A security breach in 2022 compromised the data of nearly all of AT&T’s cellular customers, customers of mobile virtual network operators using AT&T’s wireless network, as well as its landline customers interacted with those cellular numbers. A company investigation determined that compromised data includes files containing AT&T records of calls and texts between May 1, 2022 and Oct. 31, 2022. MORE: https://www.wtsp.com/article/news/nation-world/att-security-breach-nearly-all-customers/507-a52d0822-06a0-4866-ba79-cf16eef35095