Presentations

• S-links: Why distributed security policy requires secure introduction
  Presented at W2SP, San Francisco, CA, USA, May 24 2013
• Pins, Tacks, and Slinks: Proposals for patching PKI on the web
  Presented at the Cambridge Security Seminar Series, Cambridge, UK, May 8 2013
• Scalable distribution of HTTPS security policies
  Presented at ISSNet workshop, Victoria, BC, Canada, Apr 24 2013
• Web authentication in practice
  Presented at ISR, Carnegie Mellon University, Pittsburgh, PA, USA, Feb 22 2013
• What I've learned about passwords, and why they aren't going away (video)
  Presented at Mozilla, San Francisco, CA, USA, Feb 4 2013
• Authenticating humans to computers: What I expect for the next 10 years (video)
  Presented at Center of Information Technology Policy, Princeton, NJ, USA, Nov 29 2012
• The under-utilised effectiveness of computer science in other research fields
  Presented at Gates Cambridge Idea Lab, Cambridge, UK, June 11 2012
• Guessing human-chosen secrets
  Presented at Security and Human Behavior 2012, New York, NY, USA, June 4 2012
• Of contraseñas, סיסמאות, and 密码: Character encoding issues for web passwords
  Presented at Web 2.0 Security & Privacy, San Francisco, CA, USA, May 24 2012
• The science of guessing: analyzing an anonymized corpus of 70 million passwords
  Presented at the 2012 IEEE Symposium on Security and Privacy. San Francisco, CA, USA, May 23 2012
• Guessing human-chosen secrets
  Presented at the University of Münster, Münster, Germany, May 8 2012
• Authentication in a networked world
  Presented at the Gates Scholars' Easter Term Symposium, Cambridge, UK, May 2 2012
• Big Data Lecture #2
  Presented in Part II Additional Topics, Cambridge, UK, Apr 30 2012
• Big Data Lecture #1
  Presented in Part II Additional Topics, Cambridge, UK, Apr 27 2012
• Guessing human-chosen secrets
  Presented at Microsoft Research, Redmond, WA, USA, Apr 23 2012
• Statistical metrics for individual password strength
  Presented at Twentieth International Workshop on Security Protocols, Cambridge, UK, Apr 12 2012
• Guessing human-chosen secrets
  Presented at Microsoft Research, Cambridge, UK, Apr 5 2012
• It’s Not Stealing If You Need It: A panel on the ethics of performing research using public data of illicit origin
  (with Serge Egelman, Sonia Chiasson, David Dittrich and Stuart Schechter)
  Panel discussion at WECSR '12: Workshop on Ethics in Computer Security Research, Kralendijk, Bonaire, Netherlands, Mar 2 2012
• Linguistic properties of multi-word passphrases
  Presented at USEC '12: Workshop on Usable Security., Kralendijk, Bonaire, Netherlands, Mar 2 2012
• Questions to which the answer is no (passwords edition)
  Presented at FC'12: The Sixteenth International Conference on Financial Cryptography and Data Security (rump session), Kralendijk, Bonaire, Netherlands, Feb 27 2012
• A birthday present every eleven wallets? The security of customer-chosen banking PINs
  Presented at FC'12: The Sixteenth International Conference on Financial Cryptography and Data Security, Kralendijk, Bonaire, Netherlands, Feb 27 2012
• User authentication on the web
  Guest lecture for Part II Security course, Cambridge, UK, Feb 22 2012.
• User choice of PINs and passphrases
  Presented at the Cambridge Security Seminar Series, Cambridge, UK, Jan 24 2012
• Getting web authentication right
  Presented at the Nineteenth International Workshop on Security Protocols, Cambridge, UK, Mar 28 2011.
• Authentication in the Social Web
  Presented at the Workshop on the future of social networking, Cambridge, UK, Nov 18 2010.
• Human authentication on the web
  Guest lecture for Part II Security course, Cambridge, UK, Nov 17 2010.
• Side Channel Cryptanalysis
  Presented at the Current Research Topics Lecture Series, Cambridge, UK, Nov 5 2010
• The challenges of online protest
  Presented at the 2010 Festival of Ideas, Cambridge, UK, Oct 23 2010
• Human-generated secret data
  Presented at Security and Human Behaviour 2010, Cambridge, UK, Jun 29 2010
• Cryptographic implementation attacks
  Presented in Cambridge, UK, Jun 25 2010
• Security and social networks
  Presented in Cambridge, UK, Jun 22 2010
• The challenges of online protest
  Presented at the Third Annual Global Scholars' Symposium, Cambridge, UK, Jun 12 2010
• Passwords and intimacy
  Presented at the WEIS 2010: The Ninth Workshop on the Economics of Information Security (rump session), Boston, MA, USA, Jun 8 2010
• The password thicket: technical and market failures in human authentication on the web
  Presented at the WEIS 2010: The Ninth Workshop on the Economics of Information Security, Boston, MA, USA, Jun 7 2010 (paper)
• Side Channel Cryptanalysis
  Presented at the Current Research Topics Lecture Series, Cambridge, UK, May 4 2010
• New Directions in Online Protest
  Presented at the Eighteenth International Workshop on Security Protocols, Cambridge, UK, Mar 24 2010
• Internet Censorship and Resistance
  Presented at the Gates Scholars' Lent Symposium 2010, Cambridge, UK, Feb 2 2010
• New Directions in Online Protest
  Presented at FC'10: The Fourteenth International Conference on Financial Cryptography and Data Security (rump session), Tenerife, Spain, Jan 26 2010
• What's in a Name? Evaluating Statistical Attacks on Personal Knowledge Questions
  Presented at FC'10: The Fourteenth International Conference on Financial Cryptography and Data Security , Tenerife, Spain, Jan 26 2010 (paper)
• Statistical Attacks on Personal Knowledge Questions
  Presented at Computer Laboratory Security Group meeting , Cambridge, UK, Jan 22 2010
• Security and Privacy in Social Networks
  Presented to the EFF, San Francisco, CA, USA, Dec 21 2009.
• Security and Personal Knowledge
  Presented to security research group, University of Hertfordshire, Hatfield, UK, Dec 2 2009
• Security and Social Networks
  Guest Lecture for Part II Security course, Cambridge, UK, Nov 23 2009
• Security and Social Networks
  Presented SPION Workshop, Leuven, Belgium, Katholieke Universiteit Leuven, Belgium, Nov 5 2009
• Security and Personal Knowledge
  Presented to COSIC research group, Katholieke Universiteit Leuven, Belgium, Nov 4 2009
• Security and Social Networks
  Presented in Cambridge, UK, Sep 7 2009
• Prying Data out of a Social Network (talk cancelled, slides only)
  Presented at ASONAM 2009: The 2009 International Conference on Social Network Analysis and Mining, Athens, Greece, Jul 20 2009 (paper)
• Privacy Suites: Shared Privacy For Social Networks (poster)
  Presented at SOUPS 2009: The Fifth Symposium On Usable Privacy and Security, Mountain View, CA, USA, Jul 15 2009 (abstract)
• Privacy Aspects of Social Graphs
  Presented at Stanford Security Seminar, Stanford, CA, USA, Jul 14 2009
• Facebook vs. Privacy Fundamentalists: A Roadmap For Peace
  Presented at Facebook headquarters, Palo Alto, CA, USA, Jul 14 2009
• Can Privacy Be Viral?
  Presented at WEIS 2009: The Eighth Workshop on the Economics of Information Security (rump session), London, UK, Jun 25 2009
• The Privacy Jungle: On the Market for Privacy in Social Networks
  Presented at the WEIS 2009: The Eighth Workshop on the Economics of Information Security, London, UK, Jun 24 2009 (paper)
• Security and Social Context
  Presented at the 2009 Workshop on Security and Human Behaviour, Cambridge, MA, USA, Jun 12 2009
• Internet Censorship and Resistance
  Presented at the 2009 Churchill Conference on Everything, Churchill College, Cambridge, UK, May 15 2009
• Unique Security Challenges for Online Social Networks (Invited Talk)
  Presented at FORWARD 2009: The Second ICT-FORWARD Workshop, Saint-Jean-Cap-Ferrat, France, May 4 2009 (talk abstract)
• Alice and Bob in Love: Cryptographic Communication Using Natural Entropy
  Presented at the Seventeenth International Workshop on Security Protocols 2009, Cambridge, UK, Apr 2 2009 (paper)
• Eight Friends are Enough: Social Graph Approximation via Public Listings
  Presented at SocialNets 2009: The Second ACM Workshop on Social Network Systems, Nurembeg, Germany, Mar 31 2009 (paper)
• Privacy Implications of Public Listings on Social Networks
  Presented at the Cambridge Security Seminar Series, Cambridge, UK, Mar 24 2009 (paper)
• Privacy Implications of Social Networks
  Presented at the Gates Scholars' Lent Symposium 2009, Cambridge, UK, Mar 1 2009