Ticketmaster Data Breach 2025 Class Action. A hacking group known as shinyhunters recently. A california law firm has filed a class action lawsuit against ticketmaster and parent company live nation entertainment on behalf of hundreds of millions of consumers caught up in a massive data breach of the.

While ticketmaster reports that customers’ accounts are safe, they may be. It alleges that ticketmaster failed to implement reasonable and adequate security measures to protect its users’ information, and that ticketmaster was aware of the significant.