This becomes especially important since losing the security key means you’ll normally be locked out of your accounts. While authenticating with a security key only takes a couple of seconds, you’ll always need to have it with you if you’re logging into accounts on new devices. That makes physical security keys much more secure than SMS authentication, since hackers have been known to hijack phone numbers via SIM-jacking to intercept and steal those one-time 2FA passcodes. The biggest benefit of a physical security key is that your authentication codes are stored in a single tangible place that’s likely on your person or somewhere else secure.īecause of that, an attacker is going to have an extremely hard time logging into your accounts without access to both your password and that physical security key. If you’re already logged into a Gmail account on your primary iPhone, for instance, you wont need to authenticate every time you open the app. Keep in mind that, just like regular text-based 2FA, you’ll only need to authenticate on new devices or systems that you don’t use regularly. On iPhones, this is typically done by near-field communication (NFC) or by simply plugging the security key into your iPhone. Instead of authenticating via text, you’ll confirm that it’s really you trying to log in with your security key. Security keys essentially offer an alternative to this. You’re likely already familiar with those one-time codes sent via SMS. Two-factor authentication is a security feature that requires a second step before you can log into your accounts. What is a security key? A security key is something you should add to your cybersecurity toolbelt. Here’s what you need to know about security keys and how to use them on your iPhone. How to Protect Yourself Against These Common Apple-Related Scams (Checklist Included).How to Check Your App Download History on your iPhone.7 iOS privacy tips and tricks you didn’t know.Protecting Your Privacy and Security on Safari, How-To.And best of all, most of them are 100 percent compatible with your iOS devices. Physical security keys are maybe one of the best ways to shore up your online defenses. That’s where a physical security key can come in. But while a great step toward improving your cybersecurity, SMS-based 2FA is still not completely secure. We’ve long extolled the benefits of two-factor authentication for all of your online accounts.
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