Date Added: Jun 2012
In today's information society, information has become a valuable asset and there is increasing dependence on access to information. This makes individuals, organizations, and nations highly vulnerable to information security attacks. Finding effective ways to protect information systems, networks and sensitive data within the critical information infrastructure is challenging even with the most advanced technology and trained professionals. This paper describes the various network and information security issues and the explained the technical aspects of how to improve network information security.