Cued Mnemonics for Better Security and Memorability Primal - PowerPoint PPT Presentation

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Cued Mnemonics for Better Security and Memorability Primal Wijesekera , Ivan Cherapau, Ayumi Samarakoon, Konstantin Beznosov Laboratory for Education and Research in Secure Systems Engineering ( LERSSE) University of British Columbia Passwords

Cued Mnemonics for Better Security and Memorability Primal Wijesekera , Ivan Cherapau, Ayumi Samarakoon, Konstantin Beznosov Laboratory for Education and Research in Secure Systems Engineering ( LERSSE) University of British Columbia
Passwords … things we all know
Mnemonics Chosen Phrase Password ● Generation Effect ● Memorability ● Security ● Future Vulnerability
Question time hhelibebocnofnenamgalsipsclarkca
Question time hhelibebocnofnenamgalsipsclarkca H He Li Be Bo C N O F Ne Na Mg Al Si P S Cl Ar K Ca
Question time hhelibebocnofnenamgalsipsclarkca H He Li Be Bo C N O F Ne Na Mg Al Si P S Cl Ar K Ca
Mnemonics in Chemistry ● Tens of Mnemonics are used in memorizing different aspects, rules, components in Chemistry. ● From RANDOM set of characters to a cued phrase. Something to learn from Chemists ...
We propose ... ● Reversing the Mnemonic process. ● Generate a random password. ○ System generated complying to the policies. ● Generate a “Cued” phrase ○ Self Reference effect ○ Episodic Memory
Example Password: pa-3mp1y(TNB)
Example Password: pa-3mp1y(TNB) User’s interest: Running
Example Password: pa-3mp1y(TNB) User’s interest: Running Phrase: personal achievement - 3 marathons per 1 year (Tokyo, New York, Boston)
The Reverse Process ● Phrase is more personally related … ○ Self reference effect ○ Trigger for autobiographical episodes ■ Episodic memory ● Can accommodate generation effect ...
Phrase Generation ● Information Gathering ○ Questionnaire before password creation. ○ Traverse public information - Social Networks, Blogs ○ Eventual knowledge base ● Generation ○ Semantics - to find words. ○ NLP - to generate a meaningful sentence.
Questions
Fantastic Four Primal Ivan Ayumi Kosta http://lersse.ece.ubc.ca/ Laboratory for Education and Research in Secure Systems Engineering ( LERSSE) University of British Columbia

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