Passwords in use in a university timesharing environment

Improving password security and memorability to protect personal and organizational information

International Journal of Human-Computer Studies

Effectiveness of image-based mnemonic techniques for enhancing the memorability and security of user-generated passwords

Computers in Human Behavior

Passwords and perceptions

AISC '09 Proceedings of the Seventh Australasian Conference on Information Security - Volume 98

You only live twice or "the years we wasted caring about shoulder-surfing"

BCS-HCI '12 Proceedings of the 26th Annual BCS Interaction Specialist Group Conference on People and Computers