Breach date: 2023-01-06. Added to this index: 2023-01-23. Accounts affected: about 20K. Domain: autotrader.com.
What happened
In January 2023, 1.4M records from the Autotrader online vehicle marketplace appeared on a popular hacking forum. Autotrader stated that the "data in question relates to aged listing data that was generally publicly available on our site at the time and open to automated collection methods". The data contained 20k unique email addresses alongside physical addresses and phone numbers of dealers and vehicle details including VIN numbers.
Breach data sourced from Have I Been Pwned, used under CC BY 4.0. Additional breach metadata provided by XposedOrNot. DataExposed is an independent service and is not affiliated with or endorsed by either.
What was exposed
Email addresses: The email address you used to register or log in. It is the most common field in breaches because it doubles as your username on most sites.
Phone numbers: Your mobile or landline number, collected at signup for contact, delivery updates, marketing and two-factor codes.
Physical addresses: Your residential, postal, billing or delivery address, stored by retailers, utilities, banks, government services and almost any company that sends you something.
Vehicle details: Descriptive information about a vehicle you own or drive, such as make, model, year, colour, trim, finance status or service history, held by insurers, dealers, finance companies and apps.
Vehicle identification numbers (VINs): The unique 17 character code assigned to a vehicle, used for registration, insurance, recalls, finance, servicing and vehicle history checks.
What to do now
Check whether your own address is in this dataset with the free email breach check.
Review the accounts connected to this service and turn on two-factor authentication.
Turn on two-factor authentication on your email account first, because it is the reset path for everything else.
Treat calls and messages that quote real details about you as hostile until you verify them another way.
Frequently asked questions
What data was leaked in the Autotrader breach?
The Autotrader breach exposed Email addresses, Phone numbers, Physical addresses, Vehicle details, Vehicle identification numbers (VINs). About 20K accounts were affected.
Was I affected by the Autotrader breach?
Run the free email breach check with the address you used on that service. It will tell you whether your address appears in this dataset.
What should I do about the Autotrader breach?
Treat any message that quotes details from this breach as suspicious, turn on two-factor authentication, and consider removing your details from people-search sites if your address or phone was included.