Date Added: May 2013
Security is crucial to networks and applications. So with the huge explosion of public internet, ecommerce, private computers it has become necessary to secure them properly otherwise they are increasingly vulnerable to malicious attack and various threats. Network structure itself allows many security threats to occur because of many loopholes and improper maintenance. This paper discusses various network threats and proposes their preventive methods which helps in protecting individuals, organizations from intruders and ensures that the information or data travelling on network is safe and protected.