T-Mobile says it’s “truly sorry” about the data breach that exposed the personal information of more than 54 million customers. “The last two weeks have been humbling for all of us at T-Mobile as we have worked tirelessly to navigate a malicious cyberattack on our systems,” the carrier said in an update on the situation attributed to CEO Mike Sievert.“To say we are disappointed and frustrated that this happened is an understatement,” Sievert wrote in the post. “Keeping our customers’ data safe is a responsibility we take incredibly seriously and preventing this type of event from happening has always been a top priority of ours. Unfortunately, this time we were not successful.”In T-Mobile’s account of what happened, the individual who hacked the company’s IT systems used “specialized” tools and knowledge of its infrastructure to gain access to its testing environments. "In short, this individual’s intent was to break in
