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Former telecom manager admits to doing SIM swaps for $1k

bleepingcomputer.com

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Re: Former telecom manager admits to doing SIM swaps for $1k

#7
Man... on top of the obvious moral issue with enabling this hack, I'm astounded that someone would do this for $1k per person. Putting my freedom on the line would be so much more expensive than that.

On a more technical note, is there any safeguard against SIM swaps? Something like a fingerprint scan that's tied to your SIM. I'm not familiar with phone hardware at all but I'd love to hear if someone's working on this type of thing

Re: Former telecom manager admits to doing SIM swaps for $1k

#8
This is a good example of why SMS 2-factor is far less secure than TOTP or other methods. You do what everyone tells you, add 2-factor to your account, and then some rando at the local T-Mobile store enables SIM swapping for peanuts, and your whole digital life goes up in smoke.

Re: Former telecom manager admits to doing SIM swaps for $1k

#9
post #6

This is a timely post. I was going to do an "ask HN" on the best way to prevent a sim swap. I had heard about locking the SIM but then I heard this does not give much protection. What are your thought on best protection methods??

Just asked the same question, haha - it looks like some carriers allow you to lock your SIM from being ported to another number until you authorize it (either in person or through your accounts online). That being said, I guess if someone working at, say, Verizon was handling your switch, they might be able to switch it to a bad actor's phone before switching it to your legitimate one? Not entirely sure though -would love to hear a more informed answer.
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