diff --git a/README.md b/README.md
index 7975e3ae4..26774a212 100644
--- a/README.md
+++ b/README.md
@@ -93,6 +93,7 @@ client_secret: ''
     AutoArchiveProcedureJob.set(cron: "* * * * *").perform_later
     WeeklyOverviewJob.set(cron: "0 8 * * 0").perform_later
     AutoReceiveDossiersForProcedureJob.set(cron: "* * * * *").perform_later(procedure_declaratoire_id, "received")
+    FindDubiousProcedureJob.set(cron: "0 0 * * *").perform_later
 
 ## Exécution des tests (RSpec)
 
diff --git a/app/jobs/find_dubious_procedures_job.rb b/app/jobs/find_dubious_procedures_job.rb
new file mode 100644
index 000000000..100ee02f4
--- /dev/null
+++ b/app/jobs/find_dubious_procedures_job.rb
@@ -0,0 +1,29 @@
+class FindDubiousProceduresJob < ApplicationJob
+  queue_as :cron
+
+  FORBIDDEN_KEYWORDS = ['IBAN', 'NIR', 'NIRPP', 'race', 'religion',
+                        'carte bancaire', 'carte bleue', 'sécurité sociale']
+
+  def perform(*args)
+    # \\y is a word boundary
+    forbidden_regexp = FORBIDDEN_KEYWORDS
+      .map { |keyword| '\\y' + keyword + '\\y' }
+      .join('|')
+
+    # ~* -> case insensitive regexp match
+    # https://www.postgresql.org/docs/current/static/functions-matching.html#FUNCTIONS-POSIX-REGEXP
+    forbidden_tdcs = TypeDeChamp
+      .joins(:procedure)
+      .where("types_de_champ.libelle ~* '#{forbidden_regexp}'")
+      .where(type_champ: %w(text textarea))
+      .where(procedures: { archived_at: nil })
+
+    dubious_procedures_and_tdcs = forbidden_tdcs
+      .group_by(&:procedure_id)
+      .map { |_procedure_id, tdcs| [tdcs[0].procedure, tdcs] }
+
+    if dubious_procedures_and_tdcs.present?
+      AdministrationMailer.dubious_procedures(dubious_procedures_and_tdcs).deliver_now
+    end
+  end
+end
diff --git a/app/mailers/administration_mailer.rb b/app/mailers/administration_mailer.rb
index 2d8f934cd..6e5b54505 100644
--- a/app/mailers/administration_mailer.rb
+++ b/app/mailers/administration_mailer.rb
@@ -1,4 +1,6 @@
 class AdministrationMailer < ApplicationMailer
+  layout 'mailers/layout'
+
   def new_admin_email admin, administration
     @admin = admin
     @administration = administration
@@ -6,4 +8,10 @@ class AdministrationMailer < ApplicationMailer
     mail(to: 'tech@tps.apientreprise.fr',
          subject: "Création d'un compte Admin TPS")
   end
+
+  def dubious_procedures(procedures_and_type_de_champs)
+    @procedures_and_type_de_champs = procedures_and_type_de_champs
+    mail(to: 'tech@tps.apientreprise.fr',
+         subject: "[RGS] De nouvelles procédures comportent des champs interdits")
+  end
 end
diff --git a/app/views/administration_mailer/dubious_procedures.html.haml b/app/views/administration_mailer/dubious_procedures.html.haml
new file mode 100644
index 000000000..3f0d0d179
--- /dev/null
+++ b/app/views/administration_mailer/dubious_procedures.html.haml
@@ -0,0 +1,7 @@
+- content_for(:title, 'Liste de procédures douteuses')
+
+%ul
+  - @procedures_and_type_de_champs.each do |procedure, type_de_champs|
+    %li
+      Nº #{procedure.id}, #{procedure.libelle} :
+      %b= type_de_champs.map(&:libelle).join(', ')
diff --git a/spec/jobs/find_dubious_procedures_job_spec.rb b/spec/jobs/find_dubious_procedures_job_spec.rb
new file mode 100644
index 000000000..40222c2d4
--- /dev/null
+++ b/spec/jobs/find_dubious_procedures_job_spec.rb
@@ -0,0 +1,43 @@
+require 'rails_helper'
+
+RSpec.describe FindDubiousProceduresJob, type: :job do
+  describe 'perform' do
+    let(:mailer_double) { double('mailer', deliver_now: true) }
+    let(:procedure) { create(:procedure) }
+    let(:allowed_tdc) { create(:type_de_champ_public, libelle: 'fournir') }
+
+    before do
+      allow(AdministrationMailer).to receive(:dubious_procedures)
+        .and_return(mailer_double)
+
+      procedure.types_de_champ << tdcs
+      FindDubiousProceduresJob.new.perform
+    end
+
+    context 'with suspicious champs' do
+      let(:forbidden_tdcs) do
+        [create(:type_de_champ_public, libelle: 'donne ton iban, stp'),
+         create(:type_de_champ_public, libelle: "t'aurais une carte bancaire ?")]
+      end
+
+      let(:tdcs) { forbidden_tdcs + [allowed_tdc] }
+
+      it 'mails tech about the dubious procedure' do
+        expect(AdministrationMailer).to have_received(:dubious_procedures)
+          .with([[procedure, forbidden_tdcs]])
+      end
+
+      context 'and a archived procedure' do
+        let(:procedure) { create(:procedure, archived_at: DateTime.now) }
+
+        it { expect(AdministrationMailer).not_to have_received(:dubious_procedures) }
+      end
+    end
+
+    context 'with no suspicious champs' do
+      let(:tdcs) { [allowed_tdc] }
+
+      it { expect(AdministrationMailer).not_to receive(:dubious_procedures) }
+    end
+  end
+end
diff --git a/spec/mailers/previews/administration_mailer_preview.rb b/spec/mailers/previews/administration_mailer_preview.rb
new file mode 100644
index 000000000..d0a6e2554
--- /dev/null
+++ b/spec/mailers/previews/administration_mailer_preview.rb
@@ -0,0 +1,9 @@
+class AdministrationMailerPreview < ActionMailer::Preview
+  def dubious_procedures
+    procedures_and_champs = [
+      [Procedure.first, [TypeDeChamp.new(libelle: 'iban'), TypeDeChamp.new(libelle: 'religion')]],
+      [Procedure.last, [TypeDeChamp.new(libelle: 'iban'), TypeDeChamp.new(libelle: 'numéro de carte bleu')]]
+    ]
+    AdministrationMailer.dubious_procedures(procedures_and_champs)
+  end
+end