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.
This guide provides step-by-step instructions for site visitor and public solver use of Challenge.Gov. Navigate through the right side menu to select an area to learn more.