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All Journal Jurnas Nasional Teknologi dan Sistem Informasi Journal of Computer Science, Information Technology and Telecommunication Engineering (JCoSITTE) Multica Science and Technology Brilliance: Research of Artificial Intelligence Sisfo: Jurnal Ilmiah Sistem Informasi Jurnal Komputer Teknologi Informasi Sistem Komputer (JUKTISI) Jurnal Pengabdian Masyarakat Bangsa Jurnal Malikussaleh Mengabdi
Ulya, Athiyatul
Universitas Malikussaleh, Indonesia
Religion Agriculture, Biological Sciences & Forestry Arts Humanities 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 Health Professions Industrial & Manufacturing Engineering Law, Crime, Criminology & Criminal Justice Library & Information Science Mathematics Mechanical Engineering Medicine & Pharmacology Nursing Physics Public Health Social Sciences Other

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Website-Based Text Encryption Simulation with Hill Chiper T. Sukma Achriadi Sukiman; Anni Zulfia; Annisa Karima; Athiyatul Ulya; Muharratul Mina Rizky
Brilliance: Research of Artificial Intelligence Vol. 5 No. 2 (2025): Brilliance: Research of Artificial Intelligence, Article Research November 2025
Publisher : Yayasan Cita Cendekiawan Al Khwarizmi

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.47709/brilliance.v5i2.5757

Abstract

Data security has become increasingly crucial in the modern digital era, where almost all types of information ranging from text, images, to audio are stored and exchanged in digital form through open networks. The rapid growth of internet-based communication makes data highly vulnerable to interception, modification, or misuse by unauthorized parties. Cryptography is one of the most effective solutions to address these challenges. Among the classical cryptographic techniques, the Hill Cipher remains relevant today because it is based on linear algebra and matrix transformations, which provide a strong mathematical foundation and can be adapted for modern computational implementation. In this study, a web-based application was developed using the Python Flask framework to implement the Hill Cipher algorithm. The application enables users to perform both encryption and decryption of text and images through an interactive interface. Users can input plaintext and key matrices, and the system processes the data to produce encrypted or decrypted outputs in real time. This design not only demonstrates the practicality of applying classical cryptographic concepts with contemporary web technologies but also serves as a valuable educational tool. The results show that the application performs effectively, producing accurate outputs, while also supporting user learning in understanding encryption–decryption processes and guiding efforts to secure digital information.
Information Security Risk Analysis Using ISO 31000:2018 and ISO 27001:2022 Athiyatul Ulya; Annisa Karima; T. Sukma Achriadi Sukiman; Anni Zulfia; Rafika Rahmawati
Brilliance: Research of Artificial Intelligence Vol. 5 No. 2 (2025): Brilliance: Research of Artificial Intelligence, Article Research November 2025
Publisher : Yayasan Cita Cendekiawan Al Khwarizmi

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.47709/brilliance.v5i2.6564

Abstract

Information system risk audits are an important step in ensuring the security, effectiveness, and efficiency of the systems used by organizations. However, the fast advancement of information and communication technologies has made information?security threats more intricate, arising not only from internal sources like employee carelessness but also from external sources such as cyber?attacks, malware, and data?theft. This study aims to analyze information security risks at the Central Statistics Agency (BPS) of Lhokseumawe by referring to two international standards, namely ISO/IEC 27001:2022 and ISO 31000:2018. The research approach used is descriptive qualitative with a case study method. Data collection techniques were conducted through interviews, observations, and document studies. The results of the study indicate that there are still various security gaps, both technical and non-technical, such as weak system authentication, the absence of adequate security policies, and the lack of incident handling procedures. This study successfully compiled a risk register containing 30 types of risks along with their causes, impacts, likelihood levels, and relevant mitigation recommendations. Improvement recommendations include strengthening technical controls, updating information security policies, enhancing human resource capacity, and conducting regular internal audits. The results of this study are expected to serve as a reference for strengthening information security systems in a systematic and standardized manner within the BPS environment.
Development of a Web-Based Integrated Housing Information System to Support Decision-Making at Ministry of Public Works and Housing (PUPR) Lhokseumawe Zalfie Ardian; Zarira Reri Najiha; Rahma Fitria; Rizky Putra Fhonna; Athiyatul Ulya
Sisfo: Jurnal Ilmiah Sistem Informasi Vol. 10 No. 1 (2026): Sisfo: Jurnal Ilmiah Sistem Informasi, Mei 2026
Publisher : Universitas Malikussaleh

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29103/sisfo.v10i1.26996

Abstract

The management of housing data that is not integrated often leads to delays in information, data inconsistency, and inefficiency in decision-making processes within government institutions. The Public Works and Housing Agency (PUPR) of Lhokseumawe City faces similar issues, where housing data management is still conducted manually using spreadsheet-based systems. This research aims to develop a web-based integrated housing information system to improve efficiency, accuracy, and accessibility of housing data. The methodology includes user requirement analysis, system design using Unified Modeling Language (UML), and system implementation using PHP and MySQL. The system provides features such as authentication, data management, and visualization dashboards. The results show that the system improves data processing efficiency, reduces redundancy, and supports decision-making in housing rehabilitation programs.
Co-Authors Ahmad Muklason Anni Zulfia ANNISA KARIMA Annisa Karima Arini, Diandra Diva Cut Ita Erliana Effan Fahrizal Emi Maulani Eri Saputra Fakhruddin Ahmad Nasution Feby Artwodini Muqtadiroh Khairul Amna, Khairul Liza Afra Muharratul Mina Rizky Muliana Muliana Mutammimul Ula Nurlaili, Aisma Nurrizqa Rafika Rahmawati Rahma Fitria Rinaldi Mirsa Risma, Nurrisma Rizky Putra Fhonna Sahputra , Ilham Septiani, Berlian Viga Soraya Masthura Hassan Sukiman, T. Sukma Achriadi T. Sukma Achriadi Sukiman Veri Ilhadi Zalfie Ardian Zarira Reri Najiha Zufia, Anni Zulfia , Anni