Patients and employees were left facing the issues brought by the attack on May 9 with little explanation from Norton as officials remained tight-lipped about the data breach it had been calling a "cyber event."

That lawsuit was filed in U.S. District Court on Friday, July 21, by Lanisha Malone, a former employee who worked at Norton Healthcare from 2015 to 2022 and a longtime patient of the network.

Norton provides health care across the Louisville-area and serves about 600,000 patients a year.

The company sent an update to its employees Monday morning.