An official website of the United States government
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.
Most content on the NIST web site is "tagged" with a research area or other program topic. Below are the top-level topic areas. Each topic links to a landing page where you can find out more about what NIST is doing in that research or programmatic area.