Webbrowser fingerprinting is a powerful tool to identify an Internet end-user. Previous research has shown that the information extracted from webbrowsers can uniquely identify an end-user. To collect webbrowser specific information, intentional ...

Microblogging is a very popular Internet activity that informs and entertains a large number of people via terse messages; e.g., tweets on Twitter. Even though microblogging does not emphasize privacy, authors can easily hide behind pseudonyms and ...

Privacy is a concept with real life ties and implications. Privacy infringement has the potential to lead to serious consequences for the stakeholders involved, hence researchers and organisations have developed various privacy enhancing techniques and ...

The lack of multi-party privacy management support in current mainstream Social Media infrastructures makes users unable to appropriately control to whom co-owned items are shared. Computational mechanisms that are able to merge the privacy preferences ...

Widespread use and low prices of genomic sequencing bring us into the area of personalized medicine and biostatistics of large cohorts. As the processed genomic data is highly sensitive, Privacy-Enhancing Technologies for genomic data need to be ...

Analytics companies have become an integral part of the mobile advertising industry, enabling successful user targeting via user profiles, derived from the mobile apps installed by specific users. This poses a threat to privacy of such users, when apps ...

We present a generic and automated approach to re-identifying nodes in anonymized social networks which enables novel anonymization techniques to be quickly evaluated. It uses machine learning (decision forests) to matching pairs of nodes in disparate ...

Detecting the presence and amount of private information being shared in online media is the first step towards analyzing information revealing habits of users in social networks and a useful method for researchers to study aggregate privacy behavior. ...

In a social network system, a friendship relation between two users is usually represented by an undirected link and it is visible in both users' friend lists. Such a dual visibility of a friendship link may raise privacy threats. This is because both ...

A fundamental limitation of Bitcoin and its variants is that the movement of coin between addresses can be observed by examining the public block chain. This record enables adversaries to link addresses to individuals, and to identify multiple addresses ...

Private browsing is a feature in web browsers to prevent local users from gaining information about browsing sessions. However, it is not clear how well people interpret private browsing's functionalities and what are the privacy gains from using it. ...

Website fingerprinting attacks have recently emerged as a serious threat against web browsing privacy mechanisms, such as SSL, Tor, and encrypting tunnels. Researchers have proposed numerous attacks and defenses, and the Tor project currently includes ...

Website fingerprinting attacks enable an adversary to infer which website a victim is visiting, even if the victim uses an encrypting proxy, such as Tor. Previous work has shown that all proposed defenses against website fingerprinting attacks are ...

Human mobility is highly predictable. Individuals tend to only visit a few locations with high frequency, and to move among them in a certain sequence reflecting their habits and daily routine. This predictability has to be taken into account in the ...

This volume contains the papers selected for presentation at the 13th Workshop on Privacy in the Electronic Society (WPES 2014), held in Scottsdale, Arizona, USA, on November 3, 2014, in conjunction with the ACM Conference on Computer and Communications ...