Some content on this platform has been removed in accordance with the President’s executive orders and DHS priorities.
Explore Critical Infrastructure Data with HIFLD
HIFLD (Homeland Infrastructure Foundation-Level Data) is a comprehensive collection of national foundation-level geospatial data within the open public domain that can be useful to support community preparedness, resiliency, research, and more.
How Can I Use the HSDL?
Search for Resources
Search over 250,000 librarian-selected resources related to homeland security policy, strategy, and organizational management.
Set New Content Alerts
Save your search criteria and we will automatically email you a list of any matching resources added in the last week.
Ask a Librarian
The HSDL librarians are homeland security experts. Ask for their guidance on brief, factual, mission-related inquiries.
