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» Location-Aware Authentication and Access Control
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OZCHI
2006
ACM
14 years 1 months ago
Beyond security: implications for the future of federated digital identity management systems
Federated identity management is often viewed by corporations as a solution to support secure online commerce by synthesising complex and fragmented user information into a single...
Christine Satchell, Graeme G. Shanks, Steve Howard...
COMPSEC
2010
93views more  COMPSEC 2010»
13 years 6 months ago
A secure peer-to-peer backup service keeping great autonomy while under the supervision of a provider
Making backup is so cumbersome and expensive that individuals hardly ever backup their data and companies usually duplicate their data into a secondary server. This paper proposes...
Houssem Jarraya, Maryline Laurent
ICIP
1994
IEEE
14 years 9 months ago
A Digital Watermark
This paper discusses the feasibility of coding an "undetectable" digital water mark on a standard 512*512 intensity image with an 8 bit gray scale. The watermark is capa...
Ron G. van Schyndel, Andrew Z. Tirkel, C. F. Osbor...
WWW
2009
ACM
14 years 8 months ago
What's up CAPTCHA?: a CAPTCHA based on image orientation
We present a new CAPTCHA which is based on identifying an image's upright orientation. This task requires analysis of the often complex contents of an image, a task which hum...
Rich Gossweiler, Maryam Kamvar, Shumeet Baluja
CHI
2009
ACM
14 years 8 months ago
Real life challenges in access-control management
In this work we ask the question: what are the challenges of managing a physical or file system access-control policy for a large organization? To answer the question, we conducte...
Lujo Bauer, Lorrie Faith Cranor, Robert W. Reeder,...