<p>Open and autonomous environments are highly heterogeneous and are characterized heavily by entities that leave or join the community as they choose. Security is termed as the degree of resistance to, or protection from, harm; the degrees of resistance to attacks in these varieties of networks are rather low. To protect the confidentiality of the information shared in these networks, it has to be secured from malicious individuals and communal. Though Public Key Infrastructure (PKI) is a widely accepted scheme, it is much ill-suited for adoption in open and autonomous environments. Traditional approaches to security schemes cannot always be adopted in open and autonomous distributed environments; ensuring security in such open natured environments is a critical issue that is open for investigation. Recent researches have suggested an effective way to provide security by building 'Trust' among entities to sort out the most reliable entities to interact with. This essentially calls for quantifying levels of entity trust in a distributed environment and obtaining feedback to support the levels of trust entrusted on the entities. This paper proposes a decentralized transitive trust and data dispersal to secure data exchanges among entities (a few of which may be malicious) in ad-hoc networked environments. © International Science Press.</p>
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Dr. Shyamala C. K., Ashok, N., and Narayanan, B., “Trust-based multi-path Security Scheme for Ad-hoc networks”, International Journal of Control Theory and Applications, vol. 8, pp. 1735-1742, 2015.