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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
Download full textLehrfeld, Michael R. – Association Supporting Computer Users in Education, 2018
Individuals whom have legitimate access to network resources, trade secrets, or otherwise sensitive data as part of their daily functions are categorized as an Insider Risk. Insider Risk has been pushed into the public eye in recent years with the Edward Snowden leaks of 2013. Snowden had a business need to access the data he retrieved but the…
Descriptors: Computer Security, Information Security, Information Storage, Risk
