![]() For example, your password as well as an additional security question (eg mother's maiden name, first pet's name, etc.) is “something you know”. If your account uses two locks of the same factor, you have 2-Step Verification. You have the best defense that combines two of these factors. In this case, the factor is “what you know” (for example, a password), “what you have” (for example, a phone), or “what you are” (for example, a fingerprint). Two-factor authentication works by blocking your account with two separate "factors". So here's your quick guide to incorporating 2FA in its various forms across a multitude of online accounts. In some places, 2FA also has slightly different names. Password for your password, in a sense.ĢFA works differently depending on the account you use. 2FA provides an additional layer of security for your online account by requiring a second login token on a separate device. Two-factor authentication (2FA) is a hot topic and for good reason. Two-factor authentication for email is worth it.
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