Chick-fil-A has disclosed a data breach affecting an unknown number of customers, following a series of credential stuffing attacks on its website and mobile app in June. The fast food chain revealed that hackers used stolen username/password pairs to gain access to Chick-fil-A One accounts, exposing sensitive customer information.
The breach is the latest in a string of attacks targeting the company’s online platforms. In March 2023, Chick-fil-A confirmed that over 71,000 customers had their personal data and rewards balances compromised after hackers breached their accounts between December 2022 and February 2023 using the same tactic. The recent attack also appears to have targeted Chick-fil-A’s website and mobile app between June 17th and June 19th, with attackers possibly accessing information such as names, email addresses, membership numbers, mobile pay numbers, QR codes, credit/debit card details, birth dates, phone numbers, and addresses.
Chick-fil-A has notified customers in multiple states, including Texas, where the breach is believed to have impacted over 2,182 residents. The company has also sent data breach notification letters to residents of Iowa, the District of Columbia, Maryland, Massachusetts, New Mexico, New York, North Carolina, Oregon, Vermont, and Rhode Island.
Credential stuffing attacks work by using automated tools to attempt login credentials on multiple websites or platforms simultaneously. When attackers have a large database of stolen username/password pairs, they can launch a massive attack, increasing the chances of successfully breaching user accounts. This tactic is particularly effective when users reuse their passwords across different platforms, making it easier for hackers to gain access.
In response to the breach, Chick-fil-A has taken steps to mitigate the damage, including logging out affected accounts, removing payment methods, restoring account balances, and adding rewards as a gesture of goodwill. The company has also advised customers to change their passwords immediately, emphasizing the importance of maintaining strong, unique login credentials across all online platforms.
The recent breach serves as a reminder for consumers to prioritize online security, particularly when it comes to password management. By using complex, unique passwords and enabling two-factor authentication whenever possible, individuals can significantly reduce their risk of falling victim to credential stuffing attacks.
As the cybersecurity landscape continues to evolve, companies like Chick-fil-A must remain vigilant in protecting customer data. Regular security audits, penetration testing, and employee education can help prevent such incidents from occurring in the first place. For consumers, staying informed about potential threats and taking proactive steps to secure their online accounts is crucial in preventing identity theft and financial loss.
Ultimately, this breach highlights the importance of robust password management and the need for companies to invest in robust security measures to protect customer data. By working together, we can reduce the risk of such attacks and create a safer online environment for everyone.
Source: Bleeping Computer — 2026-07-22