WhatsApp is launching a new beta version for Android users to use the new security feature; a 6-digit code to log into WhatsApp on different devices.

6-digit PINs are far more secure than their 4-digit counterparts - here's how and why to make the switch on both mobile and on PC.

Congratulations. Your account is not only protected with two-factor authentication, but with the added security of Google's six-digit authenticator code.

Google's two-factor authentication tool for Gmail has traditionally consisted of six-digit verification codes sent via SMS messages. Google is reportedly looking to replace the SMS ...