Sim swap attack

This morning I woke up to what I am pretty sure was a Sim Swap attack.I got a text from Coinbase saying my password had been reset. When I went in to try to fix it, my email password had been changed as well. At this point I started freaking out and noticed I didn’t have cell service. I knew what was happening.I reset my phone and the service was back. I was able to get into my Coinbase and nothing went missing. I immediately dumped everything into my Ledger. So I got lucky there. I then got into my email and changed the password. I then noticed an email alert from earlier in the day letting me know my password had been changed from the UK (I’m from USA) and they used my phone number as the security method. So it seems they were able to get into my email using my phone number and that is when I knew it was a Sim swap.I then went in and changed all my passwords (everything from my banks to my Netflix) and added 2FA to anything that didn’t already have it. I also changed my security phone number on my email account to a google voice number. I am going to go back and do this on anything else that uses texts for 2FA.I then called my cell provider and they said my Sim was in fact swapped earlier in the morning and swapped back about 15 minutes later (must have been when I reset my phone.) They said they would hand it over to the fraud department. I also tried to get a brand new Sim Card at the T-Mobile store but they were unable to do it because of the fraud department locking my account until they get back to me.My question is this. Have I done everything I need to do to protect myself from this happening again? I got lucky and it doesn’t seem like I lost anything so far, but I am worried that if they were able to get in once, they can get in again. I’ve been paranoid all day and my stress is trough the roof. Changing passwords, adding 2FA, using google voice for text 2FA, and getting a new SIM card; will these things protect me from the recent attack as well as prevent others?

Submitted February 03, 2020 at 01:01AM

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