; and (2) researching, developing, testing, and implementing technology platforms and standards, in partnership with covered entities, to isolate and defend industrial control systems of covered entities from security vulnerabilities and exploits in the most critical systems of the covered entities, including— (A) analog and nondigital control systems; (B) purpose-built control systems; and (C) physical controls. 4. Working group to evaluate program standards and develop strategy (a) Establishment The Director shall establish a working group— (1) to evaluate the technology platforms and standards used in the Program under section 3(2); and (2) to develop a national cyber-informed engineering strategy to isolate and defend covered entities from security vulnerabilities and exploits in the most critical systems of the covered entities. (b) Membership The working group established under subsection (a) shall be composed of not fewer than 10 members, to be appointed by the Director, at least 1 member of which shall represent each of the following: (1) The Department of Energy. (2) The energy industry, including electric utilities and manufacturers recommended by the Energy Sector coordinating councils. (3) (A) The Department of Homeland Security; or (B) the Industrial Control Systems Cyber Emergency Response Team. (4) The North American Electric Reliability Corporation. (5) The Nuclear Regulatory Commission. (6) (A) The Office of the Director of National Intelligence; or (B) the intelligence community (as defined in section 3 of the National Security Act of 1947 ( 50 U.S.C. 3003 )). (7) (A) The Department of Defense