SIM hijacking and the flaws of traditional two-factor authentication


SIM hijacking recently emerged as fraudsters’ latest tactic to access your personal accounts. And to be honest, it’s impressive.

By tricking mobile service providers into believing he’s actually you, a hacker can transfer your telephone number to his device. Once the switch is made, the hacker gains access to your online accounts and can even receive two-factor authentication codes sent to your phone.

Although SIM hijacking takes a devastating toll on users’ privacy and digital security, the mobile industry is still struggling to prevent these kinds of attacks. But here’s what we know for sure: Phone numbers are a deeply flawed method of security.