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Digital Rights Management


Mir Mohammad Azad, Abu Hasnat Shohel Ahmed, Asadul Alam


Vol. 10  No. 11  pp. 24-33


Digital rights management (DRM) is a generic term for access control technologies that can be used by hardware manufacturers, publishers, copyright holders and individuals to impose limitations on the usage of digital content and devices. The term is used to describe any technology that inhibits uses of digital content not desired or intended by the content provider. The term does not generally refer to other forms of copy protection which can be circumvented without modifying the file or device, such as serial numbers or key files. It can also refer to restrictions associated with specific instances of digital works or devices. Digital rights management is used by companies such as Sony, Amazon, Apple Inc., Microsoft, AOL and the BBC. The use of digital rights management is controversial. Proponents argue it is needed by copyright holders to prevent unauthorized duplication of their work, either to maintain artistic integrity or to ensure continued revenue streams.