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All Journal International Journal of Electrical and Computer Engineering TEKNIK INFORMATIKA Media Informatika Seminar Nasional Aplikasi Teknologi Informasi (SNATI) Jurnal Teknik Jurnal Teknologi dan Manajemen Informatika Jurnal Buana Informatika Jurnal Teknologi Informasi dan Ilmu Komputer Jurnal Edukasi dan Penelitian Informatika (JEPIN) JUITA : Jurnal Informatika AJIE (Asian Journal of Innovation and Entrepreneurship) Register: Jurnal Ilmiah Teknologi Sistem Informasi JOIN (Jurnal Online Informatika) Jurnal RESTI (Rekayasa Sistem dan Teknologi Informasi) SemanTIK : Teknik Informasi JURNAL MEDIA INFORMATIKA BUDIDARMA Network Engineering Research Operation [NERO] Kinetik: Game Technology, Information System, Computer Network, Computing, Electronics, and Control IT JOURNAL RESEARCH AND DEVELOPMENT Seminar Nasional Teknologi Informasi Komunikasi dan Industri JRST (Jurnal Riset Sains dan Teknologi) JURNAL ILMIAH INFORMATIKA JURNAL TEKNIK INFORMATIKA DAN SISTEM INFORMASI JURNAL INSTEK (Informatika Sains dan Teknologi) ILKOM Jurnal Ilmiah Jiko (Jurnal Informatika dan komputer) MATRIK : Jurnal Manajemen, Teknik Informatika, dan Rekayasa Komputer JUMANJI (Jurnal Masyarakat Informatika Unjani) Jurnal Ilmiah Sinus EDUMATIC: Jurnal Pendidikan Informatika JISKa (Jurnal Informatika Sunan Kalijaga) Technologia: Jurnal Ilmiah Infotekmesin Mobile and Forensics Jurnal JTIK (Jurnal Teknologi Informasi dan Komunikasi) JUSTINDO (Jurnal Sistem dan Teknologi Informasi Indonesia) Cyber Security dan Forensik Digital (CSFD) JATI (Jurnal Mahasiswa Teknik Informatika) JIIP (Jurnal Ilmiah Ilmu Pendidikan) JITU : Journal Informatic Technology And Communication Automata Journal of Education Informatic Technology and Science Just TI (Jurnal Sains Terapan Teknologi Informasi) JURNAL PENDIDIKAN, SAINS DAN TEKNOLOGI Jurnal Teknik Informatika (JUTIF) Phasti: Jurnal Teknik Informatika Politeknik Hasnur Jurnal Media Informatika J-SAKTI (Jurnal Sains Komputer dan Informatika) Jurnal Abdi Masyarakat Indonesia Indonesian Journal of Networking and Security - IJNS SPEED - Sentra Penelitian Engineering dan Edukasi Reformasi Hukum Malcom: Indonesian Journal of Machine Learning and Computer Science Jurnal Indonesia Sosial Teknologi Prosiding SEMNAS INOTEK (Seminar Nasional Inovasi Teknologi) Jurnal Elektronika dan Teknik Informatika Terapan Jurnal Sains, Nalar, dan Aplikasi Teknologi Informasi
Yudi prayudi
Universitas Islam Indonesia
Humanities Chemical Engineering, Chemistry & Bioengineering Chemistry Civil Engineering, Building, Construction & Architecture Computer Science & IT Control & Systems Engineering Decision Sciences, Operations Research & Management Economics, Econometrics & Finance Education Electrical & Electronics Engineering Energy Engineering Environmental Science Industrial & Manufacturing Engineering Law, Crime, Criminology & Criminal Justice Library & Information Science Mathematics Mechanical Engineering Neuroscience Public Health Social Sciences Transportation Other

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Time Series Approach for Analysis and Prediction of Malware Trends Based on Open Source Intelligence Tommy Nugraha Manoppo; Abdul Gani Fadhlulrahman; Yudi Prayudi
MALCOM: Indonesian Journal of Machine Learning and Computer Science Vol. 6 No. 2 (2026): MALCOM April 2026
Publisher : Institut Riset dan Publikasi Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.57152/malcom.v6i2.2580

Abstract

The growing threat of malware requires monitoring approaches that provide a continuous, measurable overview of threat trends. This study proposes an open-source intelligence-based malware trend monitoring system using time series forecasting and anomaly signaling. Data are obtained from the MalwareBazaar repository and processed into a daily malware activity time series, with contextual aggregation to identify dominant malware families. The AutoRegressive Integrated Moving Average (ARIMA) model is applied for short-horizon prediction, and statistical anomaly detection is implemented using Z-scores to flag activity deviations. The system is delivered as an interactive dashboard that visualizes daily malware trends, dominant malware families, forecasting outputs, and anomaly indicators. Experimental results show that ARIMA(2,0,0) provides measurable improvement over a naive persistence baseline, reducing MAE from 102.75 to 92.67 and RMSE from 125.13 to 109.73, while improving sMAPE from 26.74% to 24.48% on the evaluation window. The novelty of this work lies in integrating an OSINT malware repository signal, benchmarked statistical forecasting, quantitative evaluation, and anomaly signaling into a single monitoring dashboard. Practically, the system can support SOC analysts by providing early-warning cues for monitoring prioritization and support digital forensic practitioners by strengthening digital forensic readiness through earlier visibility emerging malware activity dynamics and dominant artifact categories.
Penerapan Steganografi Video Menggunakan Algoritma Least Significant Bit (LSB) dan AES untuk Keamanan Data Muhammad Hafiz; Yudi Prayudi
Jurnal Media Informatika Vol. 7 No. 3 (2026): Edisi Mei - Juni
Publisher : Lembaga Dongan Dosen

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

Abstract

Penerapan metode steganografi dan kriptografi pada media video menjadi salah satu pendekatan yang semakin relevan dalam upaya memperkuat perlindungan data di tengah meningkatnya ancaman terhadap keamanan informasi. Kombinasi algoritma Least Significant Bit (LSB) untuk penyembunyian pesan dan Advanced Encryption Standard (AES) untuk enkripsi memberikan mekanisme perlindungan berlapis, di mana pesan tidak hanya disisipkan secara tidak terlihat, tetapi juga diamankan melalui proses kriptografi yang kuat. Prosedur pengembangan sistem meliputi ekstraksi frame video, enkripsi pesan, penyisipan bit terenkripsi ke dalam frame menggunakan teknik LSB, hingga rekonstruksi ulang video hasil steganografi. Evaluasi kinerja dilakukan melalui pengukuran Peak Signal-to-Noise Ratio (PSNR) untuk menilai sejauh mana kualitas video tetap terjaga setelah proses penyisipan. Hasil pengujian menunjukkan bahwa penerapan LSB dan AES mampu menghasilkan media video yang secara visual tetap stabil dan tidak mengalami degradasi kualitas yang signifikan, bahkan setelah pesan rahasia disisipkan ke dalamnya. Dengan kemampuan mempertahankan kualitas visual dan sekaligus menjaga kerahasiaan data, pendekatan ini dinilai efektif serta berpotensi diterapkan pada berbagai kebutuhan pengamanan informasi modern yang menuntut kerahasiaan, integritas, dan ketahanan terhadap upaya pelanggaran.
Artefact-to-Legal Element Mapping in iOS-Based Web Gambling Cases: A Cross-Source Correlation Framework under KUHP and ITE Law Sudirman Sudirman; Yudi Prayudi
Mobile and Forensics Vol. 8 No. 2 (2026)
Publisher : Universitas Ahmad Dahlan

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.12928/mf.v8i2.15926

Abstract

The widespread use of web-based online gambling through mobile browsers and instant messaging applications has made digital traces increasingly difficult to interpret as legally admissible evidence. Previous forensic research primarily concentrated on artefact recovery from dedicated gambling applications, leaving limited attention to systematic approaches for associating web-based traces with legal elements. This study examined the identification, classification, and legal mapping of web-based gambling artefacts using the proposed Artefact-to-Legal Element Mapping Framework (ALMF). A real-case evidence set acquired from an Apple iPhone XR was analysed with Magnet AXIOM Process v9.4.0.44917, generating Quick Image and Decrypted evidence for extraction and correlation. The analysis identified four major artefact categories, including web browsing traces, credential and persistence artefacts, WhatsApp communication records, and visual media files. Browser artefacts reflected intentional discovery and access to gambling websites, whereas credential artefacts indicated recurring or sustained access. WhatsApp conversations provided the strongest evidence of promotional activities through shared links, invitations, and dissemination patterns. Visual artefacts further strengthened the gambling context by revealing website interfaces and financial indicators. Cross-source correlation differentiated player activities from promoter or distributor behaviour. The mapped evidence supported KUHP Article 303 and UU ITE Article 27(2). The findings demonstrated that contextual interpretation across multiple artefact sources produced stronger evidential value than analysing individual artefacts separately.
A Hybrid Machine Learning and Digital Forensics Framework for Detecting Coordinated Suspicious Accounts on X Riko Iman Decamarta; Yudi Prayudi
Mobile and Forensics Vol. 8 No. 2 (2026)
Publisher : Universitas Ahmad Dahlan

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.12928/mf.v8i2.16449

Abstract

Coordinated Inauthentic Behavior (CIB) on X threatens public discourse, yet single-method approaches fail to detect implicit coordination. This study proposes a conditional hybrid framework spanning four forensic stages: (1) automated classification using multilingual BERT text embeddings concatenated with 21 numerical features, (2) sockpuppet candidate generation via Sentence-BERT stylometric fingerprinting and cosine similarity, (3) graph-based coordination analysis using the Louvain algorithm, and (4) manual forensic confirmation with OSINT investigation. Trained on the Cresci-2017 benchmark which exhibits substantial temporal and linguistic domain mismatch from our 2025 Indonesian target domain, the BERT model achieved an accuracy, precision, recall, and F1-score of 1.00 on its held-out test partition prior to deployment. The framework was applied to 1,309 Indonesian Military Law (UU TNI) tweets from 720 accounts, which resulted in the identification of 114 suspicious accounts (15.8%) and the extraction of 28 candidate accounts from 6 groups. Manual validation by the authors through side-by-side timeline inspection confirmed one pair of accounts with synchronized and verbatim identical content. The absence of direct network interactions despite high stylometric similarity is interpreted as consistent with implicit CIB evasion strategies, but attribution to organized groups cannot be definitively established on the basis of platform data alone.
IMPLEMENTASI OBJECT-RELATIONAL MAPPING (ORM) PRISMA DALAM PERANCANGAN RESTFUL API UNTUK WEB SDA DIVISION DI PT TELKOM INDONESIA TBK Arya Danuarta Ramadhan; Yudi Prayudi
Technologia : Jurnal Ilmiah Vol 16 No 2 (2025): Technologia (April)
Publisher : Fakultas Teknologi Informasi, Universitas Islam Kalimantan Muhammad Arsyad Al Banjari, di bawah koordinasi UPT Publikasi dan Pengelolaan Jurnal

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31602/tji.v16i2.17880

Abstract

Tujuan dari penelitian ini adalah untuk mengembangkan aplikasi manajemen proyek berbasis web yang dapat meningkatkan efektivitas dan efisiensi pengelolaan proyek di PT Telkom Indonesia Tbk. Proyek pengembangan RESTful API ini dilaksanakan dengan menggunakan metode Scrum. Program magang yang dilaksanakan di PT Telekomunikasi Indonesia Tbk ini berlangsung selama tujuh bulan, dimulai dari 17 Oktober hingga 1 Juli. Magang berlangsung selama jam kerja perusahaan, yaitu dari Senin hingga Jumat, mulai pukul 08.00 WIB hingga 17.00 WIB. Hasil penelitian menunjukkan bahwa pemagang yang mengikuti program magang di Departemen Penyelesaian, Pengiriman, dan Keamanan (SDA) Regional II PT Telkom Indonesia mengalami banyak kemajuan dan pembelajaran yang signifikan dalam hal profesionalisme dan pengembangan diri. Pemagang mengembangkan aplikasi berbasis web yang mencakup berbagai elemen dari front-end hingga back-end selama masa magang. Pemagang dapat menggunakan teknologi terkini seperti Vue.js untuk pengembangan antarmuka pengguna dan Express.js untuk back-end untuk secara aktif menerapkan teori dalam proyek nyata. Pemagang belajar mengatur waktu dengan baik, memprioritaskan tugas yang ada, dan menyelesaikan masalah selama proses pengembangan. Pemagang berkomitmen untuk memperluas pengetahuan dan keterampilan mereka dalam teknologi dan struktur industri terbaru. Keywords: Object-Relational Mapping (ORM), Restful API, PT. Telkom Indonesia Tbk, Express.jss, Metode Scrum.
Pengembangan Website Menggunakan Astrojs dan Directus di Lumintu Logic Zardai Alghifari; Yudi Prayudi
Jurnal Elektronika dan Teknik Informatika Terapan ( JENTIK ) Vol. 4 No. 3 (2026): September: Jurnal Elektronika dan Teknik Informatika Terapan ( JENTIK )
Publisher : Politeknik Kampar

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.59061/jentik.v4i3.1534

Abstract

The increasing need for digital preservation of cultural heritage has encouraged the development of web-based digital heritage platforms that are accessible, scalable, and efficient in managing cultural collections. However, many existing digital heritage systems still face challenges related to content management flexibility, accessibility, and system performance. This research aims to design and evaluate a web-based digital heritage information system that supports cultural collection preservation and public access through a lightweight modern web architecture approach. The study employed a Design Science Research (DSR) approach consisting of requirement analysis, system design, implementation, and evaluation stages. The proposed system integrates a headless content management system with server-side rendering architecture to improve content scalability and website performance. The implementation process focused on digital collection management, content accessibility, and efficient information retrieval for users. System evaluation was conducted through functional testing and usability analysis to measure system performance and user accessibility. The evaluation results indicate that the developed system is capable of providing efficient cultural collection management, faster page rendering performance, and positive usability feedback from users. This research contributes to the development of lightweight and scalable digital heritage information systems by integrating modern web technologies with flexible cultural content management to support digital preservation and public dissemination of cultural heritage information.
Co-Authors - Bambang Sugiantoro, Bambang Sugiantoro - MTI UII Yogyakarta, Zaenudin - UIN Sunan Kalijaga Yogyakarta, Bambang Sugiantoro Abdul Gani Fadhlulrahman Abdul Muis Abdul Rohman Supriyono Abdul Rohman Supriyono Achmad Syauqi Adhitya Wishnu Wardhana Adi Fajaryanto Adristi, Fikri Irfan Agung Firmansyah, Rico Agus Wijayanto Ahmad Luthfi Ahmad Luthfi Ahmad Luthfi Ahmad Luthfie Ahmad Muhariya Ahmad Ridha Kelrey Ahmad Rois Syujak Ahmad Subki - STMIK Mataram Ahmad, Muhammad Sabri Akhmad Muzakka Al Jum'ah, Muhammad Na'im Aloysius Wisnubroto Amadeus Pondera Purnacandra Andrian Sah Ardy Wicaksono Arif Surya Putra Arrochman, Ibnu Fajar Arya Danuarta Ramadhan Astria Adhi Wijaya azis catur laksono Bambang Sugiantoro Bambang Sugiantoro Bambang Sugiantoro Bambang Sugiantoro Bambang Sugiantoro Bambang Sugiantoro Bambang Sugiantoro Bambang Sugiantoro - Bambang Sugiantoro CITRA ARFANUDIN Danar Cahyo Prakoso Dedy Frianto Dhomas Hatta Fudholi Dimas Pamilih Epin Andrian Dinda Shafira Gita Islami Dirgahayu, Raden Teduh Dirman Dirman Dita Rahayu Berliana Dodi Prakoso Wibowo Dwi Kurnia Wibowo Efendi, Muhamad Masjun Erika Ramadhani Erika Ramadhani Ermadi Satriya Wijaya Fajaryanto, Adi Fauzan Natsir Fetyata Yudha Fietyata Yudha Firdaus, Jasmine Erina Fitriyanti S Fitriyanti S Fudholi, Dhomas Hatta Giffary, Farhan Wildan Gilang Ramadhan Helmi Rachman Ibnu Fajar Arrochman Idham Halik Ilman Pradhana Imam Riadi Imam Riadi Imam Riadi Imam Riadi Imam Riadi Imam Riadi Imam Riadi Imam Riadi Isriade Putra Ivany Hikmatunnisa' Iwan Aprizal Kharisma Mahesa Koes Wiyatmoko Kun Saidi Kusuma, Permadi Lilik Widyawati Madi, Permadi Kusuma Mahmud, Rifqi Mardlatillah, Hanifah Merisa Kurniasari Fadilla Moch. Bagoes Pakarti, Moch. Bagoes Moh Fadly Panende Muh. Ditra Pamungkas Muhamad Maulana Muhammad Hafiz Muhammad Khairul Faridi Muhammad Naim Al Jumah Muhammad Naufal Bahreisy Muhammad Nur Adhar Muhammad Zulfadhilah Muin, Yasir Muzammilatul Wachidah Nafila, Feryan Lutfie NANNY, NANNY Nora Lizarti Nukman Nukman Nurhayati Jiatmiko Nurmi Hidayasari Nuryasin, Ilyas Pahrul Irfan Pomalingo, Suwito Prakoso, Danar Cahyo R, Zulihsan Rachman, Helmi Raharjo, Toto Rahmat Inggi Ramadhan, Arya Danuarta Ramadhani, Erika Ramansyah Ramansyah Ridho Rahmadi Riko Iman Decamarta Rio Pradana Aji Ririn Anggraini Rosi Rahmadi Syahputra Rosidin Al Caruban Ruuhwan Setiawan, Mukhammad Andri Setyaningsih, Putry Wahyu Sisdarmanto Adinandra, Sisdarmanto Siti Kartika Munawarah Subki, Ahmad Sudinugraha, Tri Sudirman Sudirman Supriyono, Abdul Rohman Syarif Hidayat Teduh Dirgahayu Tino Feri Efendi Tommy Nugraha Manoppo Triawan Adi Cahyanto Verry Noval Kristanto Virjayanti Lazinu Wachidah, Muzammilatul Wafi, Muhammad Syafiq Wisnu Pranoto Wisnu Pranoto Wisnu Sanjaya Zardai Alghifari Zulhair Jidan Dj. Tamu