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If your NIN has been exposed

Your NIN identifies you across your SIM, your bank and government services. It can't easily be changed, so the aim is to catch misuse early. Most misuse is someone registering a SIM, an account or a loan in your name.

Do this first

  1. Don't give your NIN to anyone who contacts you first. Real requests come through channels you started yourself, like your bank's app or an operator's office.
  2. Check the lines registered to you. Ask your network operators, through their official channels, which numbers are registered with your NIN. Report any you don't recognise.
  3. Check your bank accounts and apps for accounts, cards or loans you didn't open.

Then

  1. Look at your credit report for lenders you don't know.
  2. Tell your bank that your NIN may be exposed. Ask them to add a note to your profile and to call you on a number you gave them before approving big changes.
  3. If you find misuse, report it to the police and to the National Identity Management Commission through its official channels. Take your evidence.
  4. If an organisation leaked it, you can ask what data it holds about you and complain to the Nigeria Data Protection Commission.

Watch for

  • Messages or calls about "NIN verification", "NIN update" or "NIN linking". Some are scams built to steal more details.
  • Any request that includes a link. Open the official app or type the website address yourself.

Going forward

  • Keep photos of your NIN slip and ID cards off chat apps and out of shared drives.
  • Only share your NIN with organisations that have a real need for it, and ask why they need it.