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EUROSYS
2011
ACM
14 years 9 months ago
Keypad: an auditing file system for theft-prone devices
This paper presents Keypad, an auditing file system for theftprone devices, such as laptops and USB sticks. Keypad provides two important properties. First, Keypad supports fine...
Roxana Geambasu, John P. John, Steven D. Gribble, ...
CCS
2010
ACM
16 years 25 days ago
Toward practical authorization-dependent user obligation systems
Many authorization system models include some notion of obligation. Little attention has been given to user obligations that depend on and affect authorizations. However, to be u...
Murillo Pontual, Omar Chowdhury, William H. Winsbo...
WMCSA
2008
IEEE
16 years 11 days ago
Making CAPTCHAs clickable
We show how to convert regular keyboard-entry CAPTCHAs into clickable CAPTCHAs. The goal of this conversion is to simplify and speed-up the entry of the CAPTCHA solution, to minim...
Richard Chow, Philippe Golle, Markus Jakobsson, Lu...
DRM
2007
Springer
16 years 5 days ago
Digital rights management: desirable, inevitable, and almost irrelevant
provides a very brief overview of some of the main points. References are given to my papers, where those points are explained in more detail, and citations are provided to the ext...
Andrew M. Odlyzko
ACSAC
2005
IEEE
15 years 11 months ago
A Nitpicker's guide to a minimal-complexity secure GUI
Malware such as Trojan Horses and spyware remain to be persistent security threats that exploit the overly complex graphical user interfaces of today’s commodity operating syste...
Norman Feske, Christian Helmuth