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2. Smudge attacks on smartphone touch screens;Aviv,2010
3. The science of guessing: analyzing an anonymized corpus of 70 Million passwords;Bonneau,2012
4. A second look at the usability of click-based graphical passwords;Chiasson,2007
5. Persuasive cued click-points: design, implementation, and evaluation of a knowledge-based authentication mechanism;Chiasson;IEEE Trans. Dependable Secure Comput.,2012