Here's where you can report a personal data breach to the ICO. This may include, for example, the loss of a USB stick, data being destroyed or sent to the wrong address, the theft of a laptop or hacking.

To report a breach, call our helpline (open Monday to Friday, 9am to 5pm). We will record the breach and give you advice about what to do next. For more about how we use your information, see our privacy notice

Call us, 0303 123 1113

Or, use the security breach notification form

Ffurflen hysbysu toriad diogelwch data

Takes about 10 minutes

What information will I need to provide?

When you phone, we'll ask you questions about:

  • what has happened;
  • when and how you found out about the breach;
  • the people that have been or may be affected by the breach;
  • what you are doing as a result of the breach; and
  • who we should contact if we need more information and who else you have told.

We'll send you a copy of the information you give us.