Journals Proceedings

Abstract

SECURITY in this contemporary scenarios has become a more sensible issue either it may be in the REAL WORLD or in the CYBER WORLD. In the real world as opposed to the cyber world an attack is often preceded by information gathering. Movie gangsters case the joint; soldiers scout the area. This is also true in the cyber world. Here the bad guys are referred to as intruders, eavesdroppers, hackers, hijackers, etc. Today the illicit activities of the hackers are growing by leaps and bounds, viz. THE RECENT ATTACK ON THE DNS SERVERS HAS CAUSED A LOT OF HULLABALOO ALL OVER THE WORLD. However, fortunately, the antagonists reacted promptly and resurrected the Internet world from the brink of prostration. Since the inception of conglomerating Computers with Networks the consequence of which shrunk the communication world, hitherto, umpteen ilk of security breaches took their origin. Tersely quoting some security ditherers - Eavesdropping, Hacking, Hijacking, Mapping, Packet Sniffing, 1Spoofing, DoS & DDoS attacks, etc. This paper covers the ADVANCED technical combats that have been devised all through the way, thus giving birth to the notion of NETWORK -SECURITY. Various antidotes that are in fact inextricable with security issues are - Cryptography, Authentication, Integrity and Non Repudiation, Key Distribution and certification, Access control by implementing Firewalls etc. This paper covers a wide perspective of such arenas where the contemporary cyber world is revolving around viz.