This book constitutes the refereed proceedings of the 13th International Symposium on Privacy Enhancing Technologies, PET 2013, held in Bloomington, IN, USA, in July 2013.
The 13 full papers presented were carefully selected from 69
submissions. Topics addressed include data privacy, privacy-oriented
cryptography, location privacy, performance of the Tor network,
censorship evasion, traffc analysis, and user-related privacy
perspectives.

This book constitutes the refereed proceedings of the 14th International Symposium on Privacy Enhancing Technologies, PETS 2014, held in Amsterdam, The Netherlands, in July 2014.The 16 full papers presented were carefully selected from 86 submissions. Topics addressed by the papers published in these proceedings include study of privacy erosion, designs of privacy-preserving systems, censorship resistance, social networks and location privacy."