V2EX multi-factor authentication

Multi-Factor Authentication

释义 Definition

多因素认证(常缩写为 MFA):一种身份验证方式,要求用户提供两种或以上不同类别的验证因素来登录或确认身份,常见因素包括:

  • 你知道的:密码、PIN
  • 你拥有的:手机验证码、硬件令牌(security key)
  • 你是谁:指纹、人脸等生物识别
    用于显著降低仅靠密码被盗用后导致账号被入侵的风险。

例句 Examples

I enabled multi-factor authentication on my email account.
我在邮箱账号上启用了多因素认证。

Even if attackers steal your password, multi-factor authentication can prevent unauthorized access by requiring a one-time code or a security key.
即使攻击者窃取了你的密码,多因素认证也能通过要求一次性验证码或安全密钥来阻止未授权访问。

发音 Pronunciation

/mltifktr θen.tke.n/

词源 Etymology

该短语由 multi-(“多、多个”)+ factor(“因素”)+ authentication(“认证、鉴别”)组成。其核心思想是在安全领域中引入“多种不同类别的证据”来证明身份,避免把安全完全押在单一因素(通常是密码)上。

相关词 Related Words

文学与著作 Literary Works

  • *NIST Special Publication 800-63B: Digital Identity Guidelines (Authentication and Lifecycle Management)*(美国国家标准与技术研究院身份认证指南,常讨论/使用多因素认证概念与术语)
  • Zero Trust Networks(Evan Gilman & Doug Barth,网络安全著作,涉及以强身份与MFA为基础的访问控制思想)
  • Security Engineering(Ross J. Anderson,信息安全经典教材,涵盖认证机制与多因素认证的安全动机)
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