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Search Publications by: Kristen K. Greene (Fed)

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Displaying 51 - 75 of 106

No Phishing beyond This Point

June 27, 2018
Author(s)
Kristen Greene, Michelle P. Steves, Mary F. Theofanos
As phishing continues to evolve, what is your organization doing to stay off the hook?

Towards Developing Standardized Usability Evaluation Methodology for Public Safety Communications Technology: A User-Centered Approach

June 14, 2018
Author(s)
Kristen Greene, Shanee T. Dawkins, Yee-Yin Choong, Mary F. Theofanos, Sandra S. Prettyman, Susanne M. Furman, Michelle P. Steves
In public safety and homeland security, it is critical to understand technology users’ primary goals, the characteristics of the users, and the context in which they are operating. New and emerging technologies present opportunities and challenges for

Digital Identity Guidelines: Enrollment and Identity Proofing Requirements [including updates as of 12-01-2017]

December 1, 2017
Author(s)
Paul A. Grassi, Naomi B. Lefkovitz, James L. Fenton, Jamie M. Danker, Yee-Yin Choong, Kristen Greene, Mary F. Theofanos
These guidelines provide technical requirements for federal agencies implementing digital identity services and are not intended to constrain the development or use of standards outside of this purpose. This guideline focuses on the enrollment and

Exploratory Lens Model of Decision-Making in a Potential Phishing Attack Scenario

October 10, 2017
Author(s)
Franklin Tamborello, Kristen K. Greene
Phishing, the transmission of a message spoofing a legitimate sender about a legitimate subject with intent to perform malicious activity, causes a tremendous and rapidly-increasing amount of damage to American information systems and users annually. This

Digital Identity Guidelines: Authentication and Lifecycle Management

June 22, 2017
Author(s)
Paul A. Grassi, Elaine M. Newton, Ray A. Perlner, Andrew R. Regenscheid, William E. Burr, Justin P. Richer, Naomi B. Lefkovitz, Jamie M. Danker, Yee-Yin Choong, Kristen Greene, Mary F. Theofanos
These guidelines provide technical requirements for federal agencies implementing digital identity services and are not intended to constrain the development or use of standards outside of this purpose. These guidelines focus on the authentication of

Digital Identity Guidelines: Enrollment and Identity Proofing Requirements

June 22, 2017
Author(s)
Paul A. Grassi, James L. Fenton, Naomi B. Lefkovitz, Jamie M. Danker, Yee-Yin Choong, Kristen Greene, Mary F. Theofanos
These guidelines provide technical requirements for federal agencies implementing digital identity services and are not intended to constrain the development or use of standards outside of this purpose. This guideline focuses on the enrollment and

Digital Identity Guidelines: Federation and Assertions

June 22, 2017
Author(s)
Paul A. Grassi, Ellen M. Nadeau, Justin P. Richer, Sarah K. Squire, James L. Fenton, Naomi Lefkovitz, Jamie M. Danker, Yee-Yin Choong, Kristen K. Greene
This document and its companion documents, SP 800-63, SP 800-63A, and SP 800-63B, provide technical and procedural guidelines to agencies for the implementation of federated identity systems and for assertions used by federations. This publication

Memory and Motor Processes of Password Entry Error

December 19, 2016
Author(s)
Frank Tamborello, Kristen K. Greene
Passwords are tightly interwoven with the digital fabric of our current society. Unfortunately, passwords that provide better security generally tend to be more complex, both in length and composition. Complex passwords are problematic both cognitively and

Usability and Security Considerations for Public Safety Mobile Authentication

July 27, 2016
Author(s)
Yee-Yin Choong, Joshua M. Franklin, Kristen Greene
There is a need for cybersecurity capabilities and features to protect the Nationwide Public Safety Broadband Network (NPSBN). However, cybersecurity requirements should not compromise the ability of first responders to complete their missions. In addition

Measuring the Usability and Security of Permuted Passwords on Mobile Platforms

April 25, 2016
Author(s)
Kristen K. Greene, John M. Kelsey, Joshua M. Franklin
Password entry on mobile devices significantly impacts both usability and security, but there is a lack of usable security research in this area, specifically for complex password entry. To address this research gap, we set out to assign strength metrics