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A Novel Privacy Preserving Search Technique for Stego Data in Untrusted Cloud

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Title:A Novel Privacy Preserving Search Technique for Stego Data in Untrusted Cloud
Authors:Rahman, Mohammad Saidur
Khalil, Ibrahim
Yi, Xun
Gu, Tao
Keywords:Security and Privacy Challenges in Healthcare
Information Technology in Healthcare
privacy in healthcare, search over stego data, privacy preserving search, untrusted cloud, steganography
Date Issued:08 Jan 2019
Abstract:We propose the first privacy preserving search technique for stego health data in untrusted cloud in this paper. The Cloud computing is a popular technology to the healthcare providers for outsourcing health data due to flexibility and cost effectiveness. However, outsourcing health data to the cloud introduces serious privacy issues to the patient. For example, dishonest personnel of the cloud provider may disclose patient sensitive information to business organizations for some financial benefits. Using steganography, patient sensitive information is hidden within health data for privacy preservation. As a result, stego health data is generated. To the best of our knowledge, no method exists for searching a particular stego data without disclosing any information to the cloud. We propose a framework for privacy preserving search over stego health data. We systematically describe each component of the proposed framework. We conduct several experiments to evaluate the performance of the framework.
Pages/Duration:10 pages
Rights:Attribution-NonCommercial-NoDerivatives 4.0 International
Appears in Collections: Security and Privacy Challenges in Healthcare

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