sim swap crime

I have heard that sim swap scams are becoming more prevalent. Someone gains access to your phone number from ATT for example, and then they can use the second factor Authorization to break into your bank accounts. Apparently, cyber crooks use social psychology methods on customer service reps at ATT (and other companies) to get your phone number transferred to their device. They claim they lost their phone, for example. I would like to know how they can gain access to your bank accounts if you never store user names and passwords on your phone's keychain. How do they know where you bank if you delete emails from your bank immediately upon reading them? How can they gain access to accounts with just your phone number?

iPhone 8, iOS 13

Posted on Sep 14, 2020 6:54 AM

Reply
7 replies

Sep 14, 2020 8:10 AM in response to rbxxx

You can’t protect your phone from a SIM swap attack, no matter what kind of phone it is. Even dumb phones are susceptible.


SIM swaps require collusion with carrier employees, who usually are bribed to do it. As they can go to jail if they are caught it has to be a very large bribe, so it generally isn’t done to unimportant people.


A SIM swap has only one purpose: to intercept 2 factor authentications. But to get that far the criminal needs to know your account ID and password for the account they want to attack.


A SIM swap does not give the criminal access to any content on your phone.


With most carriers you can add an additional passcode to your account beyond your user name/phone number and password. AT&T calls this “extra security” and you can implement it on your account from their online account management.


ADDED: If your number has been SIM-swapped, you will know it immediately, because your phone will show No Service.

Sep 14, 2020 7:54 AM in response to KiltedTim

I will happily admit to being a novice at this. I am trying to figure out how to protect my data on my iPhone from this sort of attack. Purportedly, a scammer can gain access to user names and passwords using one's illicitly obtained phone number from ATT. I am trying to find out how they do this so I can protect my data. Is it impossible for a hacker to use one's phone number to gain access to the keychain? Is this only affecting Androids?

This thread has been closed by the system or the community team. You may vote for any posts you find helpful, or search the Community for additional answers.

sim swap crime

Welcome to Apple Support Community
A forum where Apple customers help each other with their products. Get started with your Apple Account.