Skip to main content
U.S. flag

An official website of the United States government

Official websites use .gov
A .gov website belongs to an official government organization in the United States.

Secure .gov websites use HTTPS
A lock ( ) or https:// means you’ve safely connected to the .gov website. Share sensitive information only on official, secure websites.

Hildegard Ferraiolo (Fed)

Computer Scientist


Hildegard Ferraiolo, C. Barker, R. Chandramouli, D. Dodson, J. Dray, Jr., T. Grance, P. Grother, W. MacGregor, T. Polk, and T. Schwarzhoff, Gold Medal Award for leadership in producing the standards, guidelines and test programs required to implement Homeland Security Presidential Directive 12., U.S. Department of Commerce, 2007.

Selected Publications


Personal Identity Verification (PIV) of Federal Employees and Contractors

Hildegard Ferraiolo, Andrew Regenscheid, Salvatore Francomacaro, David Cooper, Ketan Mehta, Annie W. Sokol, David Temoshok, Gregory Fiumara, Justin Richer, James L. Fenton, Johnathan Gloster, nabil anwer
FIPS 201 establishes a standard for a Personal Identity Verification (PIV) system (Standard) that meets the control and security objectives of Homeland Security

Guidelines for the Use of PIV Credentials in Facility Access

Hildegard Ferraiolo, Ketan L. Mehta, Nabil Ghadiali, Jason Mohler, Vincent Johnson, Steven Brady
This recommendation provides a technical guideline to use Personal Identity Verification (PIV) Cards in facility access; enabling federal agencies to operate as

Derived PIV Application and Data Model Test Guidelines

David Cooper, Hildegard Ferraiolo, Ramaswamy Chandramouli, Nabil Ghadiali, Jason Mohler, Steven Brady
NIST Special Publication (SP) 800-157 contains technical guidelines for the implementation of standards-based, secure, reliable, interoperable Public Key
Created October 9, 2019, Updated December 8, 2022