Chick-fil-A Discloses Data Breach After Credential-Stuffing Attacks

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Summary

Chick-fil-A says attackers used stolen credentials to target its website and app in June 2026. The company determined they may have accessed Chick-fil-A One account information and took steps to secure affected accounts.

Key points

  • Chick-fil-A said automated credential-stuffing attacks targeted its website and mobile app from June 17 to June 19, 2026, using credentials obtained from a third party.
  • The company said unauthorized parties may have accessed information in affected Chick-fil-A One accounts.
  • Potentially exposed data included names, email addresses, membership numbers, mobile pay numbers, QR codes, account credit balances, and the last four digits of payment cards; some accounts may also have held birth dates, phone numbers, and addresses.
  • Chick-fil-A told the Texas Attorney General the breach affected 2,182 Texans; the total number of affected customers was not disclosed.
  • The company logged out affected accounts, removed payment methods, restored account balances, added rewards, and advised customers to change passwords.

Article Details

Victim Organization
Chick-fil-A
Incident Type
Credential-stuffing attack resulting in unauthorized access to Chick-fil-A One accounts and a data breach.
Incident Date
2026-06-17
Data Types Exposed
  • Names
  • Email addresses
  • Chick-fil-A One membership numbers
  • Mobile pay numbers
  • QR codes
  • Chick-fil-A account credit balances
  • Last four digits of credit or debit card numbers
  • Birth dates, phone numbers, and addresses, if stored in compromised accounts
Affected Records
The total number of affected customers was not disclosed. Chick-fil-A reported to the Texas Attorney General that 2,182 Texans were affected.
Operational Impact
Impacted accounts were logged out, payment methods were removed, account balances were restored, and rewards were added to affected accounts. Chick-fil-A advised affected users to change their passwords.
Claim Status
confirmed

MITRE ATT&CK

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