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CTRSA
2007
Springer
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14 years 5 months ago
Selecting Secure Passwords
We mathematically explore a model for the shortness and security for passwords that are stored in hashed form. The model is implicitly in the NIST publication [8] and is based on c...
Eric R. Verheul
CCS
2007
ACM
14 years 5 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
SP
2007
IEEE
14 years 5 months ago
The Emperor's New Security Indicators
We evaluate website authentication measures that are designed to protect users from man-in-the-middle, ‘phishing’, and other site forgery attacks. We asked 67 bank customers t...
Stuart E. Schechter, Rachna Dhamija, Andy Ozment, ...
MCETECH
2009
Springer
14 years 6 months ago
TwoStep: An Authentication Method Combining Text and Graphical Passwords
Text-based passwords alone are subject to dictionary attacks as users tend to choose weak passwords in favor of memorability, as well as phishing attacks. Many recognition-based gr...
Paul C. van Oorschot, Tao Wan