Phishing Websites Detection Model based on Decision Tree Algorithm and Best Feature Selection Method

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Dalia Shihab Ahmed, Assist. Prof. Dr. Karim Q. Hussein , Hanan Abed Alwally Abed Allah

Abstract

The ongoing progress of network technology has a huge influence on their broad acceptance in many facets of our life in recent time. Phishing websites have suddenly emerged as a major cybersecurity concern. Phishing websites are counterfeit web pages created by hackers to replicate the web pages of legitimate websites in order to deceive users and steal personal information such as usernames and passwords. Despite the fact that several techniques for identifying phishing websites have been presented, phishers' strategies have evolved to circumvent detection. One of the most efficient approaches for identifying these harmful behaviours is machine learning. This is due to the fact that most phishing attacks exhibit features that machine learning algorithms can recognize. Accurate identification of phishing websites is a tough subject since it is based on various dynamic elements. This study proposes a Decision Tree (DT) classifier with optimal feature selection for
phishing website detection, with the goal of improving the classification of phishing websites as phishing or legitimate websites. The experiments were conducted out using the publicly available phishing website dataset from the UCI Machine Learning Repositor, which comprises 4898 phishing websites and 6157 legitimate websites. We extract 30 features from this dataset. In addition, we selected 20 of the most significant features, such as wrapper and correlation-based feature selection.
Ten-fold cross-validation was utilized for training, testing, and validation. The best experimental result was obtained by using 20 of the 30 features and submitting them to the classification algorithm. This study obtained 98.80% accuracy the wrapper - based features selection strategy, that is outperformed the DT classifier, with other feature selection method.

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