218 search results - page 24 / 44 » Privacy in Distributed Electronic Commerce |
ICEBE
2005
IEEE
15 years 3 months ago
2005
IEEE
Service-Oriented Computing (SOC) and Web Services (WS) provide a flexible computing platform for electronic business and commerce. Introducing policy-based computing to service-or...
WWW
2007
ACM
15 years 10 months ago
2007
ACM
We show that the time web sites take to respond to HTTP requests can leak private information, using two different types of attacks. The first, direct timing, directly measures re...
CHI
2005
ACM
15 years 10 months ago
2005
ACM
Cryptographically protected email has a justly deserved reputation of being difficult to use. Based on an analysis of the PEM, PGP and S/MIME standards and a survey of 470 merchan...
SOUPS
2009
ACM
15 years 4 months ago
2009
ACM
Challenge questions are an increasingly important part of mainstream authentication solutions, yet there are few published studies concerning their usability or security. This pap...
WPES
2004
ACM
15 years 3 months ago
2004
ACM
In an open environment such as the Internet, the decision to collaborate with a stranger (e.g., by granting access to a resource) is often based on the characteristics (rather tha...