SIM Swapping: What It is & How to Protect Your Data

SIM swapping attacks are popular and pose significant risks to businesses that use SIM cards frequently. The attacks start with the subscriber identity module (SIM) cards that store users’ data and connect to the Global System for Mobile Communications (GSM). Users can always remove their current SIM cards and reinstall them on new devices.

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SIM swapping occurs when the attackers impersonate SIM card users and try to convince cellular providers that they have damaged or lost their cards and need to move the users’ data to new SIM cards in their possession. That could transfer ownership to the attackers, leaving legitimate users vulnerable to cyber threats.

How SIM Swap Fraud Happens

SIM swap frauds start when attackers visit social media platforms and obtain as much information as possible regarding their targets. With such data, they’ll contact cellular providers and pretend to be the legitimate users who want their SIM data rerouted.

If successful, the data will get transferred from the users’ phones to attackers’ devices. The attackers can then use the information to recover passwords used in e-commerce sites and corporate email accounts. They can also intercept one-time SMS texts.

Red Flags to Watch For

As a SIM card user, beware of the following indicators of SIM swap fraud.

  • Notifications of suspicious activities: Most cellular providers will be sending email alerts or calling users to notify them about odd behaviors.
  • Unable to send texts or make calls: If you are suddenly unable to send text messages or make or receive calls, you may be a victim of sim hijacking.
  • Denial of your account access: If you suddenly find yourself locked out of your business accounts, SIM swap fraud can be the possible cause.

Protecting Yourself from SIM Fraud

The best way to protect yourself from SIM hijackers is by keeping personal data private. You shouldn’t share such information on social media platforms, like a Twitter account, since it will make you more vulnerable to SIM swapping attacks. Don’t respond to texts, phone calls, or emails requesting personal information without verifying the source. 

Keep Your Devices Secure

SIM swapping attacks can pose significant threats to your business. Attackers can steal personal information, change your SIM card ownership, and even access your bank accounts’ passwords. Keep your device secure by creating an account PIN that must be issued before making any changes to your account. That will frustrate the attackers.

Connect with us to learn more tips and ideas for protecting yourself from SIM frauds.