Thesis (M.Sc.) - Cairo University - Faculty Of Computers and information - Department Of Information Technology

A computer system intrusion is seen as any set of actions that attempt to compromise the integrity , confidentiality , or availability of a resourceThe introduction of networks and the Internet as a medium for wide scale electronic communication caused great concern about the protection of sensitive informationAlthough prevention methods such as access control , authentication , and encryption attempt to prevent intruders , these can fail , and as a second line of defense , intrusion detection has been introducedIntrusion detection systems are responsible for monitoring and analyzing host or network activity to detect intrusions in order to protect unauthorized access or manipulation

Issued also as CD