Intruder detectors are the system of monitoring the network traffic related to any suspicious activity and issues alerts when such activities are discovered. Its primary function is the continuous checking of a proprietary network for unusual events or trends, but some of the intruder detectors are also capable of taking actions when any hostile activity and irregular traffic is noticed, as well as blocking traffic sent from apprehensive IP addresses. These intruder detection systems are to be installed carefully and finely tuned at the time of installation or they may be liable to the false alarm. That means appropriately aligning the intrusion detector and defining what the normal traffic on the network looks like as compared to any malicious activity. These detectors can also be used for monitoring the network packets for potentially damaging network traffic. There are several types of intruder detectors available in the market for the detection of suspicious activities using dif