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Security Dependent Parameters in a Predator Prey/Obligate Mutualism INFOSEC Model



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Journal of Information System Security
Volume 16, Number 2 (2020)
Pages 99119
ISSN 1551-0123
Norman Pendegraft — College of Business and Economics, University of Idaho, USA
Information Institute Publishing, Washington DC, USA




A theoretical predator prey / obligate mutualism model of information security is extended to allow for some of the parameters to be non-constant and dependent on security. A numerical example demonstrates the evolution of the critical point as security increases. The system encounters two phase changes: from three dimensions to two dimensions as attackers disappear and then to a null solution as users disappear. In the two dimensional sub-problem, the critical point farther from the origin is stable. The impact of security changes in the 3D case is illustrated with graphical estimation of the basins of attraction of the critical points.




Information Security, Ecology.




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