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PPD-21: Critical Infrastructure Security And Influence

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Presidential Policy Directive 21 (PPD-21): Critical Infrastructure Security and Resilience outlines the 16 most critical infrastructures within the United States of America. The 16 critical infrastructures are the Chemical Sector, Commercial Facilities Sector, Communications Sector, Critical Manufacturing Sector, Dams Sector, Defense Industrial Base Sector, Emergency Services Sector, Energy Sector, Financial Services Sector, Food and Agriculture Sector, Government Facilities Sector, Healthcare Sector, Information Technology Sector, Nuclear Sector, Transportation System Sector, and Water and Wastewater Sector. The research paper will briefly cover the 16 critical infrastructures within PPD-21 and then delve into the Energy Sector. The intent

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