Two-factor authentication is a security measure that makes you pass two security tests before gaining access to your account or device.

For many Indians, WhatsApp is more than just another app. It's a way of life, a digital hangout they can't dream of living ...

To enable two-step verification on Telegram, go to the app's Privacy and Security settings and follow its prompts.

We're at the start of a defining test: can governments actually police the internet? Or will the measures make us less secure?