It is one of the important tasks for the cyber security to prevent intrusions into one database or the system. It is necessary that intrusions should be detected if it occurs. A new program or modification of the computer code helps the intruder in preventing intrusions. An intruder is a person who gains control of substation computer. (Akande, 2015) New established software could be programmed to gather data very speedily or for sending the data to the intruder when it is required. (Matsui, 2014) As it is considered necessary to detect intrusions, for this purpose various manufacturer of IT security system have developed intrusion detection system (IDS).