Garuda - Garba Rujukan Digital

Qualitative Analysis of the Security of URLs Extracted from QR Codes Using Artificial Intelligence: A Review of Current Literature: Rekayasa Keamanan Siber Gatut Yulisusianto; M. Andi Kurniawan; Yohanes Dwi Cahyono
Jurnal Telkommil Vol 6 No 2 (2025): Jurnal Telkommil
Publisher : Pustaka Poltekad

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.54317/kom.v6i2.592

The increasing use of QR codes in daily life has created opportunities for cyber threats, such as the insertion of malicious URLs that are difficult for average users to recognize. This research aims to qualitatively analyze best practices in URL security detection extracted from QR codes, particularly focusing on artificial intelligence (AI) approaches and the integration of digital audit systems. A systematic literature review method was applied, drawing from internationally indexed publications and thematic observations about user behavior and threat detection technologies for phishing and malware. Findings indicate that AI-based detection systems effectively identify security threats earlier and more accurately, especially when combined with user education features and activity logging through the Wazuh/ELK Stack. However, human error due to limited digital security literacy remains a major challenge. The study concludes that integrating automated detection technologies, user education, and digital auditing is crucial to mitigating cyberattacks via QR codes. Development of adaptable tools for emerging threat patterns and behavior-based user education strategies are recommended to enhance the national cybersecurity ecosystem.

SmartDork: Design of a Modular Search Application Based on Google Dork Using Flask: Rekayasa Keamanan Siber Try Haryadi; Nurrahman SM; Yohanes Dwi Cahyono
Jurnal Telkommil Vol 6 No 2 (2025): Jurnal Telkommil
Publisher : Pustaka Poltekad

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.54317/kom.v6i2.605

In the digital era, the ability to perform efficient and targeted information retrieval has become a pivotal necessity, particularly in the fields of research, cybersecurity, and Open-Source Intelligence (OSINT). Google Dorking is a powerful advanced search technique that leverages specific operators to uncover information that is not readily accessible through conventional search methods. However, the manual composition of Google Dork queries often requires a level of technical expertise, posing a significant barrier for non-technical users. To address this challenge, this study presents the design and implementation of SmartDork, a web-based application built on the Flask framework. The application's core purpose is to assist users in automatically generating tailored Google Dork queries based on their specific needs. Its modular architecture is composed of five distinct search categories: general, academic journals, news articles, datasets, and people-related information. The application was developed using a software engineering approach with Python programming and HTML template rendering. The system's effectiveness was validated through rigorous testing to ensure the accuracy and relevance of the generated queries based on user input for each module. The results demonstrate that SmartDork is capable of generating relevant and structured Google Dork queries and presenting them through an intuitive interface that simplifies complex search tasks. In conclusion, SmartDork proves to be an effective solution for users seeking to perform specific and efficient open data exploration. Future work may involve adding features for direct search execution or integration with external APIs.

Penerapan Enkripsi End To End Pada Keamanan Surat Elektronik Di Instansi Militer : Rekayasa Keamanan Siber irfannugroho irfannugroho; Desyderius Minggu; Yohanes Dwi Cahyono
Jurnal Telkommil Vol 7 No 1 (2026): Jurnal Telkommil
Publisher : Pustaka Poltekad

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The exchange of electronic mail within military institutions requires a high level of security due to the confidential nature of the information transmitted. This research focuses on applying end-to-end encryption (E2EE) technology to enhance the security of electronic mail used in military environments. The applied method includes system design, encryption process implementation, and performance testing to assess encryption reliability and message delivery accuracy. The results indicate that E2EE implementation successfully ensures that messages can only be accessed by the intended recipient, thus preventing unauthorized access during transmission. This study concludes that applying E2EE can effectively improve the confidentiality and security of electronic mail communications within military institutions.

Application of Tiny Flying Web Server for Delivery of Steganographic Images in Blankspot areas using Set Top Box (STB) Media: Rekayasa Keamanan Siber muhammadabdurrahman; Gatut Yulisusianto; Yohanes Dwi Cahyono
Jurnal Telkommil Vol 7 No 1 (2026): Jurnal Telkommil
Publisher : Pustaka Poltekad

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

This study aims to optimise the use of Set Top Box (STB)-based web servers in delivering steganographic images in blank spot areas. Steganography is a technique of hiding information in digital media so that its existence is difficult to detect, which plays an important role in communication security systems. The main problem faced is the difficulty of sending secret messages in areas that are not covered by the internet network. The methods used in this study include the development of a web server architecture that can interact with STBs, the installation of the Armbian operating system, and the implementation of web server services for the transmission of steganographic images. The results of the study show that an STB-based web server can function properly in transmitting steganographic images, where secret messages can be received and read correctly by the recipient. Thus, this study provides an innovative solution to improve connectivity and data security in blank spot areas, as well as contributing to the development of Internet of Things (IoT) technology and web server-based applications

Design And Implementation Of A Situation Mapping Security System Using Multi-Factor Authentication Based On Fingerprint Biometrics: Rekamsiber yelin_depondoye; Jeki Saputra; Yohanes Dwi Cahyono
Jurnal Telkommil Vol 7 No 1 (2026): Jurnal Telkommil
Publisher : Pustaka Poltekad

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

This research centers on the development and deployment of a secure situation-mapping framework that integrates Multi-Factor Authentication (MFA) with biometric fingerprinting and the FIDO2 WebAuthn protocol. The project was initiated as a response to the growing sophistication of cyber threats—specifically phishing and unauthorized access—which pose a significant risk to sensitive territorial data.Adopting a Research and Development (R&D) methodology, the study progressed through systematic phases: requirement analysis, architectural design, implementation, and rigorous testing. The core of the system lies in its dual-layered defense, combining traditional credentials (username and password) with advanced biometric verification. To maintain high precision, the fingerprint matching process utilizes minutiae extraction paired with Euclidean distance calculations and rotation transformations. This technical approach ensures that verification remains accurate even when scanning positions are inconsistent.The implementation results demonstrate a marked improvement in both authentication speed and overall security. Furthermore, thorough white-box testing confirms that the architecture is resilient against common vulnerabilities, including SQL Injection and Cross-Site Scripting (XSS). Ultimately, the developed system provides a robust solution for data protection while significantly enhancing the operational efficiency of situation mapping management.

Implementation of Domain Name System (DNS) Filter for Blocking Online Gambling Domains based on Raspberry Pi: Rekayasa Keamanan Siber umarfaruq; Heri Setiawan; Yohanes Dwi Cahyono
Jurnal Telkommil Vol 7 No 1 (2026): Jurnal Telkommil
Publisher : Pustaka Poltekad

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

The increased internet access in military education environments, including at the Poltekad Kodiklatad, has also opened up opportunities for abuse, such as access to online gambling, which has the potential to cause economic, social, and mental impacts, as well as information security risks through social engineering schemes. Data from the Ministry of Communication and Information of the Republic of Indonesia (2023) shows that thousands of online gambling domains are blocked, but domain fluxing practices cause the block list to quickly become outdated. On the other hand, a report from the National Cyber and Crypto Agency (2023) noted an increase in cyberattacks against defense institutions through the exploitation of user vulnerabilities. This study aims to develop and test a Raspberry Pi 4-based DNS Filtering system as a low-cost network security solution and zero-touch enforcement in the Poltekad environment. The method used is Research and Development (R&D) with a single-group pretest-posttest experimental design to measure the system's effectiveness before and after implementation. The four evaluation parameters include the effectiveness of blocking gambling domains, the false positive rate, the impact of DNS latency compared to Google DNS 8.8.8.8, and resistance to bypass (DoH, direct IP access, and VPN). The implementation results show that the system is capable of plug-and-play operation via Pi-hole as a transparent gateway at a cost of Rp2,150,000, lower than proprietary solutions. This research produces a blueprint for implementing open-source DNS Filtering that is effective, efficient, and replicable as a model for securing military unit networks in accordance with the policy of utilizing open technology within the Indonesian Army.

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