Security keys can eliminate some of these inherent vulnerabilities. But most basic 2FA systems use SMS text messages to send passcodes, a method that is vulnerable to skilled attackers and techniques such as SIM-jacking. With two-factor authentication (2FA), a second element – something you have – is required during the login process. ![]() With two-factor authentication, your account security is largely determined by two factors – something you know, such as your password, and something you have, such as access to an OTP code on your phone. How to Use FIDO Security Key to Log into Your Mac Furthermore, they have some of the same functions as USB keys. Like USB flash drives and USB keys, FIDO security keys have a similar appearance. ![]() Macs, iPhones, and Windows devices all support this verification solution because it improves security, protects privacy, and simplifies the verification process. The technology is used in scenarios such as fingerprint logins and two-factor logins, allowing users to access their accounts using biometric features or FIDO security keys. ![]() The Fast Identity Online (FIDO) protocol is a technical specification that specifies how to authenticate online user identities.
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