A cyber attack on telecommunications giant AT&T obtained data on “nearly all” of its more than 100m cellphone subscribers.

“We have taken steps to close off the illegal access point,” the company said in a statement on Friday. “We are working with law enforcement in its efforts to arrest those involved in the incident. We understand that at least one person has been apprehended.”

The breach compromised files containing records of calls and texts, mostly between May and October of 2022, identifying telephone numbers customers interacted with, without capturing the content of those interactions or sensitive identification information like Social Security numbers or passwords, according to the company.

Read the full article, and CEO & Founder, Chris Pierson’s thoughts, here.