Sciweavers

43 search results - page 1 / 9
» Password Strength: An Empirical Analysis
Sort
View
INFOCOM
2010
IEEE
13 years 9 months ago
Password Strength: An Empirical Analysis
—It is a well known fact that user-chosen passwords are somewhat predictable: by using tools such as dictionaries or probabilistic models, attackers and password recovery tools c...
Matteo Dell'Amico, Pietro Michiardi, Yves Roudier
CCS
2010
ACM
13 years 11 months ago
The security of modern password expiration: an algorithmic framework and empirical analysis
This paper presents the first large-scale study of the success of password expiration in meeting its intended purpose, namely revoking access to an account by an attacker who has ...
Yinqian Zhang, Fabian Monrose, Michael K. Reiter
CCS
2007
ACM
14 years 4 months ago
Do background images improve "draw a secret" graphical passwords?
Draw a secret (DAS) is a representative graphical password scheme. Rigorous theoretical analysis suggests that DAS supports an overall password space larger than that of the ubiqu...
Paul Dunphy, Jeff Yan
GAMESEC
2010
244views Game Theory» more  GAMESEC 2010»
13 years 8 months ago
The Password Game: Negative Externalities from Weak Password Practices
The combination of username and password is widely used as a human authentication mechanism on the Web. Despite this universal adoption and despite their long tradition, password s...
Sören Preibusch, Joseph Bonneau
GRAPHICSINTERFACE
2008
14 years 4 days ago
Order and entropy in picture passwords
Previous efforts involving picture-based passwords have not focused on maintaining a measurably high level of entropy. Since password systems usually allow user selection of passw...
Saranga Komanduri, Dugald Ralph Hutchings