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Direct linkDebnath, Diptasree; Ghosh, Emlon; Banik, Barnali Gupta – International Journal of Web-Based Learning and Teaching Technologies, 2020
Steganography is a widely-used technique for digital data hiding. Image steganography is the most popular among all other kinds of steganography. In this article, a novel key-based blind method for RGB image steganography where multiple images can be hidden simultaneously is described. The proposed method is based on Discrete Cosine Transformation…
Descriptors: Computer Security, Information Security, Privacy, Color
Švábenský, Valdemar; Vykopal, Jan; Celeda, Pavel; Tkácik, Kristián; Popovic, Daniel – Education and Information Technologies, 2022
Hands-on cybersecurity training allows students and professionals to practice various tools and improve their technical skills. The training occurs in an interactive learning environment that enables completing sophisticated tasks in full-fledged operating systems, networks, and applications. During the training, the learning environment allows…
Descriptors: Computer Security, Information Security, Training, Data Collection
Coggins, Porter E. – Computers in the Schools, 2013
The purpose of this article is to present several implications and recommendations regarding what elementary school children, aged 9-12 years, know about computer passwords and what they know about why computer passwords are important. Student knowledge can then be used to make relevant curriculum decisions based in conjunction with applicable…
Descriptors: Computer Security, Elementary School Students, Student Attitudes, Computer Attitudes
