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Ahmad Gunawan
Universitas Pelita Bangsa
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Journal : journal of computer science and technology application

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Optimization of Machine Learning Algorithms for Fraud Detection in E-Payment Systems Rizky, Agung; Gunawan, Ahmad; Komara, Maulana Arif; Madani, Muchlisina; Harris, Ethan
CORISINTA Vol 2 No 1 (2025): February
Publisher : Pandawan Sejahtera Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33050/corisinta.v2i1.68

Abstract

This study explores the optimization of machine learning algorithms for fraud detection in electronic payment (e-payment) systems. The rapid growth of e-payment platforms has introduced significant challenges in ensuring the security and integrity of financial transactions. Fraud detection plays a pivotal role in mitigating these risks, and the application of machine learning (ML) has emerged as a powerful tool to identify fraudulent activities. This research examines how Data Quality (DQ), Algorithm Selection (AS), and Optimization Techniques (OT) influence Model Performance (MP) and, subsequently, Fraud Detection Effectiveness (FDE). The study utilizes Partial Least Squares Structural Equation Modeling (PLS-SEM) through SmartPLS 3 to analyze the relationships between these variables. The results demonstrate that high Data Quality significantly enhances Model Performance, while Algorithm Selection and Optimization Techniques also contribute positively, albeit to a lesser extent. The findings reveal that Model Performance plays a crucial mediating role between these factors and the effectiveness of fraud detection. Fraud Detection Effectiveness is found to be significantly impacted by Model Performance, suggesting that improving model accuracy and efficiency is essential for better fraud detection outcomes. Reliability and validity tests show strong internal consistency for all constructs, with Cronbach’s Alpha, Composite Reliability, and Average Variance Extracted (AVE) all reaching satisfactory levels. The study highlights the importance of data preprocessing, the careful selection of machine learning models, and optimization techniques in achieving high-performing fraud detection systems. The results provide valuable insights for the development of more robust and scalable fraud detection mechanisms in e-payment systems, contributing to the broader field of machine learning and cybersecurity. Future research could explore advanced techniques like deep learning and blockchain integration for further enhancement of fraud detection systems.
Artificial Intelligence and Big Data Framework for Cybersecurity Resilience in Distributed Networks Syaifuddin Syaifuddin; Ahmad Gunawan; Maulana Arif Komara; Agung Lorenzo
CORISINTA Vol 3 No 2 (2026): August
Publisher : Pandawan Sejahtera Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33050/kjn69m96

Abstract

The rapid expansion of distributed computer networks, driven by cloud computing, IoT ecosystems, edge computing, and software-defined infrastructures, has increased cybersecurity complexity. The growing volume, velocity, and variety of network data challenge traditional security mechanisms that focus primarily on threat detection, often neglecting system resilience, adaptive response, and recovery. This study develops a resilience-oriented intelligent big data analytics framework integrating Artificial Intelegence (AI), big data processing, and distributed cybersecurity monitoring to strengthen resilience in modern digital environments. A qualitative approach was employed through systematic literature review, conceptual modeling, thematic synthesis, and comparative analysis of existing architectures. The framework consists of four interconnected layers: data acquisition and aggregation, big data processing, intelligent analytics, and adaptive response and recovery. It supports continuous monitoring, anomaly detection, threat prediction, automated mitigation, and recovery orchestration. Comparative analysis indicates that prior studies focus mainly on improving intrusion detection or machine learning techniques, providing limited attention to resilience dimensions such as adaptability, fault tolerance, recovery efficiency, and operational stability. In contrast, the proposed framework integrates intelligent analytics with scalable big data infrastructures and distributed security mechanisms to create a unified resilience-oriented cybersecurity ecosystem. Findings suggest that combining AI-driven analytics, distributed processing, and adaptive security orchestration provides a strategic foundation for enhancing cybersecurity resilience, supporting sustainable digital infrastructure development, and ensuring operational stability in increasingly complex and interconnected network environments.
Co-Authors A Sobandi Abdul Kosim Abdul Kosim, Abdul Abdul Rahman Rahim Abdul Rohman ABDUS SAMAD ACEP HASAN ZAKARIA Adinda Puspitasari Adnan Nurzaman Aep Saepul Fazri Afif Husain Yasir Afnan Khoniamelia Agung Lorenzo Agus Anggiana Agus Susanta Ahmad Kurniawan Ahmad, Asyari Akhmad Mustofa Al Ghozali, Muhammad Iqbal Alawiyah, Siti Dewiningsih Alfina Damayanti Amelia Sri Rizki amelia, Fannisya Andriyansah . Anika Nunik Alfiany Apdillah, Zaka Ardhana, Argi Yhudin Avri Assifah, Rachmah Assyfa Putri Amalia Ayu Rahayu Ayu Septia Wulandari Azise, Nur Badruzzaman, Aceng Bagas Pradana Aulia Bagas Wicaksono Baijuri, Achmad Berliana Putri , Fenina Bunyamin Maftuh Chintya Anggraini Putri Citra Maharani Clara, Citra Alda Puspa D Hazwardy D Yadi Heryadi Dadang Heri Kusumah Dadang Heri Kusumah Dadang Heri Kusumah Damas Elvianto Damayanti, Alfina Damayanti, Hilda Darma, Yuki Dwi Darwis, Hilda Sayafitri Dea Amanda Dea Amanda Dea putri meliyanti Depi Nurmalasari Diah Pitaloka Dissya Aprillia Dwi Febriyanti Dyah Ayu Puspitaningrum ed, Sarwo Edi Sopandi Eka Radita Putri Eki Wijayanti Putri Elsa Nurcholisa Enok Maryani Erina Rulianti Ernawati, Ede Fadhilah, Chaerunnisa Nurul Fadila Ratna Amalia Faidatun Ni’mah Faiza Nur Dzakiyah Wijaya Fakih Reza Gustian Fatia Fatimah Feby Kurnia Firda, Firda umil Barokah Fitriyaningrum, Rista Indah Gilang Ardimas Syahputra Giri Nurpribadi Hamida, Nurul Nur Hamzah Muhammad Mardi Putra Hardianti, Yuni Harris, Ethan Hasan, Dina Nurmala Hasanah Mardlatillah Hendri Irawan Hendy Tannady Heri Kusumah, Dadang Hidayatullah, Dimas Hilda Hisniati, Sally Badriya Hoeroni, Rizqon Hutapea, Sharon Nathaniela Badia I Ketut Suada Ida Abdul Gofar Ida Abdul Gopar Ijah Hadijah Ilmal Laduni Rukmana Imam Sucipto Imam Sucipto Imam Sucipto Indah Nurmalasari Irma Rohmatul Manan Ismamudi Ismamudi Istianti, Tuti Istikhola, Yulfa Ivanov, Nikita Janah, Widia Nur Julianingsih, Dwi Karsih, Karsih Karyono Karyono Karyono Karyono Karyono KEVIN FEBRIANSYAH ARIFIN Khansa Khoirunisa Kholil Ma’Shum Kiki Zakiah Hafsah Komara, Maulana Arif Kristina Vaher Kristiningsih, Ari Kusumah, Dadang Heri Lailatul Hidayah Larasati, Muti Latifatul Ikhfa Lena Magdalena, Lena Liah Amelia Lina Priliana Lubna Salsabila Lusiana Nurwidia Ma’arif Al-Haq, Tasnim Madani, Muchlisina Maharani, Meilia Marcellawati Cecar MASUM MUNAWAR Maulana Arif Komara mayylisa malsabila Meidiana Savitri Melisa Sugesti Merkuria Karyantina Miftakhul Rizal Al Anfari Mirantih Mitro Subroto Monica Evriliani Muhammad Idham Pangestu Muhammad Yasin Mungkap Mangapul Siahaan Nada Kamiliya Nani Hartati Naufal Dwiki Rofiantoro Nawangsih, Ismasari Nenda Nenda Nenda Nida Abriana Mutiadi Nisrina Ashari Lubis Ni’mah, Faidatun Nudita, Afifi Nugroho, Arief Teguh Nur Hikmah Qibtiyatulfitri Nur Syifa Syaharany Nurcholisa, Elsa Nurhasanah Nurhasanah Nurjanah, Puput Ayu Nurkholiq, Agus Nurmalasari, Depi Nurzaman, Adnan Octaviany, Tia Oscar Jayanegara Pawawoi, Pawawoi Pratama, Fidya Arie Pujiharta, Pujiharta Pupung Purnamasari Puput Aryani Puput Harohmani Puspitasari, Adinda Puspo Dewi Dirgantari Putih, Muhadar Putri Adelia Putri Aprilia Putri Munjaroh Putri, Agustina Mulia Putri, Eki Wijayanti Rachma Fauziah Rachmah Assifah Rafi Aulia Akbar Rahayu, Antina Rahmat Hidayat Ratih Hurriyati Rayhan Afdillah, Mohammad Reinaldy Achmad Pradana Rendhika Adyatama Renita Eka Fitri Reza Yonatan Hanata Rini Kartika Hudiono Rion Wang Risko Widianto Rizal Rizki Oki Kurnia Rizky, Agung Rizqon Hoeroni Rizqon Hoeroni Rohmatul Manan, Irma Ruth Megawati, Ruth Sadam Alimi safira, Syiva Salma Salsabila Salsha Nabila Sambas Ali Muhidin Sandi Marta Santi Aprilianti Santiago Ikhsan, Ramiro Saur Panjaitan Septi Gumiandari Setia Ningsih, Sandra Nurfadila Sharon Nathaniela Badia Hutapea Silvia Senja Junista Sindi Farera Siti Aisah Siti Dewiningsih Alawiyah Siti Masitoh Siti Romdona Soer, Ucok Darmanto Sri Retno Arum Sri Watini Stephanie Stephanie Suci Arofah Cahyani Suci Cahyaningtyas Fatima Sucipto, Imam Suer Darmanto, Ucok Sugesti, Melisa Suriyanti Suryadi Suryadi Suryadi Suryadi Susanto Susanto Syahwatul Khalda Syaifuddin Syaifuddin Syavani Khofifah Syavina khodijah Syazeedah, Haudli Nurfitrah Uskytia Syhartika Damayanti Syifa Syahrani Tabina Farrah Anindya Tanjung, Dicky Zulkarnain Tarishah Bakhtiah Tika Tika Tiwi Ning Atun Tjutju Yuniarsih Toktar Kerimbekov Tri Wahyu Wirjawan Tri Wahyu Wirjawan Tria Agustina Wulandari Ucok Darmanto Soer Ucok Darmanto Soer Vicko Anggara Putra Wachid Hasyim, Wachid Wahyu Hadikristanto Wahyu Wirjawan, Tri Wahyudi Wahyudi Wahyudi Wahyudi Widianto, Risko Widiyanti Widiyanti Winda Fara Setiani Wirjawan, Tri Wahyu Wittrinsyah, Khoeruddin Wiyanti, Novita Riska Wulandari, Tri Widiani Yahwatul Khalda Fauziyah Yosi Ragil Cahyono Yuli Yanah Zahra Anggi Atikaningtyas Zahra, Titis Wahyu Zidan Maulana Ibrahim