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.

Network Security Testing



Shirley M. Radack


This ITL Bulletin summarizes NIST Special Publication 800-42, Guideline on Network Security Testing, by John Wack, Miles Tracy, and Murugiah Souppaya, which assists organizations in testing their Internet-connected and operational systems. The guide provides an approach to adopting effective procedures that can help organizations uncover unknown vulnerabilities, institute security controls, and prevent incidents and attacks.
ITL Bulletin -


computer networks, network security, security testing


Radack, S. (2003), Network Security Testing, ITL Bulletin, National Institute of Standards and Technology, Gaithersburg, MD, [online], (Accessed June 17, 2024)


If you have any questions about this publication or are having problems accessing it, please contact

Created November 1, 2003, Updated February 19, 2017