Mastercard Priceless Specials data breach: 89K accounts exposed
Severity: high · Patch status: no-fix-needed · Since 2019-09-01
In August 2019, the German Mastercard bonus program "Priceless Specials" suffered a data breach. Personal data on almost 90k program members was subsequently extensively circulated online and included names, email and IP addresses, phone numbers and partial credit card data. Following the incident, the program was subsequently suspended. Exposed data: email addresses, ip addresses, names, partial credit card data, phone numbers, salutations. The breach dates from Aug 20, 2019; Have I Been Pwned loaded it on Sep 1, 2019.
What to do
- If you had a Mastercard Priceless Specials account, change its password and the password of any other account that reused it.
- Turn on multi-factor authentication wherever it is offered.
- Check whether your addresses are in this breach at https://haveibeenpwned.com.
- Expect targeted phishing that quotes the leaked details; verify any unexpected contact out of band.
Sources
All live incidents on Threat Watch