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.

Small Business Information Security: The Fundamentals



Patricia R. Toth, Celia Paulsen


NIST developed this NISTIR as a reference guideline for small businesses. This document is intended to present the fundamentals of a small business information security program in non-technical language.
NIST Interagency/Internal Report (NISTIR) - 7621 Rev 1
Report Number
7621 Rev 1


small business, information security, cybersecurity, fundamentals
Created November 3, 2016, Updated January 27, 2020