Matthias Fassl
Alexander Ponticello
Adrian Dabrowski
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Users face security folklore in their daily lives in the form of security advice, myths, and word-of-mouth stories. Using a VPN to access the Tor network, i.e., Tor over VPN, is an interesting example of security folklore because of its inconclusive security benefits and its occurrence in pop-culture media.
Following the Theory of Reasoned Action, we investigated the phenomenon with three studies: (1) we quantified the behavior on real-world Tor traffic and measured a prevalence of 6.23%; (2) we surveyed users' intentions and beliefs, discovering that they try to protect themselves from the Tor network or increase their general security; and (3) we analyzed online information sources, suggesting that perceived norms and ease-of-use play a significant role while behavioral beliefs about the purpose and effect are less crucial in spreading security folklore. We discuss how to communicate security advice effectively and combat security misinformation and misconceptions.
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v7cscw344aux.zip (232.8 MB)
These supplemental materials are structured according to the three study parts of the paper: (1) measurement study to quantify Tor over VPN behavior on real-world Tor traffic; (2) user survey on intentions and beliefs behind the Tor over VPN behavior; and (3) qualitative analysis of the background information sources on Tor over VPN. The contained filetypes are: * .txt for lists of IP addresses * .pdf for the codebooks, questionnaires, and corpus material * .py program code for the VPN evaluation script * .zip files that contains a privcount-patched Tor version and a modified PrivCount version
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- Investigating Security Folklore: A Case Study on the Tor over VPN Phenomenon
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