Skip to main content
U.S. flag

An official website of the United States government

Dot gov

The .gov means it’s official.
Federal government websites often end in .gov or .mil. Before sharing sensitive information, make sure you’re on a federal government site.


The site is secure.
The https:// ensures that you are connecting to the official website and that any information you provide is encrypted and transmitted securely.

Jon M Boyens


Criticality Analysis Process Model

Celia Paulsen, Jon M. Boyens, Nadya Bartol, Kris Winkler
In the modern world, where complex systems and systems-of-systems are integral to the functioning of society and businesses, it is increasingly important to be

Increasing Visibility and Control of Your ICT Supply Chains

Jon M. Boyens, Celia Paulsen, Larry Feldman, Gregory A. Witte
This bulletin summarizes the information presented in NIST SP 800-161, Supply Chain Management Practices for Federal Information Systems and Organizations,
Created October 9, 2019