DRM (digital rights management) is the enforcement of restrictions on access control to data through technical means, such as copy protection.

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Are there DRM techniques to effectively prevent pirating?

A question on Skeptics.SE asks whether current DRM techniques effectively prevent pirating: Is DRM effective? The question for IT Security is: Can DRM be made effective, and are there any examples? ...
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Practical DRM for pdfs

An organization I am consulting for is trying to find a DRM solution for an ebook that they publish internally. It is in pdf format. Does anybody have experience with DRM for pdfs, and if so, any ...
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How far can we go in preventing videos from spreading out using P2P networks like BitTorrent?

Everyday, I see many of my friends downloading movies off P2P networks like BitTorrent. Isn't there any way for those hardworking movie producers to save their work from being distributed like this? ...