Add Yahoo as a preferred source to see more of our stories on Google. What's a verification code, and why are they so important? Six-digit verification codes are a form of two-factor authentication, a ...

Six-digit verification codes are a form of two-factor authentication, a process that helps keep your important online accounts secure. For example, you might get a text message or email with a ...

WhatsApp is testing a new SIM-based verification system for Indian users to comply with government rules requiring accounts to remain linked to active mobile numbers.

The password must be between six and 20 characters long and include at least one letter and one number. Image: Shutterstock WhatsApp has announced the launch of a new password feature for users on iOS ...