-Common Types of Two-Factor Authentication
A Guide to Common Types of Two-Factor Authentication on the Web By Jacob Hoffman-andrews, www.eff.org
Two-factor authentication (or 2FA) is one of the biggest-bang-for-your-buck ways to improve the security of your online accounts. Luckily, it's becoming much more common across the web. With often just a few clicks in a given account's settings, 2FA adds an extra layer of security to your online accounts on top of your password.
The Different Forms of Two-Factor Authentication: SMS, Autheticator Apps, and More By Chris Hoffman, www.howtogeek.com
Many online services offer two-factor authentication, which enhances security by requiring more than just your password to sign in. There are many different types of additional authentication methods you can use.