The episode dates to May 20, the company said in the SEC filing.
As appropriate, we are also notifying regulatory authorities and users with respect to unauthorized access to personal information.
The incident is awkwardly timed, as Live Nation has come under the microscope of federal antitrust regulators.
Live Nation Entertainment, TicketmasterPhoto Illustration by Rafael Henrique/SOPA Images/LightRocket via Getty Images
The company has denied it inflates prices or abuses its market position.
It derided the DOJ lawsuit as a stunt.
We continue to evaluate the risks and our remediation efforts are ongoing, the company added.
