Microsoft's Encrypting File System has its limits-it doesn't support detailed data management and cannot keep information secure when it's legitimately (or not) copied to PDAs and removable storage media. Other encryption tools aim to do better, with most taking the full-disk encryption approach. The Credant Mobile Guardian (CMG) takes a different route. It lets administrators define policies that list which file types and directories should be encrypted, which encryption standard should be used, whether to encrypt data copied to removable storage media and much more.
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机译：微软的加密文件系统有其局限性-它不支持详细的数据管理，并且在将信息合法（或不合法）复制到PDA和可移动存储介质时，也无法确保信息的安全。其他加密工具的目标是做得更好，大多数都采用全盘加密方法。 Credant Mobile Guardian（CMG）采取不同的路线。它使管理员可以定义策略，该策略列出应加密的文件类型和目录，应使用的加密标准，是否对复制到可移动存储介质上的数据进行加密等等。
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