Forget passwords. If you want strong online security, you need to be using multi-factor authentication wherever you can. Here's how to get started. I've been writing professionally about computers, ...

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Ready or not, two-factor authentication is something you’ll need to start thinking more about. This approach to online security, also known as two-step authentication, multi-factor authentication, or ...

How to set up two-step verification for your Google account Your email has been sent Google will now require all users to enable two-step verification to protect ...

In order to activate your WhatsApp account, you will first need to verify your phone number with a code that WhatsApp will send to you. When you get the code you can confirm your account. But what ...

Users — who live outside the US — can purchase an anonymous number through the Telegram founder’s Fragment blockchain, then use it to sign up for Telegram instead of using their own phone number.