Ticketmaster confirmed in a federal filing on Friday that it was investigating a data breach after a hacking group known as ShinyHunters claimed responsibility for stealing the information of more than 500 million Ticketmaster customers. In the filing, with the U.S. Securities and Exchange Commission, Ticketmaster’s parent company, Live Nation Entertainment, said it had “identified unauthorized activity within a third-party cloud database environment.”Who is behind the breach? ShinyHunters, a hacker group believed to have been formed around 2020, is believed to have been behind the breach. Brett Callow, a threat analyst with the cybersecurity company Emsisoft, said it was a “credible threat actor,” though not much more was known about the group.

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Persons: ShinyHunters, Brett Callow, Emsisoft Organizations: Ticketmaster, U.S . Securities, Exchange Commission, Nation Entertainment