Paper Type

Complete

Abstract

The literature shows that users struggle to generate secure passwords. This has led to systems administrators implementing password expiry policies that burden and frustrate users. This study explores the security and usability of a multilingual passphrase policy, as multilingualism has the potential to enhance security. A total of 224 participants were invited to participate in an experiment to generate and recall short passwords and multilingual passphrases. The findings of this study show that, although a multilingual passphrase policy made passphrase generation slightly more difficult, its use motivated users to generate unique memorable passphrases. Arguably, repeated use of passphrases promotes memorability and cognitive fluency. Furthermore, the multilingual passphrases in this study proved to be stronger than those reported in the literature.

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Aug 10th, 12:00 AM

Evaluating the Usability of a Multilingual Passphrase Policy

The literature shows that users struggle to generate secure passwords. This has led to systems administrators implementing password expiry policies that burden and frustrate users. This study explores the security and usability of a multilingual passphrase policy, as multilingualism has the potential to enhance security. A total of 224 participants were invited to participate in an experiment to generate and recall short passwords and multilingual passphrases. The findings of this study show that, although a multilingual passphrase policy made passphrase generation slightly more difficult, its use motivated users to generate unique memorable passphrases. Arguably, repeated use of passphrases promotes memorability and cognitive fluency. Furthermore, the multilingual passphrases in this study proved to be stronger than those reported in the literature.

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