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All Journal Proceeding of the Electrical Engineering Computer Science and Informatics Jurnal Teknologi Terpadu TIN: TERAPAN INFORMATIKA NUSANTARA Journal of Applied Smart Electrical Network and System (JASENS) Yayasan Cita Cendikiawan Al Khwarizmi Bulletin of Computer Science Research Digital Transformation Technology (Digitech) Jurnal Riset Rumpun Ilmu Teknik (JURRITEK) Jurnal Penelitian Sistem Informasi DBESTI: Journal of Digital Business and Technology Innovation
Lukman Rosyidi
Sekolah Tinggi Teknologi Terpadu Nurul Fikri
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Persistensi Artefak Telegram Web pada Memori Setelah Perubahan Sistem dengan Metode NIST SP 800-86 Sigit Puspito Wigati Jarot; Lukman Rosyidi; Haura Tsabitah
Bulletin of Computer Science Research Vol. 6 No. 3 (2026): April 2026
Publisher : Forum Kerjasama Pendidikan Tinggi (FKPT)

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.47065/bulletincsr.v6i3.1086

Abstract

The increasing incidence of cyberbullying on online communication platforms presents significant challenges for digital forensic investigations, particularly when perpetrators delete all message histories. Telegram Web, a browser-based messaging platform, produces volatile digital artifacts because its activity data is stored in system memory (RAM). This study aims to analyze the persistence of Telegram Web digital artifacts in volatile memory under six device condition variations using the NIST SP 800-86 framework, addressing a research gap in the quantitative evaluation of acquisition conditions for browser-based platforms. A cyberbullying simulation was conducted via Telegram private chat, generating 10 digital artifacts text messages, images, a document, and an audio file all subsequently deleted by the perpetrator. Memory acquisition was performed using Exterro FTK Imager under six conditions: immediately post-incident, sleep mode, hibernate mode, browser closed, browser closed with subsequent application use, and shutdown. Artifact identification employed keyword-based analysis on memory images. Results show that the first three conditions yielded 100% artifact recovery, as RAM preserved Chrome process data through DRAM self-refresh (ACPI S3) and byte-for-byte copying to hiberfil.sys (ACPI S4). Closing the browser reduced recovery to 40%, subsequent application use further reduced it to 10% due to zero-fill operations on reallocated memory pages, and shutdown produced 0% as all DRAM capacitor charges were lost. These findings demonstrate that artifact recovery rates are predictable from computer memory architecture, providing empirical guidance for digital forensic practitioners in web-based cybercrime cases.
Pengembangan Aplikasi Web Portofolio Kegiatan Pengabdian Masyarakat pada Perguruan Tinggi Menggunakan Metode Extreme Programming Lukman Rosyidi; Maulana Fakih Latief; Siti Aisah; Hany Hidianti; Noviana Nur Shanti
JURNAL PENELITIAN SISTEM INFORMASI (JPSI) Vol. 4 No. 3 (2026): Agustus : JURNAL PENELITIAN SISTEM INFORMASI
Publisher : Institut Teknologi dan Bisnis (ITB) Semarang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.54066/jpsi.v4i3.4505

Abstract

The documentation process for community service activities is often not centralized and not well-published, resulting in activity information not being systematically organized and difficult to access by both internal parties and the wider community. This study developed a web-based community service activity portfolio application with a case study at Nurul Fikri College of Technology. The system development process applied the Extreme Programming (XP) method, consisting of planning, design, coding, and testing stages. The application was built using the Laravel framework with a Model-View-Controller (MVC) approach and supported by MySQL as the database management system. The results of the study indicate that the community service activity portfolio web application was successfully developed and is able to assist the documentation, management, and publication of activities in a more structured manner. The application provides various features, such as managing activity portfolios, services, partners, expertise, submissions, activity documentation, and managing other supporting data. Based on the results of testing using the Black Box User Acceptance Testing (UAT) method, all features in the system successfully implemented according to their expected functions and user requirements.
Analisis Kerentanan Keamanan Chatbot Berbasis Large Language Model Terhadap Serangan SQL Injection Bambang Harie Wiyono; Filia Nur Anjaini; Lukman Rosyidi
Journal of Applied Smart Electrical Network and Systems Vol. 7 No. 1 (2026): JASENS Vol. 7 No. 1 (2026) : Vol. 07 No. 01, Juni 2026
Publisher : Indonesian Society of Applied Science (ISAS)

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.52158/qy05dk06

Abstract

Perkembangan teknologi Large Language Model (LLM) telah mendorong pemanfaatan chatbot pada berbagai layanan digital. Integrasi chatbot dengan basis data dan layanan backend berpotensi menimbulkan risiko keamanan, terutama terhadap serangan SQL Injection. Penelitian ini bertujuan untuk menganalisis dan menguji kerentanan SQL Injection pada aplikasi chatbot berbasis LLM. Pengujian dilakukan menggunakan payload SQL Injection, Burp Suite, dan OWASP ZAP pada empat chatbot berbasis LLM, yaitu AlexAI, Gemini, Claude, dan Dola. Hasil penelitian menunjukkan bahwa seluruh target tidak memperlihatkan indikasi keberhasilan eksploitasi, tidak terjadi kebocoran informasi, serta tidak ditemukan akses tidak sah ke basis data. Meskipun demikian, ditemukan beberapa isu keamanan pada tingkat aplikasi yang berkaitan dengan konfigurasi keamanan web. Temuan ini menunjukkan bahwa keamanan chatbot berbasis LLM tidak hanya bergantung pada ketahanan model, tetapi juga pada keamanan aplikasi dan infrastruktur pendukung yang digunakan.
Pengembangan Aplikasi Web Portofolio Kegiatan Pengabdian Masyarakat pada Perguruan Tinggi Menggunakan Metode Extreme Programming Lukman Rosyidi; Maulana Fakih Latief; Siti Aisah; Hany Hidianti; Noviana Nur Shanti
JURNAL PENELITIAN SISTEM INFORMASI (JPSI) Vol. 4 No. 3 (2026): Agustus : JURNAL PENELITIAN SISTEM INFORMASI
Publisher : Institut Teknologi dan Bisnis (ITB) Semarang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.54066/jpsi.v4i3.4505

Abstract

The documentation process for community service activities is often not centralized and not well-published, resulting in activity information not being systematically organized and difficult to access by both internal parties and the wider community. This study developed a web-based community service activity portfolio application with a case study at Nurul Fikri College of Technology. The system development process applied the Extreme Programming (XP) method, consisting of planning, design, coding, and testing stages. The application was built using the Laravel framework with a Model-View-Controller (MVC) approach and supported by MySQL as the database management system. The results of the study indicate that the community service activity portfolio web application was successfully developed and is able to assist the documentation, management, and publication of activities in a more structured manner. The application provides various features, such as managing activity portfolios, services, partners, expertise, submissions, activity documentation, and managing other supporting data. Based on the results of testing using the Black Box User Acceptance Testing (UAT) method, all features in the system successfully implemented according to their expected functions and user requirements.
Co-Authors Adriansyah, Ahmad Rio Al Khairi, Said Amalia Amalia Bambang Harie Wiyono Davied Wahyu Wismanindra Edi Wibowo Filia Nur Anjaini Hany Hidianti Hany Hidianti Haura Tsabitah Hidayatullah, Sukma Imam Haromain Irmansyah, Isep Khoirul Umam Maulana Fakih Latief Muh Syaiful Romadhon Nabarian, Tifanny Noviana Nur Shanti Noviana Nur Shanti Nuraini Nuraini Ramadhan, Fazri Egi Rintan Madi Sari Salman El Farisi Saptono, Henry Sigit Puspito Wigati Jarot Sirojul Munir Siti Aisah SITI AISAH Tsabitah, Haura Umam, Khoirul Wahid Wahyudin WAHYU FIRMANSYAH Waluyo, Ahmad Warsono Wicaksana, Adriansyah Mahesa Yusuf, Muhamad Burhanudin