CISA has a YouTube channel with numerous informative videos addressing cyber and physical preparedness efforts. Visit CISA's YouTube channel here.
CISA works with businesses, communities, and government at every level to help make the nation’s critical infrastructure more resilient to cyber and physical threats. Everyone has a role securing the Nation’s critical infrastructure.
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. The Nation's critical infrastructure provides the essential services that underpin American society.
Visit https://www.cisa.gov for more info.