Usability inspection methods
The cognitive walkthrough method: a practitioner's guide
Usability inspection methods
Untraceable electronic mail, return addresses, and digital pseudonyms
Communications of the ACM
An investigation of geographic mapping techniques for internet hosts
Proceedings of the 2001 conference on Applications, technologies, architectures, and protocols for computer communications
Low-Cost Traffic Analysis of Tor
SP '05 Proceedings of the 2005 IEEE Symposium on Security and Privacy
Tor: the second-generation onion router
SSYM'04 Proceedings of the 13th conference on USENIX Security Symposium - Volume 13
Why Johnny can't encrypt: a usability evaluation of PGP 5.0
SSYM'99 Proceedings of the 8th conference on USENIX Security Symposium - Volume 8
A usability study and critique of two password managers
USENIX-SS'06 Proceedings of the 15th conference on USENIX Security Symposium - Volume 15
On anonymity in an electronic society: A survey of anonymous communication systems
ACM Computing Surveys (CSUR)
Facilitating the Adoption of Tor by Focusing on a Promising Target Group
NordSec '09 Proceedings of the 14th Nordic Conference on Secure IT Systems: Identity and Privacy in the Internet Age
The market failure of anonymity services
WISTP'10 Proceedings of the 4th IFIP WG 11.2 international conference on Information Security Theory and Practices: security and Privacy of Pervasive Systems and Smart Devices
Review: A survey on solutions and main free tools for privacy enhancing Web communications
Journal of Network and Computer Applications
Risk communication design: video vs. text
PETS'12 Proceedings of the 12th international conference on Privacy Enhancing Technologies
Dissent in numbers: making strong anonymity scale
OSDI'12 Proceedings of the 10th USENIX conference on Operating Systems Design and Implementation
Privacy protection in personalized web search: a peer group-based approach
SBP'13 Proceedings of the 6th international conference on Social Computing, Behavioral-Cultural Modeling and Prediction
Spread Identity: A new dynamic address remapping mechanism for anonymity and DDoS defense
Journal of Computer Security
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Tor is a popular privacy tool designed to help achieve online anonymity by anonymising web traffic. Employing cognitive walkthrough as the primary method, this paper evaluates four competing methods of deploying Tor clients, and a number of software tools designed to be used in conjunction with Tor: Vidalia, Privoxy, Torbutton, and FoxyProxy. It also considers the standalone anonymous browser TorPark. Our results show that none of the deployment options are fully satisfactory from a usability perspective, but we offer suggestions on how to incorporate the best aspects of each tool. As a framework for our usability evaluation, we also provide a set of guidelines for Tor usability compiled and adapted from existing work on usable security and human-computer interaction.