5 months ago
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A information breach successful 2022 compromised the information of astir each of AT&T’s cellular customers, customers of mobile virtual web operators utilizing AT&T’s wireless network, arsenic good arsenic its landline customers interacted with those cellular numbers.
A institution probe determined that compromised information includes files containing AT&T records of calls and texts betwixt May 1, 2022 and Oct. 31, 2022.
AT&T has much than 100 cardinal customers successful the U.S. and astir 2.5 cardinal concern accounts.
The institution said Friday that it has launched an probe and engaged with cybersecurity experts to recognize the quality and scope of the transgression activity.
“The information does not incorporate the contented of calls oregon texts, idiosyncratic accusation specified arsenic Social Security numbers, dates of birth, oregon different personally identifiable information,” AT&T said Friday.
The compromised information besides doesn’t see immoderate accusation typically seen successful usage details, specified arsenic the clip stamp of calls oregon texts, the institution said. The information doesn’t see lawsuit names, but the AT&T said that determination are often ways, utilizing publically disposable online tools, to find the sanction associated with a circumstantial telephone number.
AT&T said that it presently doesn’t judge that the information is publically available.
The compromised information besides includes records from Jan. 2, 2023, for a precise tiny fig of customers. The records place the telephone numbers an AT&T oregon MVNO cellular fig interacted with during these periods. For a subset of records, 1 oregon much compartment tract recognition number(s) associated with the interactions are besides included.
The institution continues to cooperate with instrumentality enforcement connected the incidental and that it understands that astatine slightest 1 idiosyncratic has been apprehended truthful far.
Shares of AT&T Inc., based successful Dallas, fell much than 2% earlier the markets opened connected Friday.
