Man sues AT&T, saying he lost $1.8M in cryptocurrency with SIM card hack

A California man is suing AT&T after he says one of its employees allowed a hacker to access his cell phone number that resulted in his data being compromised and more than $1.8 million in cryptocurrency stolen from his accounts.

Seth Shapiro says that an AT&T employee allowed a hacker to swap his phone number from his phone to a separate device, which resulted in “the compromise of highly sensitive personal and financial information and the theft of more than $1.8 million,” according to court documents.

The process of so-called “SIM swapping” allows hackers a way to gain access to all the information tied to a phone number potentially giving them access to every email, photo, app and more on the phone.

“It’s sort of out of anybody’s worst nightmares,” Shapiro told ABC News. “I’ve since learned this has happened to many people.”

Courtesy Seth Shapiro

In May 2018, Shapiro, who has a background in tech, said he realized…