Pre-quarantine Approach for Defense against Propagation of Malicious Objects in Networks

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ChukwuNonso H. Nwokoye 1,* Godwin C. Ozoegwu 2 Virginia E. Ejiofor 1

1. Department of Computer Science, Nnamdi Azikiwe University, Awka, Nigeria

2. Department of Mechanical Engineering, University of Nigeria, Nsukka

* Corresponding author.


Received: 15 Aug. 2016 / Revised: 25 Oct. 2016 / Accepted: 1 Dec. 2016 / Published: 8 Feb. 2017

Index Terms

Pre-quarantine, Epidemic model, Wireless sensor network, Malicious objects


This paper revisits malicious object propagation in networks using epidemic theory in such a manner that it proposes the (Pre-quarantining) of nodes in networks. This is a concept that is known by experience to be a standard disease control procedure that involves screening and quarantining of immigrants to a population. As preliminary investigation we propose the Q-SEIRS model and the more advanced Q-SEIRS-V model for malicious objects’ spread in networks. This Pre-quarantine concept addresses and implements the “assume guilty till proven innocent” slogan of the cyber world by providing a mechanism for pre-screening, isolation and treatment for incoming infected nodes. The treated nodes from the pre-quarantine compartment are sent to the recovered compartment while the free nodes join the network population. The paper also derived the reproduction number, equilibria, as well as local stability of the proposed model. Numerical methods are employed to solve the system of equations and MATLAB is used to simulate the system so as to visualize the dynamical behavior of the models. It is seen that pre-screening/pre-quarantining improves the recovery rate in relative terms.

Cite This Paper

ChukwuNonso H. Nwokoye, Godwin C. Ozoegwu, Virginia E. Ejiofor, "Pre-quarantine Approach for Defense against Propagation of Malicious Objects in Networks", International Journal of Computer Network and Information Security(IJCNIS), Vol.9, No.2, pp.43-52, 2017. DOI:10.5815/ijcnis.2017.02.06


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