Cybersecurity and Infrastructure Security Agency (CISA), Department of Homeland Security, Memorandum on Identification of Essential Critical Infrastructure Workers During COVID-19 Response, Version 1.0 (Mar. 19, 2020) (Ex. SEC-07-001)
Cybersecurity and Infrastructure Security Agency, DHS, Guidance on the Essential Critical Infrastructure Workforce, Version 3.0 (Apr. 17, 2020) (Ex. SEC-13-033)
