Chick-fil-A warns customers after cyberattack targets loyalty program

(CNN)– Chick-fil-A is warning some customers after a cyberattack targeted its loyalty program.

The fast-food chain says hackers used email addresses and passwords obtained from a third-party source to access some ‘Chick-fil-A One’ accounts last month.

The company says names, email addresses, membership numbers, the last four digits of some payment cards and gift card balances may have been exposed.

Chick-fil-A says it logged affected customers out of their accounts and removed stored payment methods.