Securing Web Applications by Blindfolding the Server

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Provided by: MIT
Topic: Security
Format: PDF
Web applications rely on servers to store and process confidential information. However, anyone who gains access to the server (e.g., an attacker, a curious administrator, or a government) can obtain all of the data stored there. This paper presents Mylar, a platform for building web applications that protects data confidentiality in the face of arbitrary server compromises. Mylar stores only encrypted data on the server, and decrypts data only in users' browsers. Simply encrypting each user's data with a user key does not suffice, and Mylar addresses three challenges in making this approach work.
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