Many apps and websites require you to enter a verification code to log in. For some services, you only need to enter your phone number or email address and then use a ...

, a process that helps keep your important online accounts secure. For example, you might get a text message or email with a six-digit code that you must enter when you log into your bank account.

With more than a decade of experience, Nelson covers Apple and Google and writes about iPhone and Android features, privacy and security settings, and more. I speak for absolutely every iPhone user ...