This theory suggests emotions involve physical arousal and cognitive appraisal Reviewed by Amy Morin, LCSW Emotions consist of physical arousal and how we think about that arousal. Schachter and ...

What is two-factor authentication, and why do experts say it's the key to better online security? Two-factor authentication—often referred to as two-step authentication and 2FA—is a method for keeping ...

You've no doubt heard about two-factor authentication at some point in the relatively recent past, but if you're like many consumers, there's a good chance you haven't actually used it yet. If that's ...

Twitter announced yesterday that as of March 20, it will only allow its users to secure their accounts with SMS-based two-factor authentication if they pay for a ...

Protecting an account with just a username and password is not very smart. Both can be stolen, guessed, or cracked too easily. This is why two-factor authentication (2FA) is recommended for all ...