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Search Publications by: Yee-Yin Choong (Fed)

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Displaying 51 - 75 of 77

Secure and usable enterprise authentication: Lessons from the Field

October 26, 2016
Author(s)
Mary F. Theofanos, Simson L. Garfinkel, Yee-Yin Choong
There are now more than 5.4 million Personal Identity Verification (PIV) and Common Access Card (CAC) identity cards deployed to US government employees and contractors. These cards are widely used to gain physical access to federal facilities, but their

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

A Cognitive-Behavioral Framework of User Password Management Lifecycle

June 22, 2014
Author(s)
Yee-Yin Choong
Passwords are the most commonly used mechanism in controlling users’ access to information systems. Little research has been established on the entire user password management lifecycle from the start of generating a password, maintaining the password

Usability of PIV Smartcards for Logical Access

June 28, 2012
Author(s)
Emile L. Morse, Mary F. Theofanos, Yee-Yin Choong, Celeste Paul, Aiping L. Zhang, Hannah Wald
This paper presents the findings of a PIV usability pilot study conducted at NIST during the summer of 2010. The study focused on factors that affected users' perceptions and adoption of PIV smartcards. Based on observation of the study participants, the

Basing Cybersecurity Training on User Perceptions

April 2, 2012
Author(s)
Susanne M. Furman, Mary F. Theofanos, Yee-Yin Choong, Brian C. Stanton
The National Initiative for Cybersecurity Education (NICE) will be conducting a nationwide awareness and outreach program to effect behavioral change. To be effective, an educational campaign must first understand users’ perceptions of computer and online

Real-time Feedback for Usable Fingerprint Systems

October 11, 2011
Author(s)
Mary F. Theofanos, Brian C. Stanton, Yee-Yin Choong, Haiying Guan
Compared with traditional password and other identification methods, biometrics like face, iris, and fingerprint for automatic personal identification/verification have many advantages, and are increasingly gaining popularity in all kinds of applications

A Field Study of User Behavior and Perception in Smartcard Authentication

September 9, 2011
Author(s)
Emile L. Morse, Celeste L. Paul, Aiping L. Zhang, Yee-Yin Choong, Mary F. Theofanos
A field study of 24 participants over 10 weeks explored user behavior and perception in a smartcard authentication system. Ethnographic methods used to collect data included diaries, surveys, interviews, and field observations. We observed a number of

Hostage Rescue Team Quick Capture Platform Use Case Document

September 30, 2009
Author(s)
Brian Stanton, Yee-Yin Choong, Mary Theofanos
The document defines functional requirements for the Quick Capture Platform (QCP). These requirements have been developed for a portable hardware device with screen size as small as 5"(W)x3"(H). Functional requirements are the definitions of specific

Quick Capture Platform Graphics

September 30, 2009
Author(s)
Brian C. Stanton, Yee-Yin Choong, Mary F. Theofanos, Patrick Hoffman
This document defines all of the graphic images for the quick capture platform. For each graphic we provide a description, the dimensions, the image, the image name, the use area and the filename containing the graphic image.

Assessing Face Overlay

August 17, 2009
Author(s)
Mary F. Theofanos, Brian C. Stanton, Charles L. Sheppard, Ross J. Micheals, Yee-Yin Choong, John W. Wydler II, Kevin C. Mangold, Michelle P. Steves, Emile L. Morse
The United States Visitor and Immigrant Status Indicator Technology's (US-VISIT) has embarked on an effort to improve the quality of facial images captured at US ports of entry. One aspect of this effort was the identification of usability and human

Symbol Representing Biometrics in Use

July 30, 2009
Author(s)
Yee-Yin Choong, Mary Theofanos, Brian Stanton
During the InterNational Committee for Information Technology Standards (INCITS) M1 task group meetings in 2008, it was recognized that there is a need for a symbol to represent that any biometrics (fingerprint, iris, photo, etc.) are in use. The symbol is

Planning User-Centered Evaluations for Interactive Information Visualizations

November 2, 2007
Author(s)
Yee-Yin Choong, Theresa O'Connell
This paper describes a user-centered methodology to evaluate innovative, complex interactive visualizations (IVs) developed for information analysis. Our research goal is to develop innovative evaluation methods and sensitive metrics to understand how
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