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All Journal JIKUM: Jurnal Ilmu Komputer
Akbar, Fathul Barri
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Computer Science & IT Decision Sciences, Operations Research & Management

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Analisis Keamanan Sistem Akademik Berbasis Web terhadap Serangan SQL Injection Akbar, Fathul Barri; Sipayung, Ariq Fadhilah Pasya; Lisara, Afra Dhiya; Syakira, Nasyatha; Raisa, Devia
JIKUM: Jurnal Ilmu Komputer Vol. 2 No. 1 (2026): JIKUM: Jurnal Ilmu Komputer, Mei 2026
Publisher : LEMBAGA KAJIAN PEMBANGUNAN PERTANIAN DAN LINGKUNGAN (LKPPL)

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.62671/jikum.v2i1.161

Abstract

Web-based academic systems have become an essential component in managing educational data, including student records, lecturer data, grades, class schedules, and other academic administration processes. The implementation of web technology enables educational institutions to improve efficiency, speed, and accuracy in processing academic information in an integrated manner, as well as providing easy access for users anytime and anywhere. However, this openness also introduces various security risks that may threaten data confidentiality and system reliability. One of the most common security threats in web applications is SQL Injection attacks, which exploit weaknesses in user input handling, particularly in applications connected to databases. Through this attack, malicious actors can insert harmful SQL commands to gain unauthorized access, modify data, or delete critical information. This study aims to analyze the vulnerability level of a web-based academic system to SQL Injection attacks and to identify appropriate prevention measures. The research method employs a case study approach and literature analysis with simulated attacks on login forms and data input features. The results indicate that systems lacking input validation, data sanitization, and prepared statements are highly vulnerable to SQL Injection attacks. Therefore, the implementation of proper security mechanisms is essential to protect academic data.
Teknik Penyembunyian Data Non-Destruktif pada Citra Digital Menggunakan Metode End-of-File (EOF) dan Enkripsi AES-256 Farhan, Muhammad Ulya; Akbar, Fathul Barri; Fatin, Ammar; Harahap, Ariifah Yaasir
JIKUM: Jurnal Ilmu Komputer Vol. 2 No. 1 (2026): JIKUM: Jurnal Ilmu Komputer, Mei 2026
Publisher : LEMBAGA KAJIAN PEMBANGUNAN PERTANIAN DAN LINGKUNGAN (LKPPL)

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.62671/jikum.v2i1.172

Abstract

Conventional cryptography and LSB steganography often suffer from detectability and visual distortion. This study proposes a non-destructive solution integrating End-of-File (EOF) steganography with AES-256 encryption to ensure data security without compromising carrier media quality. The method functions by appending encrypted data after the image file terminator, leaving the original pixel structure intact. Security is reinforced using AES-256 (CBC mode) and PBKDF2-HMAC-SHA256 with 100,000 iterations. Experimental results using the "PrivaSel" interface demonstrate perfect visual integrity, evidenced by identical histograms between original and stego images. Validation via Hex Editor confirms data insertion through a unique "AES-EOF" marker. Consequently, this system achieves an optimal balance between confidentiality and invisibility, preserving 100% of carrier media integrity for secure digital exchange.
Co-Authors Farhan, Muhammad Ulya Fatin, Ammar Harahap, Ariifah Yaasir Lisara, Afra Dhiya Raisa, Devia Sipayung, Ariq Fadhilah Pasya Syakira, Nasyatha