A security breach at AT&T exposed call and text message data for nearly all of its customers, which company revealed Friday.
The records of most AT&T cellular customers between May and October 2022, as well as a single day in January 2023, were illegally downloaded from their workspace on a third-party cloud platform, AT&T said.
The data identifies other phone numbers that AT&T customers have interacted with and, in some cases, cell site identification numbers associated with the interactions.
The breach did not include the content of customers’ calls or texts, time stamps or any identifying information such as Social Security numbers or dates of birth. However, AT&T noted that there are other ways to find the name associated with a phone number.
The telecommunications giant, which first learned of the breach in April, said it “has taken steps to close the illegal access point” and is working with authorities. At least one person was detained, according to AT&T.
“Our top priority, as always, is our customers,” AT&T said in a press release. “We will provide notice to current and former customers whose information was involved, along with resources to help protect their information. We sincerely regret that this incident occurred and remain committed to protecting the information in our care.”
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