What is a technological solution that allows publishers to control their digital media to discourage, limit, or prevent illegal copying and distribution?

Digital rights management

Explanation:

Digital rights management  is the process of controlling and protecting copyright in digital media and goods field. It does not permit redistribution of digital media content through copying in illegal manner.

Unauthorized copyrighted media is prohibited by consumers and neither selling or buying. This mechanism if followed by tracking and monitoring any piracy act or copying act, stopping steal and attack on digital media etc.

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