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A game-theoretical approach to multimedia social networks security
Enqiang Liu1, Zengliang Liu1, Fei Shao2
1University of Science and Technology Beijing, Beijing 100083, China.
Thescientificworldjournal
|July 1, 2014
Summary
This study introduces a novel two-party trust architecture (TPTA) for multimedia social networks (MSNs). It uses game theory to find optimal security policies, enhancing trust between content providers and requesters.
Area of Science:
- Computer Science
- Network Security
- Game Theory
Background:
- Multimedia Social Networks (MSNs) rely on access control for content sharing.
- Traditional access control models struggle to establish trust among users.
- Existing security policies are insufficient for fostering robust trust relationships.
Purpose of the Study:
- To propose a novel two-party trust architecture (TPTA) for MSNs.
- To enhance trust establishment and maintenance among stakeholders in MSNs.
- To leverage game-theoretic analysis for optimal security policy selection.
Main Methods:
- Developed a two-party trust architecture (TPTA) for generic MSN scenarios.
- Applied game-theoretic analysis to model security policy adoption.
- Formalized utilities of security policies and security rules.
- Defined content access as a game between providers and requesters.
Main Results:
- Achieved Nash equilibrium through game-theoretic analysis.
- Identified an optimal and stable combination of security policies.
- Demonstrated the effectiveness of TPTA in establishing and enhancing trust.
- Showcased how security policy utility influences stakeholder benefits.
Conclusions:
- The proposed TPTA effectively addresses trust issues in MSNs.
- Game theory provides a robust framework for selecting optimal security policies.
- TPTA enhances content access and sharing by fostering trust.
- This approach leads to stable and mutually beneficial security policy configurations.
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