Hacker? Oh you mean the shitty Facebook password you have?

Getting a little bit of the schiz?

No SIM cards can’t be hijacked anymore… if they ever could?

All they are now is just a certificate that proves you are ‘this subscriber’ and all the cryptography hardware is inside the modem in the phone.

It’s also worth noting again, as others have already said: if someone found a way to install malware to a SIM card that then in turn could get into you phone and spy on you, they won’t use it on you.

They’ll use it on Xi Jinping.

If you want to be 99% less likely to have a virus, don’t use a “smartphone” use a phone that only have phone capabilities, maybe?

infected SIM card? well thats the biggest BS of this week Ive heard so far XD

Nope, chances for hacking.like that are zero to none. Whats more likely is he has acces to some accout somewhere or some your email that you use.

security analyst here. It’s very unlikely. not impossible. just extremely unlikely. the amount of data a sim card can hold is very miniscule so even using a few bytes to save a file that let’s say runs a reverse shell wouldn’t really be very feasible. The amount of money telecom companies use to secure their shit is insane.

That being said 0 day exploits are a thing but once they’re used they’re basically burned as companies scramble to patch. but hey. anything is possible man

But you’re probably fine

If anything it would most likely be the case that someone would hack your phone and gain access to other machines in your home network (eg printer, tv and etc) and re-infect your phone after you wipe it

It’s possible but very unlikely. It’s easier to infect a phone and keep persistence(software stays on the device even if you do a factory reset). Sim card malware is very limited in terms of capabilities. What is stopping you from ordering a new sim if you fear that this is the case?

Am I correct in understanding you got a new phone but not changing your number?

I would just change your number, set up a Google number, and only give people the Google number from here on out.

Unless you are a high valued target, it would seem very unlikely for your SIM card to contain any kind of malware.

If in doubt, just get a new SIM card. It shouldn’t cost more than a few dollars.

That being said, most “hacking” happens because people use too weak passwords, share the same password between services, and click to run/open files from suspect sources. If you don’t do any of the above, you are already 99% probably safe.

No. They can’t. A Sim card only has your carrier information on it. It cannot be used to upload / download Spyware onto your phone.

I mean it’s technically possible to use a SIM card to deliver malware during boot. You could always get a new SIM and the hacker can put malware on that one too.