Скачать или смотреть What’s SIM Binding And How It’s Gonna Affect You

India is on the cusp of a major digital security shift, and it directly affects your favorite apps. The new SIM binding rule—a mandate being pushed by the government—is fundamentally changing how messaging and financial apps work. It would make it compulsory for apps like WhatsApp, Telegram and Signal to check if your original SIM card is physically present in your device. If it's not, they stop working.

It’s a game-changer for digital security, but also a huge headache for flexibility.
Let's break down exactly what SIM binding is, why it's here, and most importantly, how it's going to affect you.
SIM binding is a crucial security feature used primarily by banking and financial apps for years, and now, by government mandate, by messaging apps. Simply put, it creates a 'lock' between your specific app account and the physical SIM card linked to your registered mobile number. Unlike a standard login that only needs an OTP, SIM binding performs a deep, hardware-level check. When you set up an app like SBI YONO, Google Pay, or HDFC, the app forces your phone to send an encrypted SMS from your registered SIM card to the server. The server verifies two things: Is the mobile number correct? And is the unique ID of the SIM card, the IMSI or International Mobile Subscriber Identity, valid? If they match, the server 'binds' that device and SIM card to your account, performing silent, continuous checks to ensure the SIM is still present. This is the ultimate guard, as many suggest, against remote hacking and cloning.