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Analysis of the Security and Memorability of the Password Card

Mayer, Peter and Kunz, Alexandra and Volkamer, Melanie (2017):
Analysis of the Security and Memorability of the Password Card.
In: ACSAC 2017 Posters, Orlando, Florida, [Conference or Workshop Item]

Abstract

Choosing and remembering secure passwords poses a problem to users. The password card is a proposal intended to help users to cope with this problem. It is a paper card with a grid of random letters, numbers, and symbols, on which users choose a starting point and a walk of adjacent cells. The characters on the traversed cells form the new password. We analyze the security and memorability of passwords created this way. We find that users mostly choose predictable walks and starting points. At the same time, memorability of the passwords seems low. Thus, the password card seems to fail in helping users to choose and remember secure passwords.

Item Type: Conference or Workshop Item
Erschienen: 2017
Creators: Mayer, Peter and Kunz, Alexandra and Volkamer, Melanie
Title: Analysis of the Security and Memorability of the Password Card
Language: German
Abstract:

Choosing and remembering secure passwords poses a problem to users. The password card is a proposal intended to help users to cope with this problem. It is a paper card with a grid of random letters, numbers, and symbols, on which users choose a starting point and a walk of adjacent cells. The characters on the traversed cells form the new password. We analyze the security and memorability of passwords created this way. We find that users mostly choose predictable walks and starting points. At the same time, memorability of the passwords seems low. Thus, the password card seems to fail in helping users to choose and remember secure passwords.

Title of Book: ACSAC 2017 Posters
Divisions: 20 Department of Computer Science
20 Department of Computer Science > SECUSO - Security, Usability and Society
Event Location: Orlando, Florida
Date Deposited: 02 Dec 2017 13:18
Identification Number: TUD-CS-2017-0311
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