According to Norton, AT&T has been hacked multiple times. Many companies have and they do not even tell you anymore.
Verizon has experienced several data breaches 1 2 3. Here is a timeline of the breaches:
- March 2023: Data on 7.5 Million Verizon Customers Exposed on Hacker Forum
- October 2022: 250 Verizon Prepaid Accounts Compromised
- May 2022: Hacker Attempts to Ransom Verizon Employee Database
- July 2017: Data on 6 Million Verizon Users Leaked
- March 2016: 1.5 Million Verizon Enterprise Customers Impacted by Hack