International Journal of Computer Applications
With the growth of cyber attacks, information safety has become an important issue all over the world. Many firms rely on security technologies such as Intrusion Detection Systems (IDSs) to manage information technology security risks. IDSs are considered to be the last line of defense to secure a network and play a very important role in detecting large number of attacks. However the main problem with today's most popular commercial IDSs is generating high volume of alerts and huge number of false positives. This drawback has become the main motivation for many research papers in IDS area.