Forensics and Privacy-Enhancing Technologies - Logging and Collecting Evidence in Flocks
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Logging and Collecting Evidence in Flocks
Flocks is a privacy-enhancing technology (PET) used to hide the web usage patterns of employees in an organization against profiling or mere inspection by administrators and other officials. However, Flocks is intended to support the identification of senders of malicious requests by means of a legitimate forensic investigation. This paper formalizes what should be logged for an appropriate for...
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In previous work we introduced an anonymising proxy scheme — called Flocks — to be used for browsing privacy. Flocks is similar to Crowds in that each proxy randomly decides whether to forward any request it receives to the destination Web server, or whether to forward the request to another proxy. In this manner request chains are formed that hide the details of an originator of a request from...
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Privacy Enhancing Technology (PET) is the technology responsible to hide the identification of Internet users, whereas network forensics is a technology responsible to reveal the identification of Internet users who perform illegal actions through the Internet. The paper identifies the collision of these opposite-goal technologies and describes what happens in case they come across. Can a Netwo...
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We investigate a mechanism for secure remote logging to improve privacy guarantees in dynamic systems. Considering an extended threat model for privacy, we first describe outer and inner privacy: outer privacy expresses the traditional attacker model for privacy where identity management systems control the collection of personal, observable information; inner privacy denotes the threat posed b...
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The landscape of the World Wide Web with all its versatile services heavily relies on the disclosure of private user information. Service providers collecting more and more of these personal user data pose a growing privacy threat for users. Addressing user concerns privacy-enhancing technologies emerged. One goal of these technologies is to enable users to improve the control over their person...
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