Employing User-Created Pictures to Enhance the Recall of System- Generated Mnemonic Phrases and the Security of Passwords

摘要: User-created passwords are typically higher in usability but lower security than computer-generated passwords. This study evaluates the and of a password scheme which users assigned random corresponding mnemonic phrases. Users created images that matched phrases to cue recall at time login. Different picture creation methods (drawing, online images, combination both) control condition (no picture) were used examine effects method on memorability. Login success was measured day account after approximately one week. To measure during second session, participants also asked simulate attackers by attempting derive others’ from viewing their images. Analysis revealed pictures enhanced memorability had no effect There significant diff...