![]() There are several models of U2F key to choose from all of them look like variations on a compact USB stick. A hacker might find a way to snoop on your passwords or intercept a six-digit 2FA code while it’s being sent to your phone, but they’d be hard pressed to snatch an actual key off your keychain. These little key-shaped fobs plug into your computer and, along with your password, complete the second half of a 2FA web login. The best way to set up two-factor authentication is to use a secure app on your phone to generate those six-digit codes or to carry a piece of hardware that can verify your identity.Ī device like the YubiKey is just that sort of hardware. Combined with a strong passphrase like those generated by password managers such as 1Password or LastPass, a 2FA login is quite effective at verifying your identity.īut no matter how strong a password is, or what level of code-based authentication a website is using, any system that sends codes in a text message can be compromised from afar by a skilled attacker. When a unique scramble of numbers shows up on your phone, you type them into the browser along with your password at the login screen. ![]() One of the more common 2FA methods in use today employs six-digit passcodes that are sent to your phone via text message. This protocol-commonly abbreviated as 2FA-requires you to type in a password and also provide one other piece of proof that you are who you say you are before you can log in to a service. One of the most important steps you can take to secure your online services is setting up two-factor authentication. ![]() As we become more dependent upon online platforms for social and professional purposes, it grows increasingly important that we embrace stronger online security measures.
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