它涵盖任何安全管理解决方案都具有的要素，比如用户认证、访问权限控制、审计、单点登录、高可用性和日志记录。
This includes authentication of users, control of access privileges, auditing, single sign-on, high availability, and logging that are elements of any security management solution.
通过适当地认证和访问控制，确保只有具有适当身份和经过授权的用户可以访问数据，可以处理大多数数据安全问题。
Most issues of data security can be handled by appropriate authentication and access control, ensuring that only properly identified and authorized users can access data.
JAAS提供了对用户进行认证和控制访问资源的模块化机制。
JAAS provides a modular mechanism for authenticating users and controlling access to resources.
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