Tap the toggles next to your phone numbers to lock the SIMs from being eligible to be ported.Swipe down near the bottom, under Security, and choose Number Lock.If not, tap the Account tab at the bottom > Edit profile & settings at the top.Tap the Discover tab on the left and see if there’s an option to turn on Number Lock at the top or near the top.But here’s how to turn on the valuable extra SIM lock switch: Without Number Lock on, Verizon requires you to generate a number transfer PIN before a port.
It’s likely not impenetrable but is definitely an improvement that all carriers should offer. That’s why we’d love to see T-Mobile and AT&T adopt a lock switch like Verizon. But PINs can be compromised through social engineering and other tactics. Using all of the security layers offered by your carrier is important. T-Mobile launched that this past spring and AT&T says “in most cases we’ll require you to provide that passcode before any significant changes can be made, including porting initiated through another carrier.” But Verizon goes a step further with “Number Lock.” How to stop SIM swap attacks on iPhone (US carriers) This year we’ve seen the major US carriers roll out more security features to help tackle the troubling hack – all of the major carriers have a separate security PIN in place for porting numbers to a different SIM. Read on for how to stop SIM swap attacks on iPhone.Īs a refresher, a SIM swap attack is when someone fraudulently transfers your phone number to a different SIM/phone which can allow them to access many of your other accounts. However, Verizon offers something beyond the competitors with its “Number Lock” feature. Do you use a SIM PIN? If you chose not to set and enable the SIM PIN, what is your reason? Do you find it tiring to enter the PIN each time you start your phone? Share your thoughts and opinions in the comments section below.The major US carriers have been working to increase account security to prevent a notorious hack fraudsters use called SIM swapping (or port-out scam). Now you know what the SIM PIN is, what it does, and why you should use one on your phone. That is not something you would want, so setting and using a PIN for your SIM card is always a good idea. Or, if the thief is someone close to you and directly interested in your private life, without an active SIM PIN, he or she might be able to also listen to your voicemail or read your new messages. However, in some cases, the thief might want that too. If your smartphone is stolen, the thief probably wants it for its value on the black market, not to make phone calls or access the internet using your voice and data plan. However, we do believe that you need a SIM PIN. An iPhone asking for the SIM PIN code Do you need a SIM PIN?Īll SIM cards have PIN codes, but using them is optional, as you can choose to disable them.
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