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Here’s a summary of the key points regarding the AT&T security breach in 2022:
- Scope of the Breach:
- Nearly all AT&T cellular customers were affected.
- Customers of mobile virtual network operators (MVNOs) using AT&T’s network were also affected.
- Landline customers interacting with those cellular numbers were compromised.
- Compromised Data:
- The breach involved AT&T records of calls and texts between May 1, 2022, and October 31, 2022.
- For a small number of customers, records from January 2, 2023, were also compromised.
- Data includes telephone numbers interacted with, but not the content of calls or texts, personal information like Social Security numbers, dates of birth, or other personally identifiable information.
- Some cell site identification numbers associated with interactions were also included.
- The data does not contain customer names, time stamps of calls or texts, or other usage details.
- Company Response:
- AT&T launched an investigation and engaged cybersecurity experts to understand the breach’s nature and scope.
- The company is cooperating with law enforcement, and at least one person has been apprehended.
- AT&T does not currently believe that the data is publicly available.
- Impact:
- AT&T has over 100 million customers in the U.S. and nearly 2.5 million business accounts.
- Shares of AT&T fell more than 2% before markets opened on the day the breach was disclosed.
AT&T says hackers breached ‘nearly all’ customer data in 2022, assures exposed data not publicly available