Communications of the ACM
Communications of the ACM
Password Memorability and Security: Empirical Results
IEEE Security and Privacy
PassPoints: design and longitudinal evaluation of a graphical password system
International Journal of Human-Computer Studies - Special isssue: HCI research in privacy and security is critical now
International Journal of Human-Computer Studies - Special isssue: HCI research in privacy and security is critical now
The usability of passphrases for authentication: An empirical field study
International Journal of Human-Computer Studies
A large-scale study of web password habits
Proceedings of the 16th international conference on World Wide Web
Déjà Vu: a user study using images for authentication
SSYM'00 Proceedings of the 9th conference on USENIX Security Symposium - Volume 9
On user choice in graphical password schemes
SSYM'04 Proceedings of the 13th conference on USENIX Security Symposium - Volume 13
The design and analysis of graphical passwords
SSYM'99 Proceedings of the 8th conference on USENIX Security Symposium - Volume 8
Do background images improve "draw a secret" graphical passwords?
Proceedings of the 14th ACM conference on Computer and communications security
Centered discretization with application to graphical passwords (full paper)
UPSEC'08 Proceedings of the 1st Conference on Usability, Psychology, and Security
Balancing usability and security in a video CAPTCHA
Proceedings of the 5th Symposium on Usable Privacy and Security
The true cost of unusable password policies: password use in the wild
Proceedings of the SIGCHI Conference on Human Factors in Computing Systems
Testing metrics for password creation policies by attacking large sets of revealed passwords
Proceedings of the 17th ACM conference on Computer and communications security
Smudge attacks on smartphone touch screens
WOOT'10 Proceedings of the 4th USENIX conference on Offensive technologies
Exploiting predictability in click-based graphical passwords
Journal of Computer Security
Proceedings of the 2011 workshop on New security paradigms workshop
IEEE Transactions on Dependable and Secure Computing
FC'10 Proceedings of the 14th international conference on Financial Cryptography and Data Security
Graphical passwords based on robust discretization
IEEE Transactions on Information Forensics and Security
The Science of Guessing: Analyzing an Anonymized Corpus of 70 Million Passwords
SP '12 Proceedings of the 2012 IEEE Symposium on Security and Privacy
Graphical passwords: Learning from the first twelve years
ACM Computing Surveys (CSUR)
User Study, Analysis, and Usable Security of Passwords Based on Digital Objects
IEEE Transactions on Information Forensics and Security - Part 2
A Research Agenda Acknowledging the Persistence of Passwords
IEEE Security and Privacy
Security and usability challenges of moving-object CAPTCHAs: decoding codewords in motion
Security'12 Proceedings of the 21st USENIX conference on Security symposium
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We introduce a new class of authentication schemes called "video-passwords", which require the user to watch and remember parts of a given video (e.g., a sequence of scenes, movements, and/or sounds). We propose four different video-password schemes, describe their prototypes, and analyze their security. Under certain parameters, the security of some of these schemes appears to be theoretically comparable to traditional text passwords. Video-passwords provide more than potentially better security; they also present a unique opportunity for businesses to consider -- advertising through the rich multimedia used in the login task. We suggest that the adoption of new schemes, such as video-passwords may be more likely in the presence of monetary incentives provided through advertising; we also discuss some ethical issues that may arise from such incentives.