T-Mobile has confirmed “unauthorized access” to its systems, days after a portion of customer data was listed for sale on a known cybercriminal forum.
The U.S. cell giant, which last year completed a $26 billion merger with Sprint, confirmed an intrusion but that it has “not yet determined that there is any personal customer data involved.” The company said that its investigation will “take some time,” and no timeline was given.
“We are confident that the entry point used to gain access has been closed, and we are continuing our deep technical review of the situation across our systems to identify the nature of any data that was illegally