Sonic hit by $5 million suit over 2017 data breach

The drive-in fast food chain Sonic is being sued by the American Airlines Federal Credit Union for $5 million in an attempt to recoup money the credit union lost due to Sonic’s data breach in 2017.

American Airlines Federal Credit Union said because of the attack it incurred losses by having to cancel or reissue cards, close accounts, block transactions, refund affected customers and increase fraud monitoring efforts, according to In the suit the credit union also claims Sonic did not properly protect its POS system from cyberattack enabling malicious actors to insert the payment card info stealing malware.

This new case comes just after the burger chain settled a separate class- action lawsuit for $4.3 million brought by two customers affected by the breach. Each person participating in that suit will receive between $10 and $40, said NewsOK.

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