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Physical Sciences and Mathematics Commons

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Full-Text Articles in Physical Sciences and Mathematics

Genetic Algorithm Based Model In Text Steganography, Christine K. Mulunda, Peter W. Wagacha, Alfayo O. Adede Oct 2013

Genetic Algorithm Based Model In Text Steganography, Christine K. Mulunda, Peter W. Wagacha, Alfayo O. Adede

The African Journal of Information Systems

Steganography is an ancient art. It is used for security in open systems. It focuses on hiding secret messages inside a cover medium. The most important property of a cover medium is the amount of data that can be stored inside it without changing its noticeable properties. There are many sophisticated techniques with which to hide, analyze, and recover that hidden information. This paper discusses an exploration in the use of Genetic Algorithm operators on the cover medium. We worked with text as the cover medium with the aim of increasing robustness and capacity of hidden data. Elitism is used …


2013 - The Eighteenth Annual Symposium Of Student Scholars Apr 2013

2013 - The Eighteenth Annual Symposium Of Student Scholars

Symposium of Student Scholars Program Books

The full program book from the Eighteenth Annual Symposium of Student Scholars, held on April 25, 2013. Includes abstracts from the presentations and posters.


Hybrid Spread-Spectrum Tcp For Combating Fraudulent Cyber Activities Against Reconnaissance Attacks, Simon Enoch Yusuf, Olumide Longe Apr 2013

Hybrid Spread-Spectrum Tcp For Combating Fraudulent Cyber Activities Against Reconnaissance Attacks, Simon Enoch Yusuf, Olumide Longe

The African Journal of Information Systems

The inefficiencies of current intrusion detection system against fraudulent cyber activities attracts the attention of computer gurus, also known as “hackers” to exploit known weakness on a particular host or network. These hackers are expert programmers who mainly focus on how the Internet works, and they interact with each other to know its strengths and weaknesses. Then they develop advanced tools which an average attacker with little background can use to know the liveness, reachability and running service on the network. Once an attacker identifies these details, he can accurately launch an effective attack and get maximum benefit out of …