SOUPS
2009
ACM
14 years 2 months ago
2009
ACM
This paper investigate security of graphical authentication tokens against educated guess attacks. Results of two user studies indicate that, if we use original photos as authenti...
SOUPS
2009
ACM
14 years 2 months ago
2009
ACM
Abstract: Today, most Internet applications still establish user authentication with traditional text based passwords. Designing a secure as well as a user-friendly password-based ...
SOUPS
2009
ACM
14 years 2 months ago
2009
ACM
Developments in ubiquitous and pervasive computing herald a future in which computation is embedded into our daily lives. Such a vision raises important questions about how people...
SOUPS
2009
ACM
14 years 2 months ago
2009
ACM
SOUPS
2009
ACM
14 years 2 months ago
2009
ACM
The ASIRRA CAPTCHA [6], recently proposed at ACM CCS 2007, relies on the problem of distinguishing images of cats and dogs (a task that humans are very good at). The security of AS...
SOUPS
2009
ACM
14 years 2 months ago
2009
ACM
Initiating and bootstrapping secure, yet low-cost, ad-hoc transactions is an important challenge that needs to be overcome if the promise of mobile and pervasive computing is to b...
SOUPS
2009
ACM
14 years 2 months ago
2009
ACM
SOUPS
2009
ACM
14 years 2 months ago
2009
ACM
We introduce the notion of a conditioned-safe ceremony. A “ceremony” is similar to the conventional notion of a protocol, except that a ceremony explicitly includes human part...
SOUPS
2009
ACM
14 years 2 months ago
2009
ACM
SOUPS
2009
ACM
14 years 2 months ago
2009
ACM
Feedback is viewed as an essential element of ubiquitous computing systems in the HCI literature for helping people manage their privacy. However, the success of online social net...