The objective of the research work is to propose a policy aware privacy enhancement model using dynamic trust and security management techniques. The different polices of the stakeholders incorporating device manufacturer, service provider, Mobile agents and mobile users are considered to achieve an enhanced privacy for on-demand request. The entities involving direct and indirect trust establishment with all forms of uncertainties like DDoS attacks are considered along with multiple layers of security management operations across varying trusted entities. The focus is to enhance the existing privacy through an efficient, preventive, detective, response mechanisms for those attacks, which will address the problem of DDoS before, during and after an actual attack. The session time and access time are controlled by the privileges and rights for disclosure of information in pervasive environment.
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