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Shujun Li

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When will passwords die? Research challenges and opportunities in user authen...
59 slides181 views
Human Factors in Cyber Security: User authentication as a use case
98 slides2.4K views
Human/User-Centric Security
44 slides841 views
When Discrete Optimization Meets Multimedia Security (and Beyond)
59 slides443 views
From Digital Watermarking to Multimedia Forensics: How can they help to dete...
29 slides589 views
Usable Security: When Security Meets Usability
73 slides2.8K views
From Captchas to Captchæckers: Can we automate usability and security evalua...
46 slides458 views
Observer-Resistant Password Systems: How hard to make them both usable and se...
42 slides733 views