Dunkin’ Donuts is informing some of its DD Perks program members that their account information may have been exposed through a credential stuffing attack.
The incident was discovered on October 31, 2018 when the donut seller’s security vendor notified the company that some Perks accounts were being accessed by unauthorized individuals. Dunkin’ believes the hackers are using login credentials harvested from other data breaches in order gain entry to these accounts. Essentially, the Perks members used the same username and password over multiple accounts.
The exposed information includes names, email addresses and the 16-digit Perks account numbers and QR codes. In response, Dunkin’ forced a password reset of all accounts and is in the process of mailing letters to those believed affected.
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