Program

Tuesday, July 20

6:45 Pre-conference reception

Humboldt University, Unter den Linden 6, 10099 Berlin
Held in conjuction with the Privacy in ITS Applications Workshop

Wednesday,  July 21

Conference location: Hotel Berlin, Berlin, Lützowplatz 17, 10785 Berlin

9:00 Opening Remarks

9:15 Session 1 (Web Privacy): Mikhail Atallah

• How Unique Is Your Web Browser?
  Peter Eckersley (Electronic Frontier Foundation)

• On the Privacy of Web Search Based On Query Obfuscation: A Case Study of TrackMeNot
  Sai Teja Peddinti (Polytechnic Institute of New York University), Nitesh Saxena (Polytechnic Institute of New York University)

• Private Information Disclosure from Web Searches
  Claude Castelluccia (INRIA, France), Emiliano De Cristofaro (University of California, Irvine, USA), Daniele Perito (INRIA, France)

10:45 Break

11:15 Invited Speaker: Wendy Seltzer

12:30 Lunch

2:15 Session 2 (DB Privacy): Paul Syverson

• Collaborative, Privacy-Preserving Data Aggregation at Scale
  Benny Applebaum (Weizmann Institute), Haakon Ringberg (Princeton), Michael J. Freedman (Princeton), Matthew Caesar (UIUC), Jennifer Rexford (Princeton)

• Privacy-preserving Queries over Relational Databases
  Femi Olumofin (University of Waterloo), Ian Goldberg (University of Waterloo)

• Achieving Efficient Query Privacy for Location Based Services
  Femi Olumofin (University of Waterloo), Piotr K. Tysowski (University of Waterloo), Ian Goldberg (University of Waterloo), Urs Hengartner (University of Waterloo)

3:45 Break

4:00 Rump Session: Tom Heydt-Benjamin

6:00 PET Award Reception

Thursday, July 22

Conference location: Hotel Berlin, Berlin, Lützowplatz 17, 10785 Berlin

9:30 Session 3 (Crypto): Nick Hopper

• Making a Nymbler Nymble using VERBS
  Ryan Henry (University of Waterloo), Kevin Henry (University of Waterloo), Ian Goldberg (University of Waterloo)

• Anonymous Webs of Trust
  Michael Backes (Saarland University MPI-SWS), Stefan Lorenz (Saarland University), Matteo Maffei (Saarland University), Kim Pecina (Saarland University)

• Taming Big Brother Ambitions: More Privacy for Secret Handshakes
  Mark Manulis (TU Darmstadt & CASED), Bertram Poettering (TU Darmstadt & CASED), Gene Tsudik (UC Irvine, USA)

11:00 Break

11:30 Session 4 (Anonymous Communications I): Shishir Nagaraja

• Preventing Active Timing Attacks in Low-Latency Anonymous Communication
  Aaron Johnson (University of Texas - Austin), Joan Feigenbaum (Yale University), Paul Syverson (Naval Research Laboratory)

• Impact of Network Topology on Anonymity and Overhead in Low-Latency Anonymity Networks
  Claudia Diaz (K.U.Leuven ESAT/COSIC), Steven J. Murdoch (Computer Laboratory, University of Cambridge), Carmela Troncoso (K.U.Leuven ESAT/COSIC)

12:30 Lunch

2:15 Session 5 (Anonymous Communications II): Aaron Johnson

• Drac: An Architecture for Anonymous Low-Volume Communications
  George Danezis (Microsoft Research Cambridge), Claudia Diaz (K.U.Leuven), Carmela Troncoso (K.U.Leuven), Ben Laurie (Google Inc.)

• Private Web Search with Malicious Adversaries
  Yehuda Lindell (Bar-Ilan University), Erez Waisbard (Bar-Ilan University)

3:15 Break

3:45 Session 6 (Social Networks): Claudia Diaz

• unFriendly: Multi-Party Privacy Risks in Social Networks
  Kurt Thomas (University of Illinois, Urbana-Champaign), Chris Grier (University of California, Berkeley), David M. Nicol (University of Illinois, Urbana-Champaign)

• The impact of unlinkability on adversarial community detection: effects and countermeasures
  Shishir Nagaraja (IIIT Delhi)

• How to share your favourite search results while preserving privacy and quality
  George Danezis (Microsoft Research), Tuomas Aura (Helsinki University of Technology), Shuo Chen (Microsoft Research), Emre Kiciman (Microsoft Research)

6:30 Conference Dinner

Friday, July 23

Conference location: Hotel Berlin, Berlin, Lützowplatz 17, 10785 Berlin

Download HotPETs 2010 Proceedings.

9:30 Opening Remarks

9:35 HotPETs Session 1: Anonymity Systems I

• On the Optimal Path Length for Tor
  Kevin Bauer (University of Colorado at Boulder), Joshua Juen (University of Illinois at Urbana-Champaign), Nikita Borisov (University of Illinois at Urbana-Champaign), Dirk Grunwald (University of Colorado at Boulder), Douglas Sicker (University of Colorado at Boulder), Damon McCoy (University of California at San Diego)

• New Directions in Scalable Anonymous Communication
  Prateek Mittal, Nikita Borisov (University of Illinois at Urbana-Champaign)

• Compromising Tor Anonymity Exploiting P2P Information Leakage
  Pere Manils, Abdelberi Chaabane, Stevens Le Blond, Mohamed Ali Kaafar, Claude Castelluccia, Arnaud Legout, Walid Dabbous (INRIA)

10:50 Break

11:15 Invited Speaker: Dr. Alexander Dix (Bio)

• Privacy built-in rather than bolted-on—a mere vision or visible use cases? [Slides]

12:30 Lunch

2:00 HotPETs Session 3: Privacy in the Real World

• Examining Privacy and Surveillance in Urban Areas: A Transportation Context
  Caitlin Cottrill (UIC)

• A Study on the Re-Identifiability of Dutch Citizens
  Matthijs R. Koot, Guido van't Noordende, Cees de Laat (University of Amsterdam)

• Certified Lies: Detecting and Defeating Government Interception Attacks Against SSL
  Christopher Soghoian (Indiana University), Sid Stamm

3:15 Break

3:30 HotPETs Session 4: Location Privacy

• Private Sharing of User Location over Online Social Networks
  Julien Freudiger, Raoul Neu, Jean-Pierre Hubaux (EPFL)

• A Unified Framework for Location Privacy
  Reza Shokri, Julien Freudiger, Jean-Pierre Hubaux (EPFL)

4:20 Break

4:40 HotPETs Session 5: Identity Management

• PseudoID: Enhancing Privacy for Federated Login
  Arkajit Dey (MIT), Stephen A. Weis (Google)

• Preliminary Thoughts on Privacy Supporting Binding of Biometrics to Credentials
  Jan Camenisch (IBM Research Zurich), Thomas Gross (IBM Research Zurich), Thomas S. Heydt-Benjamin (The Free Haven Project)

5:30 Closing Remarks

Saturday, July 24

9:30 Guided bunker tour and boat trip through historical Berlin

Invited Speakers

Dr. Alexander Dix.
Dr. Alexander Dix, LL.M. (Lond.), was elected as Commissioner for Data Protection and Freedom of Information by the Berlin State Parliament (Germany) for the first time in June 2005. Previously he had been Commissioner in the State of Brandenburg for seven years. He has 24 years of working experience in the field of data protection.

Dr. Dix is a specialist in telecommunications and media and has dealt with a number of issues regarding the cross-border protection of citizen’s privacy. He chairs the International Working Group on Data Protection in Telecommunications (“Berlin Group”) and is a member of the Art. 29 Working Party of European Data Protection Supervisory Authorities. In this Working Party he represents the Data Protection Authorities of the 16 German States (Länder).

A native of Bad Homburg, Hessen, Alexander Dix graduated from Hamburg University with a degree in law in 1975. He received a Master of Laws degree from London University after studies at the London School of Economics and Political Science in 1976 and a Doctorate in law from Hamburg University in 1984. He has published extensively on issues of data protection and freedom of information.