International Journal of Computer Applications
Now-a-days it is a vital role to provide a high level security to protect highly sensitive and private data. A lot of work is required to be done in the field of application of AI techniques to the field of network security. Firewall alone is just not enough to protect a corporate network from all type of internal and external threats. It is beyond the limits of conventional technologies to cope up with new and new attack patterns and exploitations of system vulnerabilities. Intrusion Detection System (IDS) is a software or hardware device which is the essential technology in network security.