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Johnathan Nightingale of Mozilla Corporation presents ideas for improving browser security user interfaces (UI). He argues that existing security UIs like padlocks are sparse, incomprehensible, and not carefully designed. He proposes five rules for good security UI: be meaningful, relevant, robust, available, and brave. As an example, he suggests replacing padlocks with "Larry", an identity indicator that clearly shows website identity and is based on standardized Extended Validation certificates. The presentation concludes by discussing additional aspects of security UI and soliciting further ideas and discussion.


































































