  def mfa_force_enabled?
+    mfa_config[:force_enabled]
+  end
+
+  def mfa_config
+    @mfa_config ||= Rails.application.config_for(:mfa)
+  end
+end
diff --git a/app/controllers/settings/two_factor_authentication/confirmations_controller.rb b/app/controllers/settings/two_factor_authentication/confirmations_controller.rb
index eae990e79b2..00b2c68ccaf 100644
--- a/app/controllers/settings/two_factor_authentication/confirmations_controller.rb
+++ b/app/controllers/settings/two_factor_authentication/confirmations_controller.rb
@@ -6,6 +6,7 @@ module Settings
       include ChallengableConcern
 
       skip_before_action :require_functional!
+      skip_before_action :check_mfa_requirement
 
       before_action :require_challenge!
       before_action :ensure_otp_secret
diff --git a/app/controllers/settings/two_factor_authentication/otp_authentication_controller.rb b/app/controllers/settings/two_factor_authentication/otp_authentication_controller.rb
index ca8d46afe48..9e03fcdd354 100644
--- a/app/controllers/settings/two_factor_authentication/otp_authentication_controller.rb
+++ b/app/controllers/settings/two_factor_authentication/otp_authentication_controller.rb
@@ -6,6 +6,7 @@ module Settings
       include ChallengableConcern
 
       skip_before_action :require_functional!
+      skip_before_action :check_mfa_requirement
 
       before_action :verify_otp_not_enabled, only: [:show]
       before_action :require_challenge!, only: [:create]
diff --git a/app/controllers/settings/two_factor_authentication_methods_controller.rb b/app/controllers/settings/two_factor_authentication_methods_controller.rb
index a6d5c1fe2dd..0face326e49 100644
--- a/app/controllers/settings/two_factor_authentication_methods_controller.rb
+++ b/app/controllers/settings/two_factor_authentication_methods_controller.rb
@@ -6,6 +6,7 @@ module Settings
 
     skip_before_action :check_self_destruct!
     skip_before_action :require_functional!
+    skip_before_action :check_mfa_requirement
 
     before_action :require_challenge!, only: :disable
     before_action :require_otp_enabled
diff --git a/config/locales/en.yml b/config/locales/en.yml
index ebbb72fb073..b90a1a1c920 100644
--- a/config/locales/en.yml
+++ b/config/locales/en.yml
@@ -2151,3 +2151,7 @@ en:
     not_supported: This browser doesn't support security keys
     otp_required: To use security keys please enable two-factor authentication first.
     registered_on: Registered on %{date}
+
+  require_multi_factor_auth:
+    required_message: The administrator of this site has configured as mandatory that users enable two-factor authentication due to security policies. Please configure your two-factor authentication to continue using the platform.
+    security_policy: Security Policy Requirement
diff --git a/config/locales/es.yml b/config/locales/es.yml
index 93b8bb8817e..8082cf7dcae 100644
--- a/config/locales/es.yml
+++ b/config/locales/es.yml
@@ -2149,4 +2149,4 @@ es:
     not_enabled: Aún no has activado WebAuthn
     not_supported: Este navegador no soporta claves de seguridad
     otp_required: Para usar claves de seguridad, por favor habilite primero la autenticación de doble factor.
-    registered_on: Registrado el %{date}
+    registered_on: Registrado el %{date}
\ No newline at end of file
diff --git a/config/mfa.yml b/config/mfa.yml
new file mode 100644
index 00000000000..9e365ec9cea
--- /dev/null
+++ b/config/mfa.yml
@@ -0,0 +1,15 @@
+# Multi-Factor Authentication configuration
+default: &default
+  force_enabled: false
+
+development:
+  <<: *default
+  force_enabled: <%= ENV.fetch('REQUIRE_MULTI_FACTOR_AUTH', 'false') == 'true' %>
+
+test:
+  <<: *default
+  force_enabled: false
+
+production:
+  <<: *default
+  force_enabled: <%= ENV.fetch('REQUIRE_MULTI_FACTOR_AUTH', 'false') == 'true' %>
diff --git a/spec/controllers/concerns/mfa_force_concern_spec.rb b/spec/controllers/concerns/mfa_force_concern_spec.rb
new file mode 100644
index 00000000000..4181f5d8c19
--- /dev/null
+++ b/spec/controllers/concerns/mfa_force_concern_spec.rb
@@ -0,0 +1,111 @@
+# frozen_string_literal: true
+
+require 'rails_helper'
+
+RSpec.describe MfaForceConcern do
+  controller(ApplicationController) do
+    def index
+      render plain: 'OK'
+    end
+  end
+
+  let(:user) { Fabricate(:user) }
+
+  before do
+    routes.draw { get 'index' => 'anonymous#index' }
+  end
+
+  describe 'MFA force functionality' do
+    context 'when REQUIRE_MULTI_FACTOR_AUTH is enabled' do
+      before do
+        ClimateControl.modify(REQUIRE_MULTI_FACTOR_AUTH: 'true') do
+          sign_in user, scope: :user
+        end
+      end
+
+      context 'when user has MFA enabled' do
+        before do
+          user.update(otp_required_for_login: true)
+        end
+
+        it 'allows access to normal pages' do
+          ClimateControl.modify(REQUIRE_MULTI_FACTOR_AUTH: 'true') do
+            get :index
+            expect(response).to have_http_status(200)
+          end
+        end
+      end
+
+      context 'when user does not have MFA enabled' do
+        before do
+          user.update(otp_required_for_login: false)
+        end
+
+        it 'redirects to MFA setup page' do
+          ClimateControl.modify(REQUIRE_MULTI_FACTOR_AUTH: 'true') do
+            get :index
+            expect(response).to redirect_to(settings_otp_authentication_path)
+          end
+        end
+
+        it 'shows the required message' do
+          ClimateControl.modify(REQUIRE_MULTI_FACTOR_AUTH: 'true') do
+            get :index
+            expect(flash[:alert]).to eq(I18n.t('require_multi_factor_auth.required_message'))
+          end
+        end
+
+        context 'when accessing MFA setup pages' do
+          it 'allows access to OTP authentication page' do
+            ClimateControl.modify(REQUIRE_MULTI_FACTOR_AUTH: 'true') do
+              allow(controller.request).to receive(:path).and_return('/settings/otp_authentication')
+              get :index
+              expect(response).to have_http_status(200)
+            end
+          end
+
+          it 'allows access to MFA confirmation page' do
+            ClimateControl.modify(REQUIRE_MULTI_FACTOR_AUTH: 'true') do
+              allow(controller.request).to receive(:path).and_return('/settings/two_factor_authentication/confirmation')
+              get :index
+              expect(response).to have_http_status(200)
+            end
+          end
+
+          it 'allows access to logout' do
+            ClimateControl.modify(REQUIRE_MULTI_FACTOR_AUTH: 'true') do
+              allow(controller.request).to receive(:path).and_return('/auth/sign_out')
+              get :index
+              expect(response).to have_http_status(200)
+            end
+          end
+        end
+      end
+    end
+
+    context 'when REQUIRE_MULTI_FACTOR_AUTH is disabled' do
+      before do
+        ClimateControl.modify(REQUIRE_MULTI_FACTOR_AUTH: 'false') do
+          sign_in user, scope: :user
+          user.update(otp_required_for_login: false)
+        end
+      end
+
+      it 'allows access to normal pages' do
+        ClimateControl.modify(REQUIRE_MULTI_FACTOR_AUTH: 'false') do
+          get :index
+          expect(response).to have_http_status(200)
+        end
+      end
+    end
+
+    context 'when user is not signed in' do
+      it 'allows access to normal pages' do
+        ClimateControl.modify(REQUIRE_MULTI_FACTOR_AUTH: 'true') do
+          get :index
+          expect(response).to have_http_status(200)
+        end
+      end
+    end
+  end
+end