The concepts of information ecosystems and multi agent systems are used to describe a security consistency model where, as a background, humans are presumed to act as Machiavellian beings, i.e. behaving selfishly. Based on this notion, we analyze behaviors initiated by network contaminants derived from the groupings marketing, espionage and malice, and their effects to an entire ecosystem. The contribution of this paper is a security consistency model, which illustrates a comprehensive and systemic view of the evolutionary risk environment in information networks.

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