
Today, a smartphone is more than just a means of communication — it’s the key to your entire digital life: online banking, social networks, email, and two-factor authentication. Many users believe that setting a PIN on their SIM card is enough to stay safe from attackers. In reality, this code is a relic of the past, designed for completely different purposes, and it cannot withstand modern cyber threats. Let’s explore why a standard SIM PIN won’t save your number — and what you can actually do to protect it.



