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Acquiring authentic data in unattended wireless sensor networks
Chia-Mu Yu1, Chi-Yuan Chen, Chun-Shien Lu
1Institute of Information Science, Academia Sinica, Taipei, Taiwan. r91045@csie.ntu.edu.tw
Sensors (Basel, Switzerland)
|February 10, 2012
Summary
This study introduces AAD, a new method for acquiring authentic data in unattended wireless sensor networks (UWSNs). AAD enhances security against sensor compromise and denial-of-service attacks while reducing energy consumption.
Area of Science:
- Computer Science
- Network Security
- Wireless Sensor Networks
Background:
- Unattended Wireless Sensor Networks (UWSNs) are vulnerable to sensor compromise and data falsification.
- Existing authentication methods in UWSNs are susceptible to denial-of-service (DoS) attacks like Path-Based DoS (PDoS) and False Endorsement-based DoS (FEDoS).
Purpose of the Study:
- To propose a novel scheme, Acquire Authentic Data (AAD), to address the authentication and security challenges in UWSNs.
- To enhance the resilience of UWSNs against sensor compromises and specific DoS attacks.
Main Methods:
- The proposed AAD scheme leverages collaboration among sensors for data authentication.
- The scheme's design focuses on a robust collaboration mechanism to ensure data integrity.
Main Results:
- AAD demonstrates superior resilience against sensor compromises, PDoS, and FEDoS attacks.
- Simulations show AAD consumes less than 30% of the energy used by the existing ExCo method in a 1,000-sensor network.
Conclusions:
- AAD effectively addresses the authentication problem in UWSNs through sensor collaboration.
- The proposed scheme offers improved security and significantly lower energy consumption compared to existing methods.
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