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DATA SECURITY AND PRIVACY IN WIRELESS BODY AREA NETWORKS MING LI AND WENJING LOU, WORCESTER POLYTECHNIC INSTITUTE KUI REN, ILLINOIS INSTITUTE OF TECHNOLOGY.

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Presentation on theme: "DATA SECURITY AND PRIVACY IN WIRELESS BODY AREA NETWORKS MING LI AND WENJING LOU, WORCESTER POLYTECHNIC INSTITUTE KUI REN, ILLINOIS INSTITUTE OF TECHNOLOGY."— Presentation transcript:

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2 DATA SECURITY AND PRIVACY IN WIRELESS BODY AREA NETWORKS MING LI AND WENJING LOU, WORCESTER POLYTECHNIC INSTITUTE KUI REN, ILLINOIS INSTITUTE OF TECHNOLOGY IEEE Wireless Communications February 2010 報告人 : 方良慧 教師:溫志煜

3 2010/4/26WSN2 Outline Introduction Requirements for Data Security And Privacy In WBANs Challenging Practical Issues Solutions For Data Security And Privacy In WBANs Conclusion

4 2010/4/26WSN3 Introduction (1/3) The wireless body area network (WBAN) has emerged as a new technology for e- healthcare. WBAN allows the data of a patient’s vital body parameters and movements to be collected by small wearable or implantable sensors. And communicated using short-range wireless communication techniques.

5 2010/4/26WSN4 Introduction (2/3) This medical information is shared among and accessed by various users. Such as healthcare staff, researchers, government agencies, and insurance companies. Based on the WBAN, a wide range of novel applications are enabled Such as ubiquitous health monitoring (UHM), computer-assisted rehabilitation, emergency medical response system (EMRS) and so on.

6 2010/4/26WSN5 Ubiquitous Health Monitoring (UHM)

7 2010/4/26WSN6 Emergency Medical Response System (EMRS)

8 2010/4/26WSN7 The general architecture of a WBAN

9 2010/4/26WSN8 Introduction (3/3) Patient-related data is often stored in a distributive manner; the open and dynamic nature of the WBAN makes the data prone to being lost. Therefore, it is equally important to protect patient-related data against malicious modification and to ensure its dependability.

10 2010/4/26WSN9 Requirements for Data Security And Privacy In WBANs Threats Faced By The Data Stored Within WBAN –Threats from device compromise –Threats from network dynamics In order to prevent the patient-related data from leaking during storage periods, the data needs to be always kept confidential at a node or local server. –The data confidentiality should be resilient to device compromise attacks.

11 2010/4/26WSN10

12 2010/4/26WSN11 Challenging Practical Issues Conflict between security and efficiency Conflict between security and safety Conflict between security and usability Requirement for device interoperability

13 2010/4/26WSN12 Solutions For Data Security And Privacy In WBANs Secure And Dependable Distributed Data Storage. –Data confidentiality, dependability, and integrity are three most important requirements for distributed data storage in WBAN. –In order to enhance the dependability of the data, error-correcting code techniques can be employed to provide redundancy.

14 2010/4/26WSN13 Fine-Grained Distributed Data Access Control Access Policy SKC-Based Schemes –Symmetric Key Cipher PKC-Based Schemes –Public Key Cipher Anonymity in Access Control

15 2010/4/26WSN14 Access Policy

16 2010/4/26WSN15 SKC-Based Schemes

17 2010/4/26WSN16 PKC-Based Schemes

18 2010/4/26WSN17 Conclusion The WBAN is an emerging and promising technology that will change people’s healthcare experiences revolutionarily. Data security and privacy in WBANs and WBAN-related e-healthcare systems is an important area, and there still remain a number of considerable challenges to overcome.

19 thanks for your attention


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