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Two-factor authentication, abbreviated as 2FA, is an authentication process that requires two different authentication factors to establish identity. In a nutshell, it means requiring a user to prove their identity in two different ways before granting them access. 2FA is one form of multi-factor authentication.
2016年4月21日 · 雙重認證（two-factor authentication ），或者也有人翻譯成雙重認證、雙重身分認證，有些人往往會將它跟兩階段驗證（two-step verification）搞在一起，透過Net Wrok World這篇文章列出的五點，你就可以瞭解清楚這項技術。
2-step verification adds an extra layer of security to your Google Account. In addition to your username and password, you'll enter a code that Google will send you...
Two-step verification is a process that involves two authentication steps performed one after the other to verify that someone or something requesting access is who or what they say they are. Two-step verification vs. two-factor authentication
- Ivy Wigmore
With 2-Step Verification, also called two-factor authentication, you can add an extra layer of security to your account in case your password is stolen. After you set up 2-Step...
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What is two-step verification?
What is the difference between two-step verification and two-factor authentication?
How do I set up 2-step verification?
Which two-step verification products and services are 2FA?
Two-factor authentication (2FA), sometimes referred to as two-step verification or dual-factor authentication, is a security process in which users provide two different authentication factors to verify themselves. 2FA is implemented to better protect both a user's credentials and the resources the user can access.
Google will turn on 2-Step Verification soon for many accounts. Using a second step to sign in is quick and easy, and it makes your Google Account much more secure. How 2-Step...
