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All Journal Jurnal Informatika JOURNAL OF APPLIED INFORMATICS AND COMPUTING Jusikom : Jurnal Sistem Komputer Musirawas Jurnal Informatika Universitas Pamulang JOISIE (Journal Of Information Systems And Informatics Engineering) INFOMATEK: Jurnal Informatika, Manajemen dan Teknologi METIK JURNAL International Journal of Engineering, Technology and Natural Sciences (IJETS) International Journal of Advances in Data and Information Systems Journal of Scientific Research, Education, and Technology Journal of Future Artificial Intelligence and Technologies
Suyud Widiono
Department Of Computer Engineering, Universitas Teknologi Yogyakarta, Indonesia
Civil Engineering, Building, Construction & Architecture Computer Science & IT Control & Systems Engineering Decision Sciences, Operations Research & Management Earth & Planetary Sciences Economics, Econometrics & Finance Education Electrical & Electronics Engineering Engineering Environmental Science Industrial & Manufacturing Engineering Mechanical Engineering Social Sciences

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A Government-Oriented Vulnerability Disclosure Program Model Based on Ethical Hacker Perspectives Suryana, Rio Putra; Widiono, Suyud
Journal of Scientific Research, Education, and Technology (JSRET) Vol. 4 No. 4 (2025): Vol. 4 No. 4 2025
Publisher : Kirana Publisher (KNPub)

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.58526/jsret.v4i4.948

Abstract

Digital transformation within government agencies has expanded the number of public-sector digital assets that require continuous cybersecurity protection. However, vulnerability reporting mechanisms in Indonesia remain fragmented, unstandardized, and legally ambiguous, limiting effective collaboration between ethical hackers and government institutions. This study explores the motivations, preferences, and challenges experienced by active vulnerability researchers in participating in government-led Vulnerability Disclosure Programs (VDPs). A descriptive qualitative approach was applied using open- and closed-ended online questionnaires completed by six respondents with proven experience in legal vulnerability reporting. The findings reveal that clear scope definition, transparent rules, timely responses, and legal protection (safe harbour) are the primary factors influencing participation. Although financial incentives are considered beneficial, most participants are willing to report without monetary rewards when non-financial recognition—such as points, badges, or official acknowledgment—is provided. The study also identifies key barriers, including unclear scope, lack of government responsiveness, and concerns regarding legal repercussions. Based on these insights, this work proposes a structured and centralized vulnerability reporting framework tailored for government environments. The proposed model emphasizes clear policies, triage transparency, non-monetary recognition systems, and safe-harbour protections to strengthen national cybersecurity resilience through collaborative public engagement.
Optimizing the Waterfall Method in Designing an Android-Based Mobile Application for Table Reservation in Coffee Shops Galih, Rahardian Damar; Widiono, Suyud
Journal of Scientific Research, Education, and Technology (JSRET) Vol. 4 No. 4 (2025): Vol. 4 No. 4 2025
Publisher : Kirana Publisher (KNPub)

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.58526/jsret.v4i4.956

Abstract

The growth of the coffee shop industry in Indonesia has caused problems in the table reservation system, which is still done manually, such as long queues, uncertainty of seat availability, and poor service. The purpose of this research is to improve service quality by developing an Android-based mobile application that enables table booking and reservation. Requirement analysis, system design, implementation, testing, and maintenance are the stages of the Waterfall Software Development Life Cycle (SDLC) used. Field observations, interviews with managers, and customer questionnaires are the methods used to obtain research data. The implementation results show that the application is capable of making real-time reservations, providing status notifications, and helping managers monitor table capacity. In addition, testing shows that the system can improve customer satisfaction, speed up the reservation process, and reduce queues. Thus, this research found that optimizing the Waterfall method can produce an application that is stable, organized, and relevant to the needs of the contemporary coffee shop industry.
SISTEM PELAPORAN KEBAKARAN PINTAR DENGAN DETEKSI LOKASI DAN VALIDASI BUKTI VISUAL OTOMATIS Sanjaya, Anas; Widiono, Suyud
Jusikom : Jurnal Sistem Komputer Musirawas Vol 10 No 2 (2025): Jurnal Sistem Komputer Musirawas DESEMBER
Publisher : LPPM UNIVERSITAS BINA INSAN

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.32767/jusikom.v10i2.2771

Abstract

Fire is a disaster that requires a fast, accurate, and integrated reporting system to be managed effectively. However, the manual reporting process often causes delays in information delivery, limited verification, and a lack of visual evidence. This research aims to develop a web- and mobile-based fire reporting application using the Waterfall development method. The application integrates GPS to automatically detect incident locations and includes a visual evidence upload feature to improve reporting accuracy. Black-box testing results show that all features work properly and meet user requirements. The system accelerates the reporting process from approximately 15 minutes to 2 minutes, facilitates report verification, and provides real-time notifications to officers. The findings indicate that this fire reporting application is a practical digital solution to improve fire management efficiency and has strong potential for broader implementatio
Pengembangan Aplikasi Digital UMKM Berbasis Hybrid Development dengan React Native dan Supabase Menggunakan Metode R&D Wisudawan, Ilham; Widiono, Suyud
Jurnal Informatika Universitas Pamulang Vol 10 No 4 (2025): JURNAL INFORMATIKA UNIVERSITAS PAMULANG
Publisher : Teknik Informatika Universitas Pamulang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.32493/jiup.v10i4.54677

Abstract

Digital transformation has become a key element in enhancing the competitiveness and operational efficiency of Micro, Small, and Medium Enterprises (MSMEs). However, many MSME actors in Sleman, particularly in Minggir District, still face challenges in digitalization, such as low digital literacy, limited motivation and managerial capabilities, uneven network quality, and insufficient organizational readiness. This study aims to develop a digital MSME application based on hybrid development using React Native and Supabase as an efficient and affordable cross-platform solution. The research employed a Research and Development (R&D) method following five main stages: needs analysis, system design, implementation, testing, and evaluation. Testing of the core features—including user authentication, product management, sales transactions, and financial reporting—was conducted through 25 Black Box test cases, achieving a success rate of over 95%. Usability evaluation using the System Usability Scale (SUS) involved 50 MSME respondents, selected through purposive sampling based on business type diversity and digital experience, resulting in an average score of 84.2 (Excellent category), indicating that the application is user-friendly, efficient, and aligned with MSME operational needs. This study provides a practical contribution in the form of a prototype application that supports the digitalization process of MSMEs and a theoretical contribution to the literature on hybrid development based on Backend-as-a-Service (BaaS). The implementation results demonstrate the system’s effectiveness within the Minggir District, Sleman, with potential generalizability for application in other regions with similar conditions and MSME characteristics.
Development of a Web-Based Student Complaint System with Activity Dashboard Pratama, Wildan Dwi; Widiono, Suyud
Journal of Scientific Research, Education, and Technology (JSRET) Vol. 4 No. 4 (2025): Vol. 4 No. 4 2025
Publisher : Kirana Publisher (KNPub)

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.58526/jsret.v4i4.967

Abstract

This study develops a web-based student complaint information system designed to overcome the limitations of manual reporting processes commonly used in schools. Manual complaint handling often causes delays in responses, difficulty in tracking reports, and the absence of structured monitoring of user activities. To address these problems, the system integrates multi-user roles consisting of administrators, officers, and students, as well as an activity statistics dashboard that visually presents complaint data. The system was developed using the Waterfall method through stages of requirement analysis, system design, implementation, and testing. The features include complaint category management, user management, login history recording, and visualization of the number of complaints, comments, and responses. The implementation results show that the system effectively accelerates report submission, simplifies monitoring for officers, and helps administrators conduct structured evaluations using interactive statistical displays. Testing indicates that all functions operate properly and support efficient communication in the complaint handling workflow. Overall, this system provides a more organized, transparent, and data-driven solution for managing student complaints in schools
Co-Authors Achmad Nuruddin Safriandono Afwan Anggara Ahmad Tri Hidayat Andy, Fahryza Andy Maulana Anggara, Afwan Budi, Setyo De Rosal Ignatius Moses Setiadi Friwaldi, Restian Dwi Galih, Rahardian Damar Ginting, Hanaya Avy Genina Br Nugraha, Havin Neo Dimas Pratama, Wildan Dwi Ramadhan, Reza Pajri Sanjaya, Anas Suryana, Rio Putra Sutarman Sutarman Wisudawan, Ilham