To join our claim, the main piece of information you will need to provide is a notification email from Arnold Clark, which was sent on or around 9 February 2023.  The email made customers aware that they were potentially impacted by the data breach.   It is important that you have retained this email to be able to claim, so please check your junk and spam folders, too. Aside from the notification email, all you will need to provide is your name, email address, and phone number.