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Channel state information (CSI) has been recently shown to be useful in performing security attacks in public WiFi environments. By analyzing how CSI is affected by the finger motions, CSI-based attacks can effectively reconstruct text-based passwords and locking patterns. This paper presents WiGuard, a novel system to protect sensitive on-screen gestures in a public place. Our approach carefully...
With the development of healthcare industry, healthcare informatization provides great potential for the healthcare improvement. The cloud computing platform, which is an important infrastructure for the inter(intra)-organization collaboration, provides a shared storage space to the medical data sharing. For the privacy protection of medical data, sensitive data has to be encrypted before being transmitted...
With the explosive growth of medical information, the users not only query information efficiently and accurately, but also pay attention to the information of sensitivity and privacy. In medical domains, the current privacy preserving methods either use the technology of Access Control List, or need to prepare training documents for each privacy policy. However, it is a time-consuming and impractical...
Privacy is a very important issue when storing electronic medical records. According to the definition set out in the Health Insurance Portability and Accountability Act (HIPPA), the confidential section of the electronic medical record needs to be protected. Thus, a mechanism to protect the patient's privacy is needed during electronic medical record exchange and sharing. The privacy protection mechanism...
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