Authentication is a process to verify a person's identity for security purposes and authentication factor is the piece of information used to achieve it.

身份验证是出于安全目的检查人员身份的过程，而身份验证因素是用来实现身份验证的信息。

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The proxy can be extended to implement multi-factor authentication and further strengthen the authentication requirements of Internet users.

代理可以通过扩展的方式实现多重身份认证，进一步强化互联网用户的认证需求。

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This forms the first factor of the authentication.

这是第一个身份验证因素。

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If businesses choose, they can opt for single-factor authentication, though two-factor security is also an option -- as unique as the veins in your palm are, it's still possible for the reader to register a false positive.

ENGADGET

To address these needs, this product includes a fingerprint reader and smart card reader for effective two-factor authentication.

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We all know by now that two-factor authentication drastically increases the security of an online account.

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