AT&T in a release said the passcodes for 7.6 million customers was “compromised” and will be contacted by the company.

“It has come to our attention that a number of AT&T passcodes have been compromised,” the company stated. “We are reaching out to all 7.6M impacted customers and have reset their passcodes. In addition, we will be communicating with current and former account holders with compromised sensitive personal information.”

AT&T added, “Our internal teams are working with external cybersecurity experts to analyze the situation. To the best of our knowledge, the compromised data appears to be from 2019 or earlier and does not contain personal financial information or call history.

“We encourage customers to remain vigilant by monitoring account activity and credit reports. You can set up free fraud alerts from nationwide credit bureaus — Equifax, Experian, and TransUnion. You can also request and review your free credit report at any time via Freecreditreport.com.”