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All Journal RABIT: Jurnal Teknologi dan Sistem Informasi Univrab JURNAL ILMIAH INFORMATIKA Jurnal E-Komtek Telcomatics Jurnal Pengabdian Masyarakat Indonesia (JPMI) Jurnal Pengabdian Masyarakat Tekno
Stefanus Eko Prasetyo
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Computer Science & IT Control & Systems Engineering Electrical & Electronics Engineering Engineering Other

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Journal : Jurnal E-Komtek

 1 
Ransomware Attack Analysis in Cybersecurity Stefanus Eko Prasetyo; Heru Wijayanto Aripradono; Ricardo
Jurnal E-Komtek (Elektro-Komputer-Teknik) Vol 9 No 1 (2025)
Publisher : Politeknik Piksi Ganesha Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.37339/e-komtek.v9i1.2279

Abstract

Ransomware attacks have emerged as a significant threat to computer security in the digital age. This research aims to analyze ransomware attacks within the context of cybersecurity, specifically focusing on the impact of such attacks on an organization's database infrastructure. The study involves simulating ransomware attacks using techniques commonly employed by attackers in real-world scenarios. It includes a comprehensive literature review, case observations of previous ransomware attacks, and system simulations to understand the nature of these attacks and their potential consequences. The research highlights the need for effective mitigation strategies to safeguard critical organizational infrastructure and provide insights into strengthening defenses against ransomware. The findings of this study are expected to contribute to the development of more effective and sustainable cybersecurity strategies to address the growing complexity of cyber threats and ensure the operational continuity of organizations.Keywords: Ransomware attacks, Cybersecurity, Database infrastructure
Comparison of DES, AES, IDEA RC4 and Blowfish Aglorithms in Data Encryption and Decryption Stefanus Eko Prasetyo; Gautama Wijaya; Felix
Jurnal E-Komtek (Elektro-Komputer-Teknik) Vol 9 No 1 (2025)
Publisher : Politeknik Piksi Ganesha Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.37339/e-komtek.v9i1.2259

Abstract

The advancement of information technology has had a significant impact, one of which is as a medium for transmitting information from one place to another, making information access easier for many people. However, the ease of access to communication media also poses challenges for information security, as information becomes more vulnerable to being accessed, stolen, or manipulated by irresponsible parties. To protect the confidentiality of information, specific methods are needed, one of which is cryptography. In cryptography, there are various algorithms, including DES, AES, IDEA, Blowfish, Twofish, and RC4. This research aims to compare the performance of several cryptographic algorithms in the data encryption and decryption processes, focusing on processing speed and the size of the encrypted file. The results of the research show differences in processing time and file size of encrypted and decrypted data for each algorithm. Keywords: Aglorithms, Decryption, Encryption.
Co-Authors Ari Wahyuni Kaharuddin Dominggo Givarel Elvin Tan Elvis Felix Gautama Wijaya Haeruddin Haeruddin Haeruddin Heru Wijayanto Aripradono Nurul Hassanah Ricardo Try Windranata Yulianto, Andik