diff --git a/app/controllers/concerns/two_factor_authenticatable.rb b/app/controllers/concerns/two_factor_authenticatable.rb
index 3b488f11160..0e35844b38b 100644
--- a/app/controllers/concerns/two_factor_authenticatable.rb
+++ b/app/controllers/concerns/two_factor_authenticatable.rb
@@ -159,8 +159,9 @@ def phone_confirmed
   end
 
   def send_phone_added_email
+    event = create_user_event_with_disavowal(:phone_added, current_user)
     current_user.confirmed_email_addresses.each do |email_address|
-      UserMailer.phone_added(email_address).deliver_later
+      UserMailer.phone_added(email_address, disavowal_token: event.disavowal_token).deliver_later
     end
   end
 
diff --git a/app/mailers/user_mailer.rb b/app/mailers/user_mailer.rb
index 5df4577cd1b..718d6b5866a 100644
--- a/app/mailers/user_mailer.rb
+++ b/app/mailers/user_mailer.rb
@@ -32,7 +32,8 @@ def password_changed(email_address, disavowal_token:)
     mail(to: email_address.email, subject: t('devise.mailer.password_updated.subject'))
   end
 
-  def phone_added(email_address)
+  def phone_added(email_address, disavowal_token:)
+    @disavowal_token = disavowal_token
     mail(to: email_address.email, subject: t('user_mailer.phone_added.subject'))
   end
 
diff --git a/app/models/event.rb b/app/models/event.rb
index bc8bb208a74..573c8fc50f3 100644
--- a/app/models/event.rb
+++ b/app/models/event.rb
@@ -25,6 +25,7 @@ class Event < ApplicationRecord
     sign_in_before_2fa: 18,
     sign_in_after_2fa: 19,
     email_deleted: 20,
+    phone_added: 21,
   }
 
   validates :event_type, presence: true
diff --git a/app/views/user_mailer/phone_added.html.slim b/app/views/user_mailer/phone_added.html.slim
index a427a86574f..c9ab448a426 100644
--- a/app/views/user_mailer/phone_added.html.slim
+++ b/app/views/user_mailer/phone_added.html.slim
@@ -11,6 +11,5 @@ table.hr
       | &nbsp;
 
 p == t('.help',
-      app: link_to(APP_NAME, Figaro.env.mailer_domain_name, class: 'gray'),
-      help_link: link_to(t('user_mailer.help_link_text'), MarketingSite.help_url),
-      contact_link: link_to(t('user_mailer.contact_link_text'), MarketingSite.contact_url))
+      disavowal_link: link_to(t('.disavowal_link'),
+        event_disavowal_url(disavowal_token: @disavowal_token)))
diff --git a/config/locales/event_types/en.yml b/config/locales/event_types/en.yml
index 3c3069494b9..20b665f734b 100644
--- a/config/locales/event_types/en.yml
+++ b/config/locales/event_types/en.yml
@@ -14,6 +14,7 @@ en:
     new_personal_key: Personal key changed
     password_changed: Password changed
     personal_key_used: Personal key used to sign in
+    phone_added: Phone number added
     phone_changed: Phone number changed
     phone_confirmed: Phone confirmed
     phone_removed: Phone number removed
diff --git a/config/locales/event_types/es.yml b/config/locales/event_types/es.yml
index 4d17bfa99f4..6e813d92f7f 100644
--- a/config/locales/event_types/es.yml
+++ b/config/locales/event_types/es.yml
@@ -14,6 +14,7 @@ es:
     new_personal_key: Clave personal cambiado
     password_changed: Contraseña cambiada
     personal_key_used: Clave personal utilizada para iniciar sesión
+    phone_added: Teléfono añadido
     phone_changed: Número de teléfono cambiado
     phone_confirmed: Teléfono confirmado
     phone_removed: Teléfono eliminado
diff --git a/config/locales/event_types/fr.yml b/config/locales/event_types/fr.yml
index a44492f2806..af0c0b4d00f 100644
--- a/config/locales/event_types/fr.yml
+++ b/config/locales/event_types/fr.yml
@@ -14,6 +14,7 @@ fr:
     new_personal_key: Clé personnelle modifié
     password_changed: Mot de passe modifié
     personal_key_used: Clé personnelle utilisée pour la connexion
+    phone_added: Numéro de téléphone ajouté
     phone_changed: Numéro de téléphone modifié
     phone_confirmed: Numéro de téléphone confirmé
     phone_removed: Numéro de téléphone supprimé
diff --git a/config/locales/user_mailer/en.yml b/config/locales/user_mailer/en.yml
index 39bcf23bd6b..db96e693439 100644
--- a/config/locales/user_mailer/en.yml
+++ b/config/locales/user_mailer/en.yml
@@ -131,8 +131,9 @@ en:
       intro: Personal key used to sign in
       subject: Account Security Alert
     phone_added:
+      disavowal_link: reset your password
       help: If you did not make this change, sign in to your profile and manage your
-        phone numbers. We recommend that you also change your password.
+        phone numbers. We also recommend that you %{disavowal_link}.
       intro: A new phone number was added to your %{app} profile.
       subject: New phone number added
     please_reset_password:
diff --git a/config/locales/user_mailer/es.yml b/config/locales/user_mailer/es.yml
index 9181dbdd636..c165d526df4 100644
--- a/config/locales/user_mailer/es.yml
+++ b/config/locales/user_mailer/es.yml
@@ -135,8 +135,9 @@ es:
       intro: Clave personal utilizada para iniciar sesión
       subject: Alerta de seguridad de cuenta
     phone_added:
+      disavowal_link: restablezca su contraseña
       help: Si no realizó este cambio, inicie sesión en su perfil y administre sus
-        números de teléfono. Le recomendamos que también cambie su contraseña.
+        números de teléfono.  También le recomendamos que %{disavowal_link}.
       intro: Se agregó un nuevo número de teléfono a su perfil de %{app}.
       subject: Nuevo número de teléfono añadido
     please_reset_password:
diff --git a/config/locales/user_mailer/fr.yml b/config/locales/user_mailer/fr.yml
index 42add87ad3a..805b3e473bb 100644
--- a/config/locales/user_mailer/fr.yml
+++ b/config/locales/user_mailer/fr.yml
@@ -143,9 +143,10 @@ fr:
       intro: La clé personnelle utilisée pour vous connecter
       subject: Alerte de sécurité du compte
     phone_added:
+      disavowal_link: réinitialiser votre mot de passe
       help: Si vous n'avez pas apporté cette modification, connectez-vous à votre
-        profil et gérez vos numéros de téléphone. Nous vous recommandons de changer
-        également votre mot de passe.
+        profil et gérez vos numéros de téléphone. Nous vous recommandons également
+        de %{disavowal_link}.
       intro: Un nouveau numéro de téléphone a été ajouté à votre profil %{app}.
       subject: Nouveau numéro de téléphone ajouté
     please_reset_password:
diff --git a/spec/controllers/two_factor_authentication/otp_verification_controller_spec.rb b/spec/controllers/two_factor_authentication/otp_verification_controller_spec.rb
index 8de8f0b267e..1bed2f06675 100644
--- a/spec/controllers/two_factor_authentication/otp_verification_controller_spec.rb
+++ b/spec/controllers/two_factor_authentication/otp_verification_controller_spec.rb
@@ -290,7 +290,8 @@
         allow(subject).to receive(:create_user_event)
         @mailer = instance_double(ActionMailer::MessageDelivery, deliver_later: true)
         subject.current_user.email_addresses.each do |email_address|
-          allow(UserMailer).to receive(:phone_added).with(email_address).
+          allow(UserMailer).to receive(:phone_added).
+            with(email_address, disavowal_token: instance_of(String)).
             and_return(@mailer)
         end
         @previous_phone = MfaContext.new(subject.current_user).phone_configurations.first&.phone
@@ -329,7 +330,8 @@
             expect(subject).to have_received(:create_user_event).with(:phone_changed)
             expect(subject).to have_received(:create_user_event).exactly(:once)
             subject.current_user.email_addresses.each do |email_address|
-              expect(UserMailer).to have_received(:phone_added).with(email_address)
+              expect(UserMailer).to have_received(:phone_added).
+                with(email_address, disavowal_token: instance_of(String))
             end
             expect(@mailer).to have_received(:deliver_later)
           end
diff --git a/spec/features/event_disavowal_spec.rb b/spec/features/event_disavowal_spec.rb
index a227b692b09..06eb73ab8d0 100644
--- a/spec/features/event_disavowal_spec.rb
+++ b/spec/features/event_disavowal_spec.rb
@@ -39,6 +39,21 @@
     disavow_last_action_and_reset_password
   end
 
+  scenario 'disavowing a phone being added' do
+    sign_in_and_2fa_user(user)
+    visit add_phone_path
+
+    fill_in 'user_phone_form[phone]', with: '202-555-3434'
+
+    choose 'user_phone_form_otp_delivery_preference_sms'
+    check 'user_phone_form_otp_make_default_number'
+    click_button t('forms.buttons.continue')
+
+    submit_prefilled_otp_code(user, 'sms')
+
+    disavow_last_action_and_reset_password
+  end
+
   scenario 'attempting to disavow an event with an invalid disavowal token' do
     visit event_disavowal_path(disavowal_token: 'this is a totally fake token')
 
@@ -112,6 +127,13 @@
     expect(page.current_path).to eq(login_two_factor_path(otp_delivery_preference: :sms))
   end
 
+  def submit_prefilled_otp_code(user, delivery_preference)
+    expect(current_path).
+      to eq login_two_factor_path(otp_delivery_preference: delivery_preference)
+    fill_in('code', with: user.reload.direct_otp)
+    click_button t('forms.buttons.submit.default')
+  end
+
   def perform_disavowable_password_reset
     visit forgot_password_path
     fill_in :password_reset_email_form_email, with: user.email
diff --git a/spec/features/two_factor_authentication/change_factor_spec.rb b/spec/features/two_factor_authentication/change_factor_spec.rb
index e3ebeadb898..f4cadf90007 100644
--- a/spec/features/two_factor_authentication/change_factor_spec.rb
+++ b/spec/features/two_factor_authentication/change_factor_spec.rb
@@ -29,7 +29,9 @@
 
       mailer = instance_double(ActionMailer::MessageDelivery, deliver_later: true)
       user.email_addresses.each do |email_address|
-        allow(UserMailer).to receive(:phone_added).with(email_address).and_return(mailer)
+        allow(UserMailer).to receive(:phone_added).
+          with(email_address, hash_including(:disavowal_token)).
+          and_return(mailer)
       end
 
       @previous_phone_confirmed_at =
@@ -59,7 +61,8 @@
 
       expect(current_path).to eq account_path
       user.email_addresses.each do |email_address|
-        expect(UserMailer).to have_received(:phone_added).with(email_address)
+        expect(UserMailer).to have_received(:phone_added).
+          with(email_address, hash_including(:disavowal_token))
       end
       expect(mailer).to have_received(:deliver_later)
       expect(page).to have_content new_phone
diff --git a/spec/features/users/add_phone_spec.rb b/spec/features/users/add_phone_spec.rb
index 86183e71cbd..0ab175ed028 100644
--- a/spec/features/users/add_phone_spec.rb
+++ b/spec/features/users/add_phone_spec.rb
@@ -5,8 +5,6 @@
     user = create(:user, :signed_up)
     phone = '+1 (225) 278-1234'
 
-    expect(UserMailer).to receive(:phone_added).with(user.email_addresses.first).and_call_original
-
     sign_in_and_2fa_user(user)
     click_on t('account.index.phone_add')
     fill_in :user_phone_form_phone, with: phone
@@ -19,4 +17,20 @@
     expect(user.phone_configurations[0].confirmed_at).to be_present
     expect(user.phone_configurations[1].confirmed_at).to be_present
   end
+
+  scenario 'adding a new phone number sends the user an email with a disavowal link' do
+    user = create(:user, :signed_up)
+    phone = '+1 (225) 278-1234'
+
+    expect(UserMailer).to receive(:phone_added).
+      with(user.email_addresses.first, hash_including(:disavowal_token)).
+      and_call_original
+
+    sign_in_and_2fa_user(user)
+    click_on t('account.index.phone_add')
+    fill_in :user_phone_form_phone, with: phone
+    click_continue
+    fill_in_code_with_last_phone_otp
+    click_submit_default
+  end
 end
diff --git a/spec/mailers/user_mailer_spec.rb b/spec/mailers/user_mailer_spec.rb
index 6d6705c6b72..b4faa528091 100644
--- a/spec/mailers/user_mailer_spec.rb
+++ b/spec/mailers/user_mailer_spec.rb
@@ -191,7 +191,8 @@
   end
 
   describe 'phone_added' do
-    let(:mail) { UserMailer.phone_added(email_address) }
+    disavowal_token = 'i_am_disavowal_token'
+    let(:mail) { UserMailer.phone_added(email_address, disavowal_token: disavowal_token) }
 
     it_behaves_like 'a system email'