Research Publications & Presentations

Topics:

• Authentication
• Cryptography
• Cybersecurity Adoption and Awareness
• Internet of Things
• Methodologies
• Phishing
• Privacy
• Usable Security (general)
• User Perceptions & Behaviors
• Youth Security

Legend: Papers    Presentations    Videos     Research Posters 

Authentication 

Authentication Diary Study

Report: Authentication Diary Study  – Michelle P. Steves & Mary F. Theofanos. NISTIR 7983 (2014)

Digital Identity Guidelines

Digital Identity Guidelines: Enrollment and Identity Proofing Requirements  – Paul Grassi, James Fenton, Naomi Lefkovitz, Jamie Danker, Yee-Yin Choong, Kristen Greene, & Mary Theofanos. SP 800-63A (2017)

Digital Identity Guidelines: Authentication and Lifecycle Management  – Paul Grassi, Elaine Newton, Ray Perliner, Andrew Regenscheid, James Fenton, William Burr, Justin Richter, Naomi Lefkovitz, Jamie Danker, Yee-Yin Choong, Kristen Greene, & Mary Theofanos. SP 800-63B (2017)

Digital Identity Guidelines: Federation and Assertions  – Paul Grassi, Ellen Nadeau, Justin Richer, Sarah Squire, James Fenton, Naomi Lefkovitz, Jamie Danker, Yee-Yin Choong, Kristen Greene, & Mary Theofanos. SP 800-63C (2017)

Memory and Motor

Memory and Motor Processes of Password Entry Error  - Frank Tamborello & Kristen Greene. Proceedings of the Human Factors and Ergonomics Society Annual Meeting (2016)

Password Entry Errors: Memory or Motor?   - Kristen Greene & Frank Tamborello. Proceedings of the 13th International Conference on Cognitive Modeling (2015)

ACT-R Modeling of Password Entry Errors  - Kristen Greene & Franklin Tamborello. Proceedings of the 24th Conference on Behavior Representation in Modeling and Simulation (2015)

Electrodermal Activity and Eye Movements Inform the Usability of Passwords  - Jennifer R. Bergstrom, Kristen Greene, David C. Hawkins, & Christian Gonzalez. Proceedings of the 44th Annual Meeting of the Society for Neuroscience (2014)

Mobile Authentication

Usability and Security Considerations for Public Safety Mobile Authentication  - Yee-Yin Choong, Joshua M. Franklin, & Kristen Greene. NISTIR 8080 (2016)

Measuring the Usability and Security of Permuted Passwords on Mobile Platforms  - Kristen Greene, John M. Kelsey, & Joshua M. Franklin. NISTIR 8040 (2016)

Tap On, Tap Off: Onscreen Keyboards and Mobile Password Entry   - Kristen Greene, Joshua M. Franklin, & John M. Kelsey. Proceedings of ShmooCon (2015)

I Can't Type That! P@$$w0rd Entry on Mobile Devices  - Kristen Greene, Melissa A. Gallagher, Brian C. Stanton, & Paul Y. Lee. Proceedings of HCI International (2014)

Multi-factor Authentication

Usability of PIV Smartcards for Logical Access  - Mary F. Theofanos, Emile L. Morse, Hannah Wald, Yee-Yin Choong, Celeste Paul, & Aiping L. Zhang. NISTIR 7867 (2012)

A Field Study of User Behavior and Perception in Smartcard Authentication   - Emile L. Morse, Celeste L. Paul, Aiping L. Zhang, Yee-Yin Choong, & Mary F. Theofanos. Proceedings of the 13^th IFIP TC13 Conference on Human-Computer Interaction (INTERACT) (2011)

PIV Pilot Usability Lessons Learned  – Mary Theofanos (Nov 8, 2010)

Password Creation and Use

Must I, can I? I don’t understand your ambiguous password rules   – Kristen K. Greene & Yee-Yin Choong. Information and Computer Security (2017)

Secure and Usable Enterprise Authentication: Lessons from the Field  - Mary F. Theofanos, Simson L. Garfinkel, & Yee-Yin Choong. IEEE Security & Privacy (2016)

What's a Special Character Anyway? Effects of Ambiguous Terminology in Password Rules   - Yee-Yin Choong & Kristen Greene. Proceedings of the Human Factors and Ergonomics Society Annual Meeting (2016)

Password Usability  - Yee-Yin Choong (Oct 23, 2015)

Employee Password Usability Study  - Yee-Yin Choong (Sep 10, 2015)

What 4,500+ people can tell you – Employees' Attitudes toward Organizational Password Policy Do Matter   - Yee-Yin Choong & Mary F. Theofanos. Proceedings of the 3^rd International Conference on Human Aspects of Information Security, Privacy, and Trust (2015)

Effects of Password Permutation on Subjective Usability Across Platforms   - Kristen Greene. Proceedings of HCI International (2015)

Human Generated Passwords - The Impacts of Password Requirements and Presentation Styles   - Paul Y. Lee & Yee-Yin Choong. Proceedings of HCI International (2015)

The Authentication Equation: A Tool to Visualize the Convergence of Security and Usability of Text-Based Passwords   - Cathryn A. Ploehn & Kristen Greene Proceedings of HCI International (2015)

Development of a Scale to Assess the Linguistic and Phonological Difficulty of Passwords  - Jennifer R. Bergstrom, Stefan A. Frisch, David C. Hawkins, Joy Hackenbracht, Kristen Greene, Mary F. Theofanos, & Brian Griepentrog. Proceedings of the 6^th International Conference on Cross-Cultural Design (2014)

United States Federal Employees' Password Management Behaviors   – A Department of Commerce Case Study - Yee-Yin Choong, Mary F. Theofanos, & Hung-Kung Liu. NISTIR 7991 (2014)

Character Strings, Memory and Passwords: What a Recall Study Can Tell Us   - Brian C. Stanton & Kristen K. Greene. Proceedings of the International Conference on Human Aspects of Information Security, Privacy, and Trust (HAS) (2014)

A Cognitive-Behavioral Framework of User Password Management Lifecycle   – Yee-Yin Choong. Proceedings of HCI International (2014)

Password Policy Analysis

Password Policy Languages: Usable Translation from the Informal to the Formal  – Michelle Steves, Mary Theofanos, Celia Paulsen, & Athos Ribeiro. Proceedings of the International Conference on Human Aspects of Information Security, Privacy, and Trust (2015)

Clear, Unambiguous Password Policies: An Oxymoron?   – Michelle Steves, Kevin Killourhy, & Mary F. Theofanos Proceedings of the 6^th International Conference on Cross-Cultural Design (2014)

Taxonomic Rules for Password Policies: Translating the Informal to the Formal Language  - Kevin Killourhy, Yee-Yin Choong, & Mary Theofanos. NISTIR 7970 (2013)

Usability Research in Support Of Cyber-Security: A Password Policy Taxonomy  – Kevin Killourhy (May 7, 2008)

 

Youth Passwords - see Youth Security

 

Cryptography

Organizational Cryptographic Product Development

Organizational Views of NIST Cryptographic Standards and Testing and Validation Programs   – Julie Haney, Mary Theofanos, Yasemin Acar, & Sandra S. Prettyman. NISTIR 8241 (2018)

"We make it a big deal in the company": Security Mindsets in Organizations that Develop Cryptographic Products   - Julie M. Haney,  Mary F. Theofanos, Yasemin Acar & Sandra S. Prettyman. Proceedings of the Symposium on Usable Privacy and Security (SOUPS) (2018). 

Organizational Practices in Cryptographic Development and Testing   - Julie M. Haney, Simson L. Garfinkel, & Mary F. Theofanos. Proceedings of the IEEE Conference on Communications and Network Security (CNS) (2017). 

Usable Key Management

Usability and Key Management  – Mary Theofanos (Jun 8, 2009)

 

Cybersecurity Adoption and Awareness

Exploring Government Security Awareness Programs: A Mixed Methods Approach  - Jody L. Jacobs, Julie M. Haney, Susanne M. Furman, & Fern Barrientos. Workshop on Security Information Workers and poster session at Symposium on Usable Privacy and Security (2021). 

Cybersecurity Advocates: Force Multipliers in Security Behavior Change  - Julie Haney, Wayne Lutters, & Jody Jacobs. IEEE Security and Privacy (2021).

Cybersecurity Advocates: Discovering the Characteristics and Skills for an Emergent Role  - Julie M. Haney & Wayne Lutters. Information and Computer Security (2021).

Security Awareness Training for the Workforce: Moving Beyond "Check-the-box" Compliance  - Julie M. Haney & Wayne Lutters. Computer (2020).

Security Awareness in Action: A Case Study [extended abstract] - Julie M. Haney & Wayne G. Lutters. 5th Workshop on Security Information Workers (WSIW) at the Symposium on Usable Privacy and Security (SOUPS) (2019).

Motivating Cybersecurity Advocates: Implications for Recruitment and Retention  - Julie M. Haney & Wayne G. Lutters.  ACM SIGMIS Computers & Personnel Research (2019)

"It's Scary...It's Confusing...It's Dull": How Cybersecurity Advocates Overcome Negative Perceptions of Security [presentation]  - Julie Haney. Presented at FISSEA Conference (June 27, 2019)

 

Internet of Things

Perceptions of Smart Home Privacy and Security Responsibility, Concerns, and Mitigations - Julie Haney, Susanne Furman, Yasemin Acar, & Mary Theofanos. Extended abstract from poster presented at Symposium on Usable Privacy and Security (SOUPS) (2019).

 

Methodologies

The Power of Qualitative Methods: Aha Moments in Exploring Cybersecurity and Trust   - Brian C. Stanton, Mary F. Theofanos, Susanne M. Furman, & Sandra S. Prettyman. User Experience Magazine (2016)

 

Phishing

Phishing Behaviors

No Phishing Beyond This Point   - Kristen Greene, Michelle Steves, & Mary Theofanos. IEEE Computer (2018)

You've Been Phished  (2018)

ISPAB presentation - User Context: An Explanatory Variable in Phishing Susceptibility - Kristen Greene, Michelle Steves, & Mary Theofanos. (June 21, 2018)

User Context: An Explanatory Variable in Phishing Susceptibility   – Kristen K. Greene, Michelle P. Steves, Mary F. Theofanos, & Jennifer Kostick. Proceedings of the Workshop on Usable Security (USEC) at the Network and Distributed Systems Security (NDSS) Symposium (2018)

Phishing Models

 Scaling the Phish: Advancing the NIST Phish Scale  - Fernando Barrientos, Jody Jacobs, & Shaneé Dawkins. Poster session at International Conference on Human-Computer Interaction (HCII) (2021).

The Phish Scale: NIST-Developed Method Helps IT Staff See Why Users Click on Fraudulent Emails (media article) (2020)

The New NIST Phish Scale, Revealing Why End Users Click   - Shaneé Dawkins, Kristen Greene, & Jody Jacobs. Presented at SecureWorld Expo (2020)

Categorizing Human Phishing Difficulty: A Phish Scale  - Michelle P. Steves, Kristen K. Greene, & Mary F. Theofanos. Journal of Cybersecurity (2020)

Introducing Phish Scale  (2020)

A Phish Scale: Rating Human Phishing Message Detection Difficulty  - Michelle P. Steves, Kristen K. Greene, & Mary F. Theofanos. Proceedings of the Workshop on Usable Security (USEC) at the Network and Distributed Systems Security (NDSS) Symposium (2019)

Exploratory Lens Model of Decision-Making in Potential Phishing Attack Scenario  - Franklin Tamborello & Kristen Greene. NISTIR 8194 (2017)

 

Privacy

Differential Privacy  (2018)

Non-breach Privacy Events  - Simson L Garfinkel & Mary Theofanos. IEEE Security & Privacy (2018)

Preserving Privacy – More Than Reading a Message  - Susanne M. Furman & Mary F. Theofanos. Proceedings of the International Conference on Universal Access in Human-Computer Interaction (2014)

 

Usable Security (general)

Is Usable Security an Oxymoron?  - Mary Theofanos. IEEE Computer (2020).

Shouldn't All Security Be Usable?   - Mary Frances Theofanos & Shari Lawrence Pfleeger. IEEE Security & Privacy (2011)

ISPAB Panel on Usable Security  – Mary Theofanos & Ellen Kowalczyk (Oct 29, 2010)

Usability Research in Support of Cybersecurity  – Mary Theofanos (May 7, 2008)

Poor Usability: The Inherent Insider Threat   – Mary Theofanos (Mar 21, 2008)

 

User Perceptions & Behaviors

Pandemic Parallels: What can cybersecurity learn from COVID?  - Steven Furnell, Julie Haney, & Mary Theofanos. IEEE Computer (2021)

Be Prepared: How US Government Experts Think About Cybersecurity   - Mary F. Theofanos, Brian C. Stanton, Sandra S. Prettyman, Susanne M. Furman, & Simson L. Garfinkel. Proceedings of the Workshop on Usable Security (USEC) at the Network and Distributed Systems Security (NDSS) Symposium (2017)

Security Fatigue   - Brian C. Stanton, Sandra S. Prettyman, Mary F. Theofanos, & Susanne M. Furman. IT Professional (2016)

Cybersecurity Fatigue  (2016)

Privacy and Security in the Brave New World: The Use of Multiple Mental Models   - Susanne M. Furman, Mary F. Theofanos, Brian C. Stanton, & Sandra S. Prettyman. Proceedings of HCI International (2015)

Basing Cybersecurity Training on User Perceptions   - Susanne M. Furman, Mary Frances Theofanos, Yee-Yin Choong, & Brian Stanton. IEEE Security & Privacy (2012)

 

Youth Security

"Passwords Keep Me Safe" – Understanding What Children Think about Passwords  - Mary Theofanos, Yee-Yin Choong, & Olivia Murphy. USENIX Security Symposium  (2021)

“Passwords protect my stuff”— A Study of Children’s Password Practices - Yee-Yin Choong, Mary F. Theofanos, Karen Renaud, & Suzanne Prior. Journal of Cybersecurity (December 2019)

Case Study – Exploring Children’s Password Knowledge and Practices  - Yee-Yin Choong, Mary F. Theofanos, Karen Renaud, & Suzanne Prior. Proceedings of the Workshop on Usable Security (USEC) at the Network and Distributed Systems Security (NDSS) Symposium (2019)