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All Journal International Journal of Evaluation and Research in Education (IJERE) Jurnal Kependidikan: Penelitian Inovasi Pembelajaran Jurnal Buana Informatika TELKOMNIKA (Telecommunication Computing Electronics and Control) Jurnal RESTI (Rekayasa Sistem dan Teknologi Informasi) Journal of Information Technology and Computer Science Cyberspace: Jurnal Pendidikan Teknologi Informasi INOVTEK Polbeng - Seri Informatika JURNAL TEKNIK INFORMATIKA DAN SISTEM INFORMASI JURNAL PENDIDIKAN TAMBUSAI JIPI (Jurnal Ilmiah Penelitian dan Pembelajaran Informatika) Antivirus : Jurnal Ilmiah Teknik Informatika Jutisi: Jurnal Ilmiah Teknik Informatika dan Sistem Informasi Progresif: Jurnal Ilmiah Komputer Jurnal JTIK (Jurnal Teknologi Informasi dan Komunikasi) Jurnal Mnemonic INFORMASI (Jurnal Informatika dan Sistem Informasi) JOURNAL OF INFORMATION SYSTEM RESEARCH (JOSH) Abdimasku : Jurnal Pengabdian Masyarakat Aiti: Jurnal Teknologi Informasi Jurnal Teknologi Informasi dan Komunikasi Jurasik (Jurnal Riset Sistem Informasi dan Teknik Informatika) Journal of Business and Audit Information System (JBASE) Jurnal Indonesia : Manajemen Informatika dan Komunikasi Decode: Jurnal Pendidikan Teknologi Informasi Jurnal Minfo Polgan (JMP) Prosiding Seminar Nasional Sisfotek (Sistem Informasi dan Teknologi Informasi) Jurnal Pengabdian Papua IT-Explore: Jurnal Penerapan Teknologi Informasi dan Komunikasi Eduvest - Journal of Universal Studies SmartComp Jurnal Pendidikan Teknologi Informasi (JUKANTI) Jurnal Indonesia : Manajemen Informatika dan Komunikasi Kesatria : Jurnal Penerapan Sistem Informasi (Komputer dan Manajemen)
Evangs Mailoa
Universitas Kristen Satya Wacana
Aerospace Engineering Humanities Computer Science & IT Control & Systems Engineering Decision Sciences, Operations Research & Management Economics, Econometrics & Finance Education Electrical & Electronics Engineering Engineering Health Professions Industrial & Manufacturing Engineering Languange, Linguistic, Communication & Media Library & Information Science Mathematics Mechanical Engineering Medicine & Pharmacology Neuroscience Social Sciences Other

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Deteksi Phishing Website Menggunakan Algoritma Random Forest dengan Hyperparameter Tuning GridSearchCV Gabriel Mika Angelo; Evangs Mailoa
Jurnal Indonesia : Manajemen Informatika dan Komunikasi Vol. 7 No. 2 (2026): Mei
Publisher : Lembaga Penelitian dan Pengabdian Kepada Masyarakat (LPPM) STMIK Indonesia Banda Aceh

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.63447/jimik.v7i2.1865

Abstract

Phishing websites are one of the cybersecurity threats that deceive users into disclosing sensitive information such as usernames, passwords, and financial data. These attacks are commonly carried out by creating fake web pages that resemble legitimate websites, making them difficult for ordinary users to identify. Therefore, URL-based phishing detection is important in improving user security when accessing websites. This study aims to improve the accuracy of phishing URL classification by applying hyperparameter tuning to the Random Forest algorithm as a popular machine learning method. The dataset used consists of 10,000 URLs, comprising 5,000 phishing URLs and 5,000 legitimate URLs, which were then extracted into 16 relevant numerical technical features. Four model configurations were evaluated, consisting of one default model and three tuned models using GridSearchCV. The experimental results show that the Grid 2 configuration achieved the best performance with an accuracy of 82.65%, precision of 82.70%, recall of 82.65%, F1-score of 82.62%, ROC-AUC of 0.9068, and PR-AUC of 0.8976. In comparison, the default model only achieved an accuracy of 82.40% and an F1-score of 82.38%, while Grid 1 and Grid 3 produced slightly lower performance. These findings indicate that hyperparameter tuning can provide a slight performance improvement compared to the default configuration in detecting phishing websites, although the difference is not statistically significant.
Co-Authors Ade Iriani Ade Kresna Dewantara Adeline Debby Christiana Adi Nugroho Adilla, Denise Sheryl Adinda Setya Oktami Adji, Leonard Surya Adji Antonia .M, Hutami Jane Anugramidah Limbong Madika Arbitra Satria Perdana Arief Wijanarko Azzahra, Windy Livia Bayu, Teguh I. Bernardus Redika Westama Putra Bintang Samasto, Revo Budhi Kristianto Candrawira Wicaksana, Gede Abdi Danny Manongga Deasy Carolina Dewi, Teresia Ardika Dhinora, Monica Yoshe Dondan, Christofael Natalio Dwi Hosanna Bangkalang Epliani Limbong Rara Erwien Christianto Fairiani, Ayuquinn Astuticein Faqih, Muhammad Faiq Adhitya Fredrik Landjamara Ndjurumana G.A, Ambrosius Ludang Gabriel Mika Angelo Gede Abdi Candrawira Wicaksana Gilang Agung Saputra Hanita Yulia Harnanda, Elifas Gavra Hartono, Michael Antonius Harun B S O. Mosioi Hendry, - Hindriyanto Dwi Purnomo Irwan Sembiring Jacob Daan Engel Joseph Triwin Subarjo Juan Rondor Jonathan Sumakul Krisetianto, Wijaya Yoga Krismiyati Krisna Setiawan Kristiani, Betty E. Luhukay, Priscila Karen Madika, Fiwi Fishinsky Magdalena Ariance Ineke Pakereng Muhammad Arifin Muhammad Rizky Pribadi Natacia, Fanny Nawawi, Arif Hasan Nina Setiyawati Nopan, Nopan Panca Rizki Perkasa Perkasa, Panca Rizki Pramastya, Pragnanta Yopie Purnomo, Hindriyanto D. Putri, Tiara Syah Indra Radius Tanone Santoso, Fian Julio Saputra, Krisna Adi Sri Kasmiyati Sugeng Ariyadi, Faisal Nuryawan Sukmana, Andreas A. Susanti, Era Syahreza Triadhana Marsudi Tad Gonsalves Teresia Ardika Dewi Tesalonika, Ribka Tetikay, Aprillia Stefvani Ventje Jeremias Lewi Engel Widyasari, Elvira Resti Widyastuti, Fransisca Sonia WIJANARKO, ARIEF Willson Mangoki