![]() Verizon's 2017 Data Breach Investigations Report found that 81 percent of account breaches could be put down to passwords that were either leaked in this way, or passwords that were so weak (e.g., "passw0rd") that they were trivially easy to guess. ![]() Most people reuse passwords across multiple sites and accounts a hacker can plug in known email address/password pairs into dozens of sites and see which of them provides access. One of the primary reasons, as Hacker Noon notes, is that widespread major data breaches, which have put millions of email address/password pairs up for sale on the dark web, have made many passwords less secure. Adding an additional step just makes logging in to your account more difficult. After all, passwords have been the standard for everyday infosecurity for a generation now. ![]() We'll dive into the details of how different two-factor authentication methods work in a minute, but before we go there, let's first answer the question why. With two-factor authentication, you'll need to both provide a password and prove your identity some other way to gain access.Īs passwords have become increasingly less secure, whether through data breaches or poor user practices, more and more individuals are moving to 2FA to secure their digital lives - and many service providers are encouraging or mandating the shift as well. By far the most common authentication factor in use today is the username/password pair, and since most accounts only require a password for access, most systems thus use single-factor authentication for security. ![]() Two-factor authentication (2FA) is a method of establishing access to an online account or computer system that requires the user to provide two different types of information.Ī factor in this context simply means a way to convince a computer system or online service that you are who say you are, so the system can determine if you have the rights to access the data services that you're trying to access. ![]()
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