AT&T is rolling out a protection that prevents unauthorized changes to mobile accounts as the carrier attempts to fight a costly form of account hijacking that occurs when a scammer swaps out the SIM card belonging to the account holder.
The technique, known as SIM swapping or port-out fraud, has been a scourge that has vexed wireless carriers and their millions of subscribers for years. An indictment filed last year by federal prosecutors alleged that a single SIM swap scheme netted $400 million in cryptocurrency. The stolen funds belonged to dozens of victims who had used their phones for two-factor authentication to cryptocurrency wallets.
Wireless Account Lock debut
A separate scam from 2022 gave unauthorized access to a T-Mobile management platform that subscription resellers, known as mobile virtual network operators, use to provision services to their customers. The threat actor gained access using a SIM swap of a T-Mobile employee, a phishing attack on another T-Mobile employee, and at least one compromise of an unknown origin.
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This articles is written by : Nermeen Nabil Khear Abdelmalak
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