https://thenextweb.com/security/2019/08/07/att-employees-bribed-with-1m-to-unlock-millions-of-phones/

AT&T employees unlocked millions of mobile phones to plant malware and remove the phones from the provider’s network — all for thousands of dollars in bribes.

The details were revealed after the US Department of Justice opened a case against Muhammad Fahd, who has been accused of running a fraudulent operation to disable AT&T‘s proprietary software that safeguards phones from being unlocked.