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Helpful Descriptions of Different Kinds of Two-Factor Authentication In this day and age, with so many people doing so many things online, personal security is of the essence. One way companies help to keep their users’ personal information secure online is by using two-factor authentication. You’ve probably used two-factor authentication, or 2FA, on a regular basis without even realizing it. 2FA refers to the fact that an individual must input two pieces of login information in two steps to prove his or her legitimacy. A primarily example of two-factor authentication takes place at bank ATMs everywhere. When you put your debit card into the machine, it functions, so to speak, as your login information. After that step, you must enter your PIN number to prove that you are actually the person to whom the card belongs. 2FA is engineered to make sure identity thieves and other sorts of criminals are unable to do anything to seriously harm you before they are stopped. As you continue looking through this guide, you will see additional information about some of the popular forms of two-factor authentication you are sure to run across online at one time or another. One-Time SMS Passwords Can Be Useful
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Sometimes, companies ask you to allow them to send you a one-time use password as a text message after you’ve input your username and password. This proves to the system that you have access to the phone number they have on file for you; a thief, in almost all cases, would not. The sole downside to one-time use SMS passwords is that individuals who just have landlines are unable to utilize them.
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Login Verification Is Another Good Option If you’ve ever registered for a website where you have to enter answers to security questions, such as what street you grew up on or what your dog’s name is, you’ve probably used login verification at some point in time. Login verification is a process that necessitates you enter a second piece of personal information other people would not know after you’ve put in your username and password. The downside to this is that, at least in theory, a thief could know the answer to your personal question, even though it isn’t likely. If you happen to run a website, it is especially important for you to fully understand two-factor authentication, as you’ll likely need to implement it to make your users feel safe and secure. If you have a webmaster, make sure you work with him or her to make your site as secure as it can possibly for.