 The case involved the on-set prop gun shooting death of cinematographer Helena Hutchins during the filming of the movie Rust. Assessing the damage after AT&T customer information was downloaded to a third-party platform. Here's CBS's Jolene Kent. This is one of the biggest breaches in corporate history, and it affects nearly every single AT&T customer. The good news is, the silver lining here is that the content of the texts and calls that were breached were not necessarily accessed.