PPT-Why anonymity fails

Ross Anderson Cambridge University Open Data Institute 442014 Synopsis Health data are moving to the cloud causing serious tussles over safety and privacy The extension of the open data idea to healthcare is now a slowmotion train wreck. Network Fundamentals. Lecture 22: Anonymous Communications. (Wave Hi to the NSA). 2. You Are Not Anonymous. 3. Your IP address can be linked directly to you. ISPs store communications records. Usually for several years (Data Retention Laws). By . Esra. . Erdin. Introduction. Types of Anonymity Systems. TOR Overview. Working Mechanism of TOR. I2P Overview. Working Mechanism of I2P. Conclusion. Introduction. Anonymity means that the real author of a message is not known. Stevens Le Blond . David . Choffnes. . Wenxuan. Zhou. Peter . Druschel. . Hitesh . Ballani. . Paul Francis . 2. Snowden wants to communicate with Greenwald without Alexander to find out. 1 System Source Type Part Years Fails Fails /Year SCSI 10krpm 858 24 2.8% controllers 72 2 2.8% TerraServer SAN Barclay san switch 9 1 11.1% TerraServer Brick Barclay SATA 7krpm 138 10 7.2% ACM Workshop on Privacy in the Electronic Society. 4. November 2013. Henry Corrigan-Gibbs. Stanford. Bryan Ford. Yale. New Anonymity Systems Have a “Chicken-and-Egg” Problem. Few . users. Small anonymity sets. Markulf Kohlweiss. Ueli. Maurer, . Cristina . Onete, . Björn Tackmann, . and . Daniele Venturi. PETS 2013. Context: . E. ncryption and Anonymity. Public-key encryption. Short but eventful history, late 70s, 80s.. -. Ayushi Jain & . ankur. . sachdeva. Motivation. Open nature of networks and unaccountability resulting from anonymity make existing systems prone to various attack. Introduction of trust and reputation based metrics help in enhancing the reliability of anonymity networks. Jondos . in . a. Crowd. Author: Benjamin Winninger. Eavesdropping Attacks . Local Eavesdropper: An attacker who can view all communication to and from a user.. If the eavesdropper gets lucky and is listening to the sender, then the sender is exposed! Otherwise, the receiver is beyond suspicion.. Markulf Kohlweiss. Ueli. Maurer, . Cristina . Onete, . Björn Tackmann, . and . Daniele Venturi. PETS 2013. Context: . E. ncryption and Anonymity. Public-key encryption. Short but eventful history, late 70s, 80s.. CompSci. 590.03. Instructor: . Ashwin. . Machanavajjhala. 1. Lecture 3 : 590.03 Fall 12. Announcements. Project ideas are posted on the site. . You are welcome to send me (or talk to me about) your own ideas.. Networks and Distributed Systems. Anonymous . Communications. (Wave Hi to the NSA). Revised 8/21/15. 2. You Are Not Anonymous. 3. Your IP address can be linked directly to you. ISPs store communications records. https://datatracker.ietf.org/doc/draft-ietf-dhc-anonymity-profile. /. IETF 93, Prague, July 2015. 7/23/2015. DHCP Anonymity Profile -- IETF 93. 1. Prototype Implementation. Developed by Nick Grifka on test version of Windows 10 (not in the product yet). Undetectability. , . Unobservability. , Pseudonymity and Identity Management – A Consolidated Proposal for Terminology. Authors: Andreas . Pfitzmann. and . Marit. Hansen. Presented by: Murtuza Jadliwala. - . An Analysis of the Bitcoin Transaction Graph. Anil Gaihre. Yan Luo. Hang Liu. 12/15/18. University of Massachusetts Lowell. Outline. Introduction and Background. Anonymity Metrics. Macro Analysis.