Encryption no longer an optional technology


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Rights management is a more advanced form of application-level encryption that's starting to gain popularity. Rights management is a technology that allows permissions to be assigned to an encrypted file. For example, such a policy might prevent users from copying data out of the file or from printing a protected document.

The nice thing about rights management is that permissions are typically linked to a backend server. This means that if a user were to copy a rights managed file onto removable media and then leave the company, the administrator could prevent the data in that file from being accessed by the former employee by simply removing the rights.

Windows natively supports rights management, but third-party products offer similar capabilities. For the most part, rights management works very well, but the initial setup can be complicated, depending on the product. Also, depending on how rights management is set up, mobile users may not be able to open rights managed documents unless they have connectivity to the company's rights management server. Another potential downside is that not all types of data can be rights managed. On the upside, rights management does solve the management headaches typically associated with application-level encryption.

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This was first published in October 2008

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