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- Patrick Gage Kelley, Saranga Komanduri, +6 authors Julio Lopez
- 2012 IEEE Symposium on Security and Privacy
- 2012
Text-based passwords remain the dominant authentication method in computer systems, despite significant advancement in attackers' capabilities to perform password cracking. In response to this… (More)
We investigate regrets associated with users' posts on a popular social networking site. Our findings are based on a series of interviews, user diaries, and online surveys involving 569 American… (More)
- Saranga Komanduri, Richard Shay, +5 authors Serge Egelman
- CHI
- 2011
Text-based passwords are the most common mechanism for authenticating humans to computer systems. To prevent users from picking passwords that are too easy for an adversary to guess, system… (More)
- Richard Shay, Saranga Komanduri, +5 authors Lorrie Faith Cranor
- SOUPS
- 2010
Text-based passwords are still the most commonly used authentication mechanism in information systems. We took advantage of a unique opportunity presented by a significant change in the Carnegie… (More)
- Michelle L. Mazurek, Saranga Komanduri, +6 authors Blase Ur
- ACM Conference on Computer and Communications…
- 2013
Despite considerable research on passwords, empirical studies of password strength have been limited by lack of access to plaintext passwords, small data sets, and password sets specifically… (More)
- Richard Shay, Patrick Gage Kelley, +6 authors Lorrie Faith Cranor
- SOUPS
- 2012
Users tend to create passwords that are easy to guess, while system-assigned passwords tend to be hard to remember. Passphrases, space-delimited sets of natural language words, have been suggested as… (More)
- Blase Ur, Sean M. Segreti, +7 authors Richard Shay
- USENIX Security Symposium
- 2015
Parameterized password guessability—how many guesses a particular cracking algorithm with particular training data would take to guess a password—has become a common metric of password security.… (More)
- Blase Ur, Patrick Gage Kelley, +9 authors Lorrie Faith Cranor
- USENIX Security Symposium
- 2012
To help users create stronger text-based passwords, many web sites have deployed password meters that provide visual feedback on password strength. Although these meters are in wide use, their… (More)
- William Melicher, Blase Ur, +4 authors Lorrie Faith Cranor
- USENIX Security Symposium
- 2016
Human-chosen text passwords, today’s dominant form of authentication, are vulnerable to guessing attacks. Unfortunately, existing approaches for evaluating password strength by modeling adversarial… (More)
- Richard Shay, Saranga Komanduri, +7 authors Lorrie Faith Cranor
- CHI
- 2014
To encourage strong passwords, system administrators employ password-composition policies, such as a traditional policy requiring that passwords have at least 8 characters from 4 character classes… (More)