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All Journal Indonesian Journal of Electronics and Instrumentation Systems Bulletin of Electrical Engineering and Informatics Prosiding SNATIF Setrum : Sistem Kendali-Tenaga-elektronika-telekomunikasi-komputer Prosiding Semnastek Infotech Journal E-Dimas: Jurnal Pengabdian kepada Masyarakat TA'DIBUNA: Jurnal Pendidikan Agama Islam Risâlah, Jurnal Pendidikan dan Studi Islam Prosiding Seminar Nasional Teknoka al-Afkar, Journal For Islamic Studies Jurnal Teknologi Sistem Informasi dan Aplikasi Jurnal Cendekia : Jurnal Pendidikan Matematika Jurnal Basicedu Krea-TIF: Jurnal Teknik Informatika JURTEKSI EDUKATIF : JURNAL ILMU PENDIDIKAN Jurnal Mantik Jurnal Karinov Abdi Dosen : Jurnal Pengabdian Pada Masyarakat Journal of Robotics and Control (JRC) JATI (Jurnal Mahasiswa Teknik Informatika) RESLAJ: RELIGION EDUCATION SOCIAL LAA ROIBA JOURNAL Jurnal Darma Agung Jurnal Manajemen Pendidikan dan Ilmu Sosial (JMPIS) Jurnal Pendidikan dan Teknologi Indonesia Jurnal Basicedu Moneter : Jurnal Keuangan dan Perbankan PKM Maju UDA Jurnal Inovatif : Inovasi Teknologi Informasi dan Informatika Jurnal Pengabdian Nusantara Journix: Journal of Informatics and Computing Indonesian Applied Research Computing and Informatics
Ritzkal, Ritzkal
Universitas Ibn Khaldun Bogor
Religion Aerospace Engineering Agriculture, Biological Sciences & Forestry Humanities Chemistry Civil Engineering, Building, Construction & Architecture Computer Science & IT Control & Systems Engineering Decision Sciences, Operations Research & Management Economics, Econometrics & Finance Education Electrical & Electronics Engineering Engineering Environmental Science Languange, Linguistic, Communication & Media Law, Crime, Criminology & Criminal Justice Library & Information Science Materials Science & Nanotechnology Mathematics Mechanical Engineering Medicine & Pharmacology Nursing Physics Public Health Social Sciences Other

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Real-Time Phishing Detection Using Google Safe Browsing API and Machine Learning Zumhur Alamin; Ritzkal
Journix: Journal of Informatics and Computing Vol. 1 No. 2 (2025): August
Publisher : Ran Edu Center

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.63866/journix.v1i2.8

Abstract

Phishing remains one of the fastest-evolving cybersecurity threats, where attackers mimic legitimate websites to obtain sensitive user information. This study presents a real-time evaluation of a phishing detection system integrating the Google Safe Browsing API with ensemble machine learning models. The research aims to enhance detection accuracy and responsiveness against emerging phishing websites by combining real-time threat intelligence with automated URL analysis. The dataset used comprises over 20,000 URLs collected from Google Safe Browsing, PhishTank, and OpenPhish between June and December 2024. Four approaches were evaluated: (1) machine learning models without API, (2) API-only detection, (3) machine learning with API as an additional feature, and (4) machine learning with API as a validator. The best performance was achieved by the API-as-validator model, reaching 98.2% accuracy, reducing false positives to 2.1%, and lowering false negatives to 3.2%, with an average latency of 108 ms. These findings demonstrate that integrating real-time threat feeds significantly enhances adaptability and reliability in phishing detection. Future research will focus on latency optimization and federated learning to enable large-scale collaborative detection systems.
Improving Thesis Title Classification Accuracy Using Ensemble Classifier and Modified Chi-Square Feature Selection Method Ritzkal; Wahyu Tisno Atmojo; Panji Novantara; Sabir Rosidin; Ahmad Dedi Jubaedi; Enggar Novianto
Indonesian Applied Research Computing and Informatics Vol. 1 No. 1: July (2025)
Publisher : PT. Teras Digital Nusantara

Show Abstract | Download Original | Original Source | Check in Google Scholar

Abstract

Text classification of academic documents, particularly thesis titles, poses challenges due to high dimensionality, sparsity, and topic heterogeneity. Conventional feature selection techniques, such as the standard Chi-Square, often fall short in capturing discriminative features effectively. This research aims to enhance classification accuracy by proposing a Modified Chi-Square feature selection method that integrates term frequency and class distribution information. The selected features are then classified using ensemble decision tree algorithms, including Random Forest, Gradient Boosting, and XGBoost. Experiments were conducted on a labeled dataset of thesis titles using TF-IDF for vector representation. Evaluation metrics such as accuracy, precision, recall, F1-score, and AUC were used to assess model performance. The results showed that the combination of Modified Chi-Square and XGBoost outperformed other models, achieving the highest accuracy of 93.8% and an AUC of 0.94. These findings demonstrate that the integration of advanced feature selection and ensemble learning techniques can significantly improve academic text classification performance, providing valuable implications for the development of intelligent digital repositories and recommendation systems.
ANALISIS KEAMANAN JARINGAN SERVER TERHADAP SERANGAN DICTIONARY MENGGUNAKAN TOOLS FAIL2BAN DENGAN NOTIFIKASI TELEGRAM Arthur Dida Batistuta; Ade Hendri Hendrawan; Ritzkal
INFOTECH journal Vol. 10 No. 1 (2024)
Publisher : Universitas Majalengka

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31949/infotech.v10i1.8730

Abstract

Serangan DOS (Denial of Service) bertujuan untuk menguras sumber daya server hingga server tidak mampu menjalankan fungsinya sebagai penyedia akses layanannya, seperti membanjiri server dengan berbagai kombinasi password untuk mengetahui password sebenarnya untuk server perusahaan yang ditargetkan. Berdasarkan informasi tersebut, peneliti merekomendasikan agar program fail2ban dievaluasi. Program ini akan beroperasi pada server yang akan memantau aktivitas luar yang tidak biasa sebelum memblokir alamat IP asal. Penelitian ini mencoba melindungi server dari penyusup jahat dengan menerapkan program fail2ban dan pendekatan dasar memindai dan memblokir alamat IP penyerang.
PEMANFAATAN RFID DAN PEMANTAUAN SISTEM PINTU AKSES BERBASIS WEB UNTUK MENINGKATKAN KEAMANAN DI ASRAMA PUTRI UIKA BOGOR Kalih Puspita Dewi; Ritzkal; Bayu Adhi Prakosa
INFOTECH journal Vol. 11 No. 1 (2025)
Publisher : Universitas Majalengka

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31949/infotech.v11i1.12540

Abstract

Penggunaan kunci pintu konvensional di ASPIKA sebagai alat bantu untuk mengakses ruangan dinilai memiliki tingkat keamanan yang rendah karena anak kunci dapat diduplikat oleh siapapun sehingga orang yang tidak memiliki hak akses atas pintu tersebut juga dapat mengakses pintu. Selain itu penggunaan pintu konvensional juga tidak dapat memantau waktu akses pintu sehingga penghuni dapat mengakses pintu kapanpun melewati batas waktu yang telah ditetapkan oleh pengurus ASPIKA yaitu jam 9 malam. Berdasarkan permasalahan yang ada maka dibuatlah sebuah alat sistem otomatisasi dengan memanfaatkan RFID sebagai pengganti anak kunci dan electromagnetic doorlock sebagai pengunci pintu otomatis. Pada penelitian ini juga dibangun sebuah website untuk memonitoring aktivitas akses pintu di ASPIKA. Adapun tahapan penelitian yang digunakan dalam peelitian ini adalah pendekatan, pengembangan, implementasi dan pengujian. Hasil pengujian meliputi pengujian fungsi RFID, pengujian fungsi electromagnetic doorlock, pengujian fungsi LCD i2c, pengujian fungsi push button dan pengujian website. Kesimpulan dari penelitian ini ialah pintu dapat terbuka secara otomatis dengan mendekatkan RFID tag ke RFID reader. Hasil pemantauan waktu akses pintu dapat diakses pada website yang telah dibangun.
An examination of the quality of wireless signal at access points based on the kind of obstacle Hendra Ginanjar; Ritzkal Ritzkal; Yuggo Afrianto
Jurnal Inovatif : Inovasi Teknologi Informasi dan Informatika Vol. 6 No. 2 (2023)
Publisher : Universitas Ibn Khaldun Bogor

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.32832/inovatif.v6i2.651

Abstract

The purpose of this study is to analyze the wireless signal quality of an access point (AP) with a focus on the types of obstacles that could potentially affect network performance. The use of wireless technology has become essential in sustaining modern civilization, especially in environments with various types of machines such as walls, electronic devices, and electromagnetic machines. The analysis method involves measuring and adjusting the signal quality at several points that indicate conditions that could be affected by the use of non-reversible mesh. The signal strength, transmission speed, and connection handling at each observation point were analyzed. Finally, the analysis results were used to identify the type of wireless signal work and the impact of different types of obstacles. The results of this study provide insight into how certain types of obstacles can affect wireless signal quality at access points. These findings can aid in the development of strategies to improve and enhance wireless network performance, including recommendations for optimizing access point placement or using interference mitigation technologies.
Co-Authors .S.T., M.Kom., Suhadi Abdul Karim Abdul Karim Abdul Karim Halim Abdul Khayr Abdul Rahman Acep Ansor Achmad Faris Nasyarudin Ade Hendrawan Adhi Prakosa, Bayu Adhi Prakoso, Bayu Afif Rafyan Ahmad Dedi Jubaedi Ahmad Suhaedi Ahya Ibadina Syahida Akhmad Abdul Aziz Akrom, Ahmad Al Ikhsan, Safaruddin Hidayat Al-Wahid, M. Azhar Algista, Grevin Dionaldy Alief Juan Aprian Alzami, Farrikh Amalia, Nurul Reski Aminudin Aminudin Anak Agung Gede Sugianthara Anggra Triawan Apip Supriana Ariagi Juliano Arief Goeritno Arif Sulistio Arthur Dida Batistuta Arthur Dida Batistuta Asep Ramdhani M Asep Sumantri Astuti, Nuraeni Puji Atmojo, Wahyu Tisno Ayumi Johan Ayumi Johan Azhar Al Wahid Azhar Al-Wahid Bahagia Bahagia Bahagia Bahagia Bayu Adhi Prakosa Bayu Adhi Prakosa Cantika, Melodia Chaisar Putra, Ivanna Chayati, Nurul Dahlia Widhyaestoeti Dani Darmawan Dede Sunardi Dedi Setiadi Dewi Primasari Dhimas Bagus Adi Saputro Dian Anwar Dian Wulandari Dicky Septian Firdaus Diki Rahsidin Dwi Puji Prabowo, Dwi Puji Ebim Fatur Rohman Eko Hadi Purwanto Enggar Novianto Engkos Supriatna Enomi Muhamad Giri Salako Fadly Cahya Ramadhan Febby Hendrian Febby Hendrian Fety Fatimah Fikriyadi Fikriyadi Fitrah Satrya Fajar Kusumah Fitria Rachmawati Freza Riana Gani Fajar Kusuma, Mohamad Grevin Dionaldy Algista Hambal Azhari, Muhammad Hariyanto, M Wujut Hendra Ginanjar Hendrawan, A. Hendri Hendrian, Febby Hermawan, Dicky Hersanto Fajri Hurriyaturrohman Hurriyaturrohman Ika Novita Dewi Indriyawati Indriyawati Intan Kamilah Joniwarta Juhariansyah, Juhariansyah Juliano, Ariagi Kalih Puspita Dewi Kamaludin Mubarok, Muhamad Karbella, Mutiara Kodarsyah Kodarsyah Kodarsyah Leni Muniroh Luluk Dianarini M Wujut Hariyanto M. Azhar Al-Wahid M. Imam Sundarta M. Khairun Nur Al Fadjri Maulana, Kevin Megantara, Rama Aria Meiriestiani, Shania Moh Risnandar Moh Subchan Muhamad Fariz Syarif Muhamad Lutfi Muhammad Fauzan Adhima Muhammad Khaerudin Muhammad Shiddiq Ilham Noor Muniroh, Leni Muniroh, Leny Nadhif, Muhammad Naufal Agung Pambudi Noor, Muhammad Shiddiq Ilham Noor, Zakky Muhammad Nuraeni Puji Astuti Nuraeni Puji Astuti P, Eko Hadi P, Eko Hadi Pahri Muhammad Kasypurohman Panji Novantara Prakosa, Bayu Adhi Prayoga Aldi Kurniawan Predyus Fan Suhery Priatna , Wowon Puri Sulistiyawati Puspa Putri Amalia Putra Pratama, Saga Eka Rahman, Randa Rendi Juhar Maulana Rezi Setria Ricardus Anggi Pramunendar Ridwan Kurniawan Rimun Wibowo Rimun Wibowo Rimun Wibowo, Rimun Rizky Amalia Roy Waluyo Rudi Hartono Rudi Irawan Rulhendri Rulhendri Sabir Rosidin Salati Asmahasanah SANTI LISNAWATI Sasono Wibowo Siswanti, Tiwi Siti Khodijah Parinduri Siti Patimah Siti Rahma Bahrain Subchan, Moh Suhartono Suhartono Syafrial Syafrial Syaiful . Syaiful Syaiful Syaiful Syaiful Titing Suharti Tiwi Siswanti Triansyah, Muhammad Bugi Triwoelandari, Retno Wahid, Azhar Al Willy Mandela Willy Mandela Yoga Permana Yophyana Firman Hidayat Yuggo Afrianto Zakky Muhammad Noor Zakky Muhammad Noor Zakky Muhammad Noor Zumhur Alamin