It also reviews the DB2 UDB security model, including user authentication, user and group authorization, and super users.

文中还介绍了DB 2 UDB安全模型，包括用户身份验证、用户和组授权以及超级用户。

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For external applications that work with DB2, including te, this plug-in provides the means to directly control user and group authentication.

对于使用DB2的外部应用程序(包括TE)，此插件允许直接控制用户和组身份验证。

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Traditionally, Web sites have maintained their own authentication systems internally—including providing a user registry to store the end user’s digital identity.

过去，Web 站点常常在内部维护自己的身份验证系统，包括提供一个用户注册表来存储最终用户的数字身份。

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The banks have also been experimenting with more sophisticated forms of user authentication, including fingerprinting, iris-scans and biometrics.

ECONOMIST: Your flexible foe