Aviation

A trusted world leader in aviation training and professional services.

Aerospace

Supporting our nation’s critical Aerospace programs and infrastructure.

National Intelligence & Defense

National intelligence and defense services that meet the most stringent operational demands.

Cybersecurity

World-class services and Camelot Secure360 – a full-view cybersecurity solution.

Counter-UAS

FENCE-OUT delivers custom, platform-agnostic airspace defense.

AI Governance & Security

AI should accelerate your mission, not introduce unmanaged risk.

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DHS: 16 Critical Infrastructure Sectors

National Security and Critical Infrastructure: What You Need to Know

The United States Department of Homeland Security has identified 16 critical infrastructure sectors that are essential to national security, economic stability, and public safety. These sectors encompass physical and virtual assets, systems, and networks, whose disruption or destruction could severely impact the country. Presidential Policy Directive 21 (PPD-21) establishes a national framework to enhance the security, resilience, and functionality of these critical infrastructures.

Chemical Sector

Ensures the safe production, storage, and transportation of chemicals essential for industries and public health.

Commercial Facilities Sector

Includes public venues like malls, stadiums, hotels, and entertainment sites that support commerce and community activity.

Communications Sector

Enables nationwide connectivity through telecommunications, internet, satellite, and broadcast networks.

Critical Manufacturing Sector

Manufactures components and materials vital to national security, supply chains, and industrial operations.

Dams Sector

Manages dams and levees that provide water storage, hydroelectric power, and flood control.

Defense Sector

Supports military readiness by producing weapons, systems, and critical defense technologies.

Emergency Services Sector

Protects lives and property through police, fire, EMS, and disaster response operations.

Energy Services Sector

Powers the nation through the generation, transmission, and distribution of electricity, oil, and natural gas.

Finance Sector

Facilitates secure banking, payments, and financial transactions that sustain the global economy.

Food and Agriculture Sector

Ensures a stable food supply through farming, processing, and distribution systems.

Government Facilities Sector

Operates and protects buildings, assets, and cyber systems used by federal, state, and local governments.

Healthcare & Public Health Sector

Delivers medical care and safeguards public health systems, data, and infrastructure.

Information Technology Sector

Provides the hardware, software, and services that underpin digital infrastructure and cybersecurity.

Nuclear Reactors, Materials, and Waste Sector

Oversees nuclear energy production and the safe handling of radioactive materials and waste.

Transportation Systems Sector

Moves people and goods via air, rail, road, and maritime networks critical to commerce and mobility.

Water and Wastewater Systems Sector

Supplies clean drinking water and treats wastewater to protect public health and the environment.