Presidential Policy Directive 8 (PPD-8)

[Presidential Directive that] facilitates an integrated, all-of-Nation approach to national preparedness for the threats that pose the greatest risk to the security of the Nation, including acts of terrorism, cyber-attacks, pandemics, and catastrophic natural disasters; directs the Federal Government to develop a national preparedness system to build and improve the capabilities necessary to maintain national preparedness across the five mission areas covered in the PPD: prevention, protection, mitigation, response, and recovery. (PPD-8, 2011).

Source: Starting Point: U.S. Election Systems as Critical Infrastructure, U.S. Election Assistance Commission, https://www.eac.gov/sites/default/files/eac_assets/1/6/starting_point_us_election_systems_as_Critical_Infrastructure.pdf