Protecting our borders from the illegal movement of weapons, drugs, contraband, and people, while promoting lawful trade and travel, is essential to homeland security, economic prosperity, and national sovereignty

Critical infrastructure describes the physical and cyber systems and assets that are so vital to the United States that their incapacity or destruction would have a debilitating impact on our physical or economic security or public health or safety.

Our daily life, economic vitality, and national security depend on a stable, safe, and resilient cyberspace.

TSA employs a risk-based strategy to secure U.S. transportation systems, working closely with transportation sector stakeholders, as well as the partners in the law enforcement and intelligence community.