What Verizon, AT&T, Sprint & T-Mobile are doing to prevent SIM card swapping [telecom]

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By Craig Johnson

SIM card swapping is a major problem for cell phone users. It involves a criminal transferring your mobile account information, including your phone number, from your SIM card to a different one.

Once they take control, crooks can gain access to your account and pretend to be you. Even without your passwords, they can pull money from your accounts by accessing password reset codes that are often sent as a text message to your phone.