Ticketmaster Data Breach 2025 Notification. — ticketmaster is encouraging customers to take action after another security breach compromised personal information. — the uk competitions watchdog, the competition and markets authority (cma), announced on 5 september 2025 that it had begun investigations into ticketmaster.
According to an email sent out to ticketmaster customers:. — ticketmaster is encouraging customers to take action after another security breach compromised personal information.