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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 have likely used two-factor authentication, or 2FA, quite frequently, without even knowing what it was. 2FA refers to the fact that an individual must input two pieces of login information in two steps to prove his or her legitimacy. The most prevalent example of two-factor authentication happens at a bank ATM, no matter where you happen to be. When you put your debit card into the machine, it functions, so to speak, as your login information. Once that step is over, you will be asked to type in your PIN number as proof that you are the individual who owns the card and the associated account. 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. The remainder of this guide will teach you about some forms of two-factor authentication you’ve likely seen on the web at some point in time, or are sure to see in the future. One-Time SMS Passwords Can Be Useful
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In some cases, once you’ve entered your username and password, the system will prompt you to allow the delivery of a one-time use password via a text message. This provides the system with proof that you have access to the phone number that is on file for you; a thief, in almost one-hundred percent of situations, wouldn’t be able to do this. The single downside of one-time use SMS passwords is that people who only have landlines can’t use them.
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Login Verification Is a Wonderful Solution 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 involves entering another piece of personal information that only you would 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 operate any kind of website, you must learn as much as you can about two-factor authentication so you can use the right type to help your users feel as secure as possible when they log onto your system. If you employ a webmaster, make certain he or she knows to make your site as secure as current technology will allow.