While advances in computer and communications technology have made the network ubiquitous, they have also rendered networked systems vulnerable to malicious attacks devised from a distance. Nowadays, system administrators and network professionals can attempt to prevent such attacks by developing intrusion detection tools. In this study, the experiments were conducted following the Knowledge Discovery in Database process model. A total of 21,533 intrusion records are used for training the models. For validating the performance of the selected model a separate 3,397 records are used as a...