Jurnal Teknologi dan Ilmu Komputer

Studi Keamanan Data Pada Sistem Penyimpanan Lokal Terhadap Ancaman Malware

The rapid development of information technology has increased reliance on digital data in various individual and organizational activities. This condition was accompanied by a growing number of cybersecurity threats, particularly malware attacks targeting local storage systems. Although cloud-based services have contin...

Weak passwords and absence of 2FA: Analysis of a ransomware attack on university

Research findings demonstrate that network segmentation, immutable backup technology, multi-factor authentication, and continuous auditing are essential defensive measures.

AN ADAPTIVE MODEL FOR SELECTING SYMMETRIC CRYPTOGRAPHIC ALGORITHMS IN INFOCOMMUNICATION SYSTEMS

The article examines current challenges in ensuring effective cryptographic protection of information in modern infocommunication systems amid the rapid development of digital technologies, the growth of data volumes, and the complexity of cyber threats. Particular attention was paid to analyzing the features of using...

A Simulation-Driven Analysis of RC2, 3DES, DES, and AES for Fast and Secure Data Encryption

The unprotected electronic document may be subjected to a data breach, in which private or sensitive information is stolen, taken, altered, copied, communicated, viewed, or used without authorization. This study focuses on Data Protection in Cyber-security and compare four encryption algorithms by simulation method to...

Marker-based crypto-steganographic system for secure data transmission over open channels

The insufficiency of statistical analysis as security proof in image encryption: A comparative analysis with the IND-CPA security model

The majority of studies in the field of image encryption attempt to prove the security of proposed encryption methods through statistical tests such as entropy, NPCR (Number of Pixels Change Rate), UACI (Unified Average Changing Intensity), correlation coefficient, and histogram analysis. In this study, it is experimen...