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All Journal International Journal Of Computer, Network Security and Information System (IJCONSIST) Jurnal Inovasi Teknologi dan Komputer
Erikson Putra Perdana Lumban Tobing
Universitas Katolik Santo Thomas
Computer Science & IT Education Other

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Aplikasi Pengelolaan Data Penghuni Kost Berbasis Web untuk Memudahkan Administrasi Pemilik Kost Erikson Putra Perdana Lumban Tobing; Yordan Daniel Ndruru; Angela Wita Simanullang; Kasih Delayana Marpaung
JITKO : Jurnal Inovasi Teknologi dan Komputer Vol. 2 No. 01 (2024): Jurnal Inovasi Teknologi dan Komputer (JITKO)
Publisher : Cattleya Darmaya Fortuna

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.54209/jitko.v2i01.92

Abstract

Pengelolaan data kost secara manual masih menimbulkan berbagai permasalahan, seperti kesalahan pencatatan data penghuni, ketidakakuratan status kamar, serta keterlambatan dalam pengelolaan pembayaran. Penelitian ini bertujuan untuk mengembangkan aplikasi pengelolaan data penghuni kost berbasis web guna meningkatkan efisiensi dan akurasi administrasi. Metode yang digunakan adalah pengembangan perangkat lunak dengan pendekatan terstruktur, menggunakan bahasa pemrograman PHP dan basis data MySQL. Fitur utama sistem meliputi pembaruan status kamar secara otomatis dan perhitungan jatuh tempo pembayaran secara sistematis. Pengujian sistem dilakukan menggunakan metode Black Box Testing untuk memastikan fungsionalitas berjalan dengan baik. Hasil penelitian menunjukkan bahwa aplikasi yang dikembangkan mampu meningkatkan efisiensi pengelolaan administrasi, mengurangi kesalahan pencatatan, serta mempercepat proses pengolahan data dibandingkan metode manual. Dengan demikian, sistem yang diusulkan dapat menjadi solusi efektif dalam mendukung digitalisasi pengelolaan usaha kost.
Development of a Sensitive-Data Monitoring System for Witness and Victim Protection: Role-Based Security Integration and Usability Evaluation Erikson Putra Perdana Lumban Tobing; Lamhot Sitorus; Zakarias Situmorang
IJCONSIST JOURNALS Vol 8 No 1 (2026): September
Publisher : International Journal of Computer, Network Security and Information System

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33005/ijconsist.v8i1.218

Abstract

Data on applications, case reviews, and protection services for witnesses and victims at the Medan Representative Office of the Witness and Victim Protection Agency (LPSK) had previously been managed through a legacy application built without a modern framework, which constrained data-handling efficiency, feature coverage, and the security controls required for information tied directly to personal safety. Existing literature widely discusses public-service monitoring in general terms but rarely demonstrates concrete, tested technical safeguards for highly sensitive data such as the identities of protected individuals. This study develops a web-based monitoring platform on the Laravel framework that consolidates the application, review, service, and financial workflows into a single system, protected by layered security consisting of Role-Based Access Control (RBAC), role-based data masking, Bcrypt password hashing, CSRF protection, rate limiting, UUID-based routing, and audit trails. A Research and Development (R&D) approach following the 4D model (Define, Design, Develop, Disseminate) was used. Black-box functional testing across 35 scenarios and security testing across 10 scenarios each achieved a 100% success rate, while a User Acceptance Test with 5 respondents at LPSK Medan produced a mean System Usability Scale (SUS) score of 93.6 (Grade A, Excellent). The principal contribution of this work is the integrated combination of RBAC, role-based data masking, and audit trails, implemented and empirically validated within a highly sensitive government information system. System scalability was not verified through load testing, and the security evaluation did not include independent penetration testing, both of which remain limitations and directions for future work.
Co-Authors Angela Wita Simanullang Kasih Delayana Marpaung Sitorus, Lamhot Yordan Daniel Ndruru Zakarias Situmorang