The Risk of Having Your Phone Number Out There
00:00:00.000 | The reason why having your number out there is a problem is because, if you think about
00:00:03.740 | it, most people who use multi-factor authentication, the second factor tends to be a code sent
00:00:10.940 | to their phone number.
00:00:11.980 | If your phone number is stolen as a result of a SIM swap, which is not as difficult as
00:00:16.740 | one would think, for a few bucks, unfortunately, people call people at mobile providers and
00:00:24.020 | get them to switch things based on the fact that they go, "I'm sorry.
00:00:29.740 | I forgot my password.
00:00:32.860 | This is my phone number, and I just got a new device, by the way, so can you please
00:00:36.780 | transfer to my new device?"
00:00:39.300 | And then, all of a sudden, you don't get the code.
00:00:41.580 | We've had cases where people have lost millions in cryptocurrency because the code was sent
00:00:48.540 | to the phone number that had been stolen by a hacker.