A class-action lawsuit has been filed in Columbus against Aflac after last week's disclosure of a cyber attack potentially compromising private information of an unclear number of customers. Attorneys from three law firms filed the lawsuit Tuesday in the Columbus Division of the U.

Aflac identified suspicious activity on its U.S. network and initiated response measures. Despite the breach, the business remain

The U.S. health insurance giant said it is not yet sure how many customers are impacted by the cybersecurity breach.