Lorrie Faith Cranor: What's wrong with your pa$$w0rd? | Summary and Q&A

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Lorrie Faith Cranor: What's wrong with your pa$$w0rd?

TL;DR

In this content, the computer science and engineering professor at Carnegie Mellon explores frustrations with passwords, conducts research on password strength, and suggests alternative approaches like passphrases and password meters.

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Questions & Answers

Q: What frustrations do people often have related to passwords?

People often feel frustrated when they have to remember a unique password for each of the numerous systems they have accounts on.

Q: Why did Carnegie Mellon change their password policy in 2009?

The university changed their password policy in 2009 because they had joined a consortium of universities that required stronger passwords with more entropy.

Q: What did the research group at Carnegie Mellon find when they analyzed password data from students, faculty, and staff?

The research group found that the new password policy was annoying, but people felt more secure with the new passwords. They also discovered that a majority of people were reusing their passwords, which is a dangerous practice.

Q: What type of passwords were found to be stronger and more usable?

The research found that long passwords were more usable and often stronger than complex passwords. It suggested that using long passwords instead of including numerous symbols and numbers could be more effective.

Q: What did the study on password meters reveal?

The study showed that most password meters were effective in helping users create stronger passwords. However, the ones that delayed positive feedback were found to be the most effective in encouraging the creation of strong passwords.

Summary & Key Takeaways

  • The speaker's research focuses on usable privacy and security, particularly in relation to passwords.

  • There is a frustration among users with the complexity and number of passwords required for different systems.

  • The researcher conducted studies to analyze password strength, usability, and the effectiveness of password meters, and found that long passwords are generally stronger and more usable than complex passwords.

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