(INFLIBNET Centre, 2001-03) Mukut, Sarmah; Chakraborty, Sumana
Usage of digital media has witnessed a tremendous growth during the last decades, as a
result of their notable benefits in efficient storage, ease of manipulation and
transmission. However these features make digital media vulnerable to copyright
infringement, tampering and unauthorized distribution. The access provisions and
security or protection of digital resources has received significant attention within the
digital media community, and a number of techniques in this respect have been evolved.
In this paper we have discussed some of the reasons for attacking the digital resources;
authentication, authorization, data hiding techniques for copyright protection and also
some relevant topics of research results.