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Displaying 101 - 125 of 210

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

Security Fatigue

October 1, 2016
Author(s)
Brian C. Stanton, Sandra S. Prettyman, Mary F. Theofanos, Susanne M. Furman

Framework for Cloud Usability

August 2, 2015
Author(s)
Brian C. Stanton, Mary F. Theofanos, Karun P. Joshi
Organizations are increasingly adopting cloud-based services to meet their business needs. However, due to the complexity and diversity of cloud systems it is important to evaluate the user experience using within a framework that encompasses the

Password policy languages: usable translation from the informal to the formal

July 21, 2015
Author(s)
Michelle P. Steves, Mary F. Theofanos, Celia Paulsen, Athos Ribeiro
Password policies – documents which regulate how users must create, manage, and change their passwords – can have complex and unforeseen consequences on organizational security. Since these policies regulate user behavior, users must be clear as to what is

Privacy and Security in the Brave New World: The Use of Multiple Mental Models

July 21, 2015
Author(s)
Susanne M. Furman, Mary F. Theofanos, Brian C. Stanton, Sandra S. Prettyman
We live in a world where the flow of electronic information and communication has become a ubiquitous part of our everyday life. While our lives are enhanced in many ways, we also experience a myriad of challenges especially to our priva-cy and security

A Measurement Metric for Forensic Latent Fingerprint Preprocessing

July 31, 2014
Author(s)
Haiying Guan, Andrew Dienstfrey, Mary Frances Theofanos, Brian Stanton
Although fingerprint mark-up and identification are well-studied fields, forensic fingerprint image preprocessing is still a relatively new domain in need of further scientific study and development of guidance of best practice. Latent fingerprint image

Preserving Privacy – More Than Reading a Message

June 27, 2014
Author(s)
Susanne M. Furman, Mary F. Theofanos
Social media has become a mainstream activity where people share all kinds of personal and intimate details about their lives. These social networking sites (SNS) allow users to conveniently authenticate to the third party website by using their SNS

Development of a Scale to Assess the Linguistic and Phonological Difficulty of Passwords

June 22, 2014
Author(s)
Jennifer R. Bergstrom, Stefan A. Frisch, David C. Hawkins, Joy Hackenbracht, Kristen K. Greene, Mary Theofanos, Brian Griepentrog
Increasingly, institutions are requiring or recommending that their employees use secure, system-generated passwords. It is not clear how well linguistic and phonological language properties map onto complex, randomly-generated passwords. Passwords