] Microsoft released a plug-in for Internet Explorer that
] is designed to protect sensitive documents from
] unauthorized editing or copying--an early step in its
] effort to encourage corporations to use its software to
] share sensitive information.
]
] The Rights Management Add-on, available in a beta, or
] test version, allows permitted users to view files, the
] company said. The Web browser plug-in is meant to help
] companies protect sensitive documents, e-mail and other
] Web-based data from being manipulated, forwarded or
] copied by unauthorized individuals.

IE beta plugs document leaks | CNET News.com