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I know must cell phone companies in the United States will call customer service if you dial 611 on the cell phone. But what I find interesting about this, a very large cell phone company in the US has started to send text messages to customers when you dial the customer service line as a “verification” step, then ask you for the contents of that verification text. I guess they didn’t get the memo on the second recommendation!

No, this verification scheme does work. The code is sent BEFORE the sim-swap is allowed. It goes to the victim’s phone, not the perpetrator’s phone,

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