International Journal Of Engineering And Computer Science
covert channel is any methodology of communication that`s accustomed illicitly transfer data, so breaking the protection policy of a system. A network covert channel is a covert communication by hiding covert messages in to overt network packets. Any shared resource will probably used as a covert channel. In recent years with the development of various hiding methods, network covert channel has become a new kind of threat for network security. A covert channel is an unintended design within legitimate communication whose motto is to leak information as a part of rudimentary protocols.