Todays age of universal electronic connectivity is also the age of viruses, worms, bots, trojan horses, trapdoors, rabbits, root kits and hackers. It is the age of eavesdropping and electronic fraud. Exponential growth in computer crimes is plaguing the digital information systems all around our globe. This highlights the importance of Information Security in the current era, due to an outsized variety of cyber threats. Past several years research has introduced many dimensions to detect malicious attacks in order to secure system resources and data. One of these dimensions is "Intrusion...