Abstract:Abstract: Man-in-the-Middle (MITM) attacks are a threat that can occur on public wireless networks, including campus Wi-Fi environments. This study aims to analyze MITM attacks on the Wi-Fi network at Universitas ‘Aisyiyah…
iyah Yogyakarta using the National Institute of Standards and Technology (NIST) digital forensics methodology. The study applied the four NIST phases: collection, examination, analysis, and reporting. The digital evidence analyzed included packet capture (PCAP) files, as well as digital traces such as browser history, cookies, and cache data obtained from the victim’s device. The analysis process utilized Wireshark, the SQLite Database Browser, and ChromeCacheView to identify suspicious activity and correlate the discovered digital traces. The results of the study show that the MITM attack was successfully reconstructed through the correlation of digital traces, leading to the identification of ARP spoofing and DNS spoofing originating from a device with the IP address 192.168.200.12 and the MAC address a0:47:d7:73:ef:fb. The correlation of digital traces in the victim’s network and system traffic revealed communication redirection and web access manipulation. This study concludes that the NIST method is capable of reconstructing MITM attacks and identifying digital evidence from activity traces on both the network and the system.
Keywords: ARP spoofing; digital forensics; DNS spoofing; MITM; NIST
Abstrak: Serangan Man-in-the-Middle (MITM) merupakan ancaman yang dapat terjadi pada jaringan nirkabel publik, termasuk lingkungan WiFi kampus. Penelitian ini bertujuan menganalisis serangan MITM pada jaringan WiFi Universitas ‘Aisyiyah Yogyakarta menggunakan metode forensik digital National Institute of Standards and Technology (NIST). Penelitian menerapkan empat tahapan NIST, yaitu collection, examination, analysis, dan reporting. Bukti digital yang dianalisis meliputi file packet capture (PCAP), jejak digital berupa history browser, cookies, dan cache yang diperoleh dari perangkat korban. Proses analisis menggunakan Wireshark, SQLite Database Browser, dan ChromeCacheView untuk mengidentifikasi aktivitas mencurigakan serta mengorelasikan jejak digital yang ditemukan. Hasil penelitian menunjukkan bahwa serangan MITM berhasil direkonstruksi melalui korelasi jejak digital yang mengarah pada identifikasi ARP spoofing dan DNS spoofing dari perangkat dengan alamat IP 192.168.200.12 dan MAC address a0:47:d7:73:ef:fb. Korelasi jejak digital pada lalu lintas jaringan dan sistem korban menunjukkan adanya pengalihan komunikasi serta manipulasi akses web. Penelitian ini menyimpulkan bahwa metode NIST mampu merekonstruksi serangan MITM dan mengidentifikasi bukti digital dari jejak aktivitas pada jaringan maupun sistem.
Kata kunci: ARP spoofing; DNS spoofing; forensik digital; MITM; NIST
Abstract:Abstract: The use of QR Codes in academic settings has increased with the digitization of attendance systems, but it has also introduced potential abuse in the form of quishing attacks (QR phishing). Previous studies have…
e mainly focused on user behavior, while forensic analysis of digital artifacts as evidence is still limited. This study aims to conduct a forensic analysis of browser artifacts resulting from interactions with dangerous QR Codes at Aisyiyah University Yogyakarta using the framework of the National Justice Institute (NIJ). Six investigation parameters are defined: domain identification, endpoint identification, identification of supporting resources, visualization of image artifacts, timestamp correlation, and HTML reconstruction. Data is obtained from the Google Chrome profile directory and analyzed using Autopsy, focusing on Web Cache, Browser History, and Cookies artifacts. The results showed that five parameters were successfully identified with an investigation success rate of 83.3%, while HTML reconstruction could not be fully achieved due to cache limitations. These findings show that Web Cache artifacts provide evidentiary value in the forensic investigation of QR Code-based attacks. Future research should focus on improving full-page reconstruction techniques.
Keywords: browser forensics; digital artifacts; NIJ; quishing; Web Cache
Abstrak: Penggunaan Kode QR di lingkungan akademik telah meningkat seiring dengan digitalisasi sistem absensi, tetapi juga menimbulkan potensi penyalahgunaan dalam bentuk serangan phishing (QR phishing). Studi sebelumnya sebagian besar berfokus pada perilaku pengguna, sementara analisis forensik artefak digital sebagai bukti masih terbatas. Studi ini bertujuan untuk melakukan analisis forensik artefak browser yang dihasilkan dari interaksi dengan Kode QR berbahaya di Universitas 'Aisyiyah Yogyakarta menggunakan kerangka kerja Lembaga Kehakiman Nasional (NIJ). Enam parameter investigasi didefinisikan: identifikasi domain, identifikasi titik akhir, identifikasi sumber daya pendukung, visualisasi artefak gambar, korelasi stempel waktu, dan rekonstruksi HTML. Data diperoleh dari direktori profil Google Chrome dan dianalisis menggunakan Autopsy, dengan fokus pada artefak Cache Web, Riwayat Browser, dan Cookie. Hasil menunjukkan bahwa lima parameter berhasil diidentifikasi dengan tingkat keberhasilan investigasi sebesar 83,3%, sementara rekonstruksi HTML tidak dapat sepenuhnya dicapai karena keterbatasan cache. Temuan ini menunjukkan bahwa artefak Cache Web memberikan nilai bukti dalam investigasi forensik serangan berbasis Kode QR. Penelitian selanjutnya harus fokus pada peningkatan teknik rekonstruksi halaman penuh.
Kata kunci: forensik peramban; artefak digital; NIJ; quishing; web cache
Abstract:Abstract: Automated batik motif classification is challenged by high inter-class similarity and texture complexity. This study proposes a hybrid model integrating MobileNetV2 as a feature extractor and Support Vector Machine…
hine (SVM) as the classifier to optimize accuracy and efficiency. Utilizing a Kaggle dataset of 8,640 images across 20 batik categories, the data was partitioned into 420 training images per class (Dayak: 360) and 15 testing images per class. The results demonstrate superior performance with 96.00% accuracy, exceeding the 90% target. The system showed high computational efficiency with a total execution time of 359.92 seconds and feature extraction taking only 22.63 seconds. This hybrid approach provides an ideal performance balance for resource-constrained mobile applications.
Keywords: batik classification; MobileNetV2; support vector machine; hybrid model; computational efficiency
Abstrak: Klasifikasi motif batik secara otomatis menghadapi tantangan kemiripan visual antar-kelas yang tinggi. Penelitian ini bertujuan mengoptimalkan akurasi dan efisiensi pengenalan batik menggunakan model hibrida MobileNetV2 sebagai pengekstraksi fitur dan Support Vector Machine (SVM) sebagai klasifikator. Menggunakan dataset Kaggle berisi 8.640 citra dari 20 kategori batik, data dibagi menjadi 420 citra latih per kelas (kecuali Batik Dayak 360) dan 15 citra uji per kelas. Hasil eksperimen menunjukkan performa impresif dengan akurasi 96,00%, melampaui target awal 90%. Sistem ini sangat efisien dengan total waktu eksekusi 359,92 detik, di mana ekstraksi fitur hanya membutuhkan 22,63 detik. Kombinasi MobileNetV2 dan SVM memberikan keseimbangan performa ideal untuk implementasi pada perangkat bergerak dengan sumber daya terbatas.
Kata kunci: klasifikasi batik; MobileNetV2; Support Vector Machine; Hybrid Model; efisiensi komputasi
Abstract:Abstract: The implementation of dress code regulations in university environments is generally still carried out conventionally, requiring significant time and effort and potentially leading to subjective assessments. This…
is study develops an automatic student dress code compliance detection system using computer vision based on the YOLOv8 model. The dataset consists of 1,800 annotated images divided into eight clothing categories, split into 78% training (1,404 images), 14% validation (254 images), and 8% testing (143 images). All images underwent preprocessing and data augmentation before training the YOLOv8 model with an input size of 640×640 pixels for 50 epochs. During testing, the YOLOv8 model achieved an overall performance of Precision 0.844, Recall 0.773, F1-Score 0.802, and mAP@0.5 0.841, and was able to detect clothing objects with good accuracy and stable performance under various image conditions. The system was integrated with a Flask-based backend and a web-based frontend to enable real time detection and compliance classification, with a response time of less than 2 seconds, supporting automatic and consistent identification of student dress code compliance as “Compliant” or “Violation.”
Keywords: compliance detection; computer vision; dress code regulations; real time detection; YOLOv8.
Abstrak: Penerapan aturan berpakaian di lingkungan kampus umumnya masih dilakukan secara konvensional sehingga membutuhkan waktu dan tenaga yang relatif besar serta berpotensi menimbulkan subjektivitas penilaian. Penelitian ini bertujuan mengembangkan sistem pendeteksi kepatuhan berpakaian mahasiswa secara otomatis berbasis visi komputer menggunakan model YOLOv8. Dataset yang digunakan terdiri dari 1.800 citra beranotasi yang terbagi ke dalam 8 kategori pakaian, dengan pembagian data sebesar 78% data latih (1.404 citra), 14% data validasi (254 citra) dan 8% data uji (143 citra). Seluruh citra diproses melalui tahapan pre-processing dan data augmentation, kemudian digunakan untuk melatih model YOLOv8 dengan ukuran input 640×640 piksel selama 50 epoch. Pada tahap pengujian, model mencapai performa keseluruhan dengan Precision 0.844, Recall 0.773, F1-Score 0.802, dan mAP@0.5 0.841, serta mampu mendeteksi objek pakaian dengan akurasi baik dan performa stabil pada berbagai kondisi citra. Sistem kemudian diintegrasikan dengan backend berbasis Flask dan frontend web untuk mendukung proses deteksi waktu nyata dan klasifikasi kepatuhan, dengan waktu respons sistem kurang dari 2 detik, sehingga mampu mengidentifikasi status kepatuhan berpakaian mahasiswa ke dalam kategori “Aman” dan “Melanggar Aturan” secara otomatis dan konsisten.
Kata kunci: aturan berpakaian; deteksi waktu nyata; pendeteksi kepatuhan; visi komputer; YOLOv8.
Abstract:Abstract: The rapid development of information and communication technology has prompted the government to provide digital-based services, including in the management of demographic data. This study aims to apply the Task-Centered…
k-Centered System Design (TCSD) method in designing the Muara Enim Regency Demographic Data Information System. The TCSD method was chosen to ensure that the prototype design process was systematic and focused on user needs and tasks. The research stages included identification, user-centered needs analysis, scenario-based design, and walkthrough evaluation. The designed prototype supports several main tasks, including viewing demographic statistics, searching for specific data, submitting data download requests, and contacting the admin. The evaluation was conducted through online usability testing using the Maze platform with the System Usability Scale (SUS) instrument involving 13 respondents. The evaluation results showed an average SUS score of 78.5, which falls into the “good” category. This confirms that the interface design has met usability standards, is user-friendly, and is capable of supporting user needs in accessing and managing demographic data. Thus, the application of the TCSD method has proven to be effective in producing an interface design that is focused on user tasks and can be the basis for further system development.
Keywords: system usability scale; task centered system design; user interface
Abstract:Abstract: Land registration in Indonesia often encounters challenges in transparency, data integrity, and centralized bureaucracy. Manual and semi-digital systems remain vulnerable to manipulation and delays. The National…
l Land Agency has initiated digitalization, but several challenges remain, particularly in ensuring transparency, efficiency, and security of land ownership data. Blockchain technology offers a potential solution through its decentralized and immutable characteristics. This study adopted a design and development method consisting of system analysis, requirements identification, architecture design, implementation, and black-box testing. The developed decentralized application (DApp) integrates smart contracts, NFTs, and IPFS to manage land certificates. Core functions such as minting, transfer, splitting, and self-custody were implemented and successfully tested, with all scenarios producing expected results. The findings demonstrate that blockchain integration can enhance security, reduce duplication, and streamline land administration. The study contributes a functional prototype with practical implications for modernizing land registration in Indonesia while identifying scalability and regulatory adaptation as areas for further research.
Keywords: blockchain; decentralized application; land registration; NFT; smart contract.
Abstract:Abstract: Lung cancer is most deadly cancers in the world. Identification and classification of the causes of understanding lung cancer is essential for developing more effective prevention and treatment strategies. The…
issue is that a lot of individuals are unaware about the characteristics and causes of lung cancer. The purpose of this study is to apply the K-Nearest Neighbor (K-NN) algorithm in the classification of the causes of lung cancer and provide education to the public must be aware of the traits of lung cancer patients and, to stay away from the causes of lung cancer. The dataset used consists of 309 samples with 16 relevant attributes. The K-NN algorithm was trained and tested to assess its ability to classify the factors that cause lung cancer. The results showed an accuracy of 90.32%, with a precision for the "YES" class of 96% and the "NO" class of 67%. The recall value for the "YES" class was 92% and for the "NO" class was 80%. The implementation of this algorithm gives good results in classification and can help in early detection and prevention of lung cancer which can be used in the development of more effective prevention and early diagnosis strategies.
Keywords: lung cancer; k-nearest neighbor; classification; machine learning
Abstrak: Kanker paru-paru tergolong jenis penyakit kanker yang memperoleh angka kematian paling tinggi di dunia. Identifikasi dan klasifikasi penyebab kanker paru-paru sangat penting untuk pengembangan strategi pencegahan dan pengobatan yang lebih efektif. Masalah yang terjadi adalah banyak orang yang belum mengetahui tentang ciri-ciri dan penyebab-penyebab dari kangker paru tersebut. Tujuan penelitian ini adalah mengimplementasikan algoritma K-Nearest Neighbor (K-NN) dalam klasifikasi penyebab kanker paru-paru serta memberikan edukasi kepada masyarakat banyak agar mengetahui ciri-ciri orang yang mengidap kangker paru-paru dan tentunya untuk menghindari penyebab-penyebab dari kangker paru-paru tersebut. Dataset yang digunakan terdiri dari 309 sampel dengan 16 atribut yang relevan. Algoritma K-NN kemudian dilatih dan diuji untuk menilai kemampuannya dalam mengklasifikasikan faktor-faktor penyebab kanker paru-paru. Hasil penelitian menunjukkan akurasi sebesar 90.32%, dengan skor precision untuk kelas "YES" sebesar 96% dan kelas "NO" sebesar 67%. Nilai recall untuk kelas "YES" adalah 92% dan untuk kelas "NO" sebesar 80%. Implementasi algoritma ini memberikan hasil yang baik dalam klasifikasi dan dapat membantu dalam deteksi dini serta pencegahan kanker paru-paru yang dapat digunakan dalam pengembangan strategi pencegahan dan diagnosis dini yang lebih efektif.
Kata kunci: kanker paru-paru; k-nearest neighbor; klasifikasi; machine learning
Abstract:Abstract: In the health sector, information technology was initially used for exchanging information between patients and doctors, health services, and exchanging health documents. The aim of applying information technology…
ogy to the health sector is to increase the effectiveness and efficiency of the performance of doctors and clinic staff. This research uses COBIT 2019 as a framework for evaluating information technology governance. Primary data is collected directly from the research subjects through observation and interviews, while secondary data is sourced from other materials, such as documents or websites related to the research subject. This research focuses on Risk Profile and I&T Related Issues, with domains: APO11 – Managed Quality, and APO13 – Managed Security. Through interviews and evaluation, each priority objective was found to be at capability level 2 with ratings of 100% and 86% respectively. There are no significant gaps between the current capability levels; both are at level 2.
Keywords: auditing; COBIT 2019; telemedicine
Abstrak: Di sektor kesehatan, teknologi informasi awalnya digunakan untuk pertukaran informasi antara pasien dan dokter, layanan kesehatan, dan pertukaran dokumen kesehatan. Tujuan penerapan teknologi informasi di sektor kesehatan adalah untuk meningkatkan efektivitas dan efisiensi kinerja dokter dan staf klinik. Penelitian ini menggunakan COBIT 2019 sebagai kerangka kerja untuk mengevaluasi tata kelola teknologi informasi. Data primer dikumpulkan langsung dari subjek penelitian dengan melakukan pengamatan dan interaksi langsung, sementara data sekunder diperoleh dari sumber lain. didapatkan dari jurnal atau situs website yang berkaitan dengan subjek penelitian. Penelitian ini berfokus pada Risk Profile dan I&T Related Issues, dengan domain : APO11 – Managed Quality, dan APO13 – Managed Security. Melalui wawancara dan evaluasi, setiap tujuan prioritas ditemukan berada pada level kapabilitas 2 dengan nilai masing-masing 100% dan 86%. Tidak ada kesenjangan signifikan antara tingkat kapabilitas saat ini; keduanya berada pada level 2.
Kata kunci: audit; COBIT 2019; telemedis
Abstract:Abstract: This research aims to design a system that can assist the final assignment development process by focusing on resolving frequently encountered obstacles, such as clarity of research title status, guidance process,…
ss, and research schedule. The development method used is the Scrum method approach with a small scale and team. During the development process, an analysis of each sprint is carried out from preparation to the development process. The results of development using the Scrum method show that each feature was completed within 8 hours per day, with each sprint completed in a week. The total time required to complete all sprints designed on the BITA Information System is 128 hours. The application of the Scrum method provides results that enable rapid identification of changes during the development process, as well as optimizing the process of submitting and validating titles, determining supervisors, evaluating guidance, and scheduling exams. Thus, this research provides an effective solution in increasing the efficiency and effectiveness of the final assignment coaching process for students in completing their studies.
Keywords: information system; optimal efficiency; scrum method; SI BITA; thesis guidance.
Abstrak: Penelitian ini bertujuan untuk merancang sistem yang dapat membantu proses pembinaan tugas akhir dengan fokus pada penyelesaian kendala yang sering dihadapi, seperti kejelasan status judul penelitian, proses bimbingan, dan jadwal penelitian. Metode pengembangan yang digunakan adalah pendekatan metode Scrum dengan skala dan tim kecil. Selama proses pengembangan, dilakukan analisis terhadap setiap sprint yang dihasilkan dari persiapan hingga proses pengembangan. Hasil pengembangan menggunakan metode Scrum menunjukkan bahwa setiap fitur diselesaikan dalam jangka waktu 8 jam per hari, dengan setiap sprint selesai dalam seminggu. Total waktu yang dibutuhkan untuk menyelesaikan semua sprint yang dirancang pada Sistem Informasi BITA adalah 128 jam. Penerapan metode Scrum memberikan hasil yang memungkinkan identifikasi cepat terhadap perubahan selama proses pengembangan, serta mengoptimalkan proses pengajuan dan validasi judul, penentuan pembimbing, evaluasi bimbingan, dan penjadwalan ujian. Dengan demikian, penelitian ini menyediakan solusi yang efektif dalam meningkatkan efisiensi dan efektivitas proses pembinaan tugas akhir bagi mahasiswa dalam menyelesaikan studi mereka.
Kata kunci: sistem informasi; efisiensi optimal; metode scrum; SI BITA; bimbingan skripsi
Abstract:Abstract: Recognizing one's interests and talents early on is crucial in guiding an individual toward a prosperous future. While distinct, interests and talents share a close relationship. Interest denotes a genuine attraction…
action to something without external pressure, and when consistently nurtured, it evolves into a skill or talent. Machine learning, specifically utilizing the SVM algorithm with the RBF kernel, can be applied to categorize interests and talents. Prior to SVM modeling, conducting Exploratory Data Analysis (EDA) is imperative for scrutinizing interests and talents. This analysis facilitates the identification of variables, enabling the elimination of missing values and ensuring the selection of appropriate interest and talent variables. The primary objective is to achieve optimal accuracy in modeling the classification of interests and talents. The insights gained from this research contribute to the creation of an application designed for categorizing interests and talents within SDN XYZ school. This application is designed for student use, assisting them in making informed decisions about their future education and career paths
Keywords: exploratory data analysis; interests and talents; machine learning; SVM Algorithm
Abstrak: Mengenali minat dan bakat seseorang sejak dini sangat penting dalam membimbing individu menuju masa depan yang sukses. Meskipun berbeda, minat dan bakat memiliki hubungan yang erat. Minat mengindikasikan ketertarikan yang tulus terhadap sesuatu tanpa tekanan eksternal, dan ketika terus-menerus dibina, berkembang menjadi keterampilan atau bakat. Pembelajaran mesin, khususnya dengan menggunakan algoritma SVM dan kernel RBF, dapat digunakan untuk mengelompokkan minat dan bakat. Sebelum pemodelan SVM, melakukan Analisis Data Eksploratif (EDA) sangat penting untuk mengkaji minat dan bakat. Analisis ini memfasilitasi identifikasi variabel, memungkinkan penghilangan nilai yang hilang, dan memastikan pemilihan variabel minat dan bakat yang tepat. Tujuan utamanya adalah mencapai akurasi optimal dalam pemodelan klasifikasi minat dan bakat. Temuan dari penelitian ini berkontribusi pada pengembangan aplikasi yang ditujukan untuk mengkategorikan minat dan bakat di sekolah SDN XYZ. Aplikasi ini dirancang untuk digunakan oleh siswa, membantu mereka membuat keputusan yang terinformasi mengenai pendidikan dan karier masa depan mereka.
Kata kunci: Algoritma SVM; exploratory data analysis; machine learning; minat dan bakat