PaySystem.tech data breach

Breach date: 2022-04-29. Added to this index: 2023-10-08. Accounts affected: about 1.4M. Domain: paysystem.tech.

What happened

In mid-2022, data alleged to have been sourced from the Russian payment provider PaySystem.tech appeared in hacking circles where it was made publicly available for download. Consisting of 16M rows with 1.4M unique email addresses, the data also included purchases and full credit card numbers and expiry dates. The data could not be independently attributed back to PaySystem.tech and the breach has been flagged as "unverified".

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

  • Credit cards: Your card number, usually with the expiry date and cardholder name, and sometimes the billing address. Some breaches hold only a partial number showing the last four digits.
  • 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.
  • Purchases: Records of items or services you bought, often with order numbers, prices, dates, delivery addresses and the store or seller involved.

What to do now

  1. Check whether your own address is in this dataset with the free email breach check.
  2. Review the accounts connected to this service and turn on two-factor authentication.
  3. Turn on two-factor authentication on your email account first, because it is the reset path for everything else.
  4. 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 PaySystem.tech breach?

The PaySystem.tech breach exposed Credit cards, Email addresses, Purchases. About 1.4M accounts were affected.

Was I affected by the PaySystem.tech 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 PaySystem.tech 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.

Next steps