他们的认证系统非常复杂。

Their authentication system is very complex.

银行要求每次登录都进行认证。

The bank requires authentication for each login.

网站的后端处理用户认证。

The back-end of the website handles user authentication.

由于凭证错误，认证过程失败了。

The authentication process failed due to incorrect credentials.

我们需要用户的认证才能访问系统。

We need user authentication to access the system.

你必须通过认证才能使用这个应用程序。

You must pass authentication to use this application.

系统在授予访问权限之前需要认证。

The system requires authentication before granting access.

双因素认证增加了一层额外的安全性。

Two-factor authentication adds an extra layer of security.

生物特征认证使用指纹或面部识别。

Biometric authentication uses fingerprints or facial recognition.

这个网站使用双重认证来提高安全性。

This website uses two-factor authentication to enhance security.