; (III) attack mitigation; (IV) system administration; (V) network services; (VI) operating systems; (VII) software application; (VIII) enterprise architecture; (IX) internet services; (X) data management; (XI) system analysis; or (XII) malware analysis; and (ii) any other field or discipline that the Director of National Intelligence, the Secretary of Defense, the Secretary of Homeland Security, the Secretary of Energy, or the Attorney General determines appropriate for the purposes of the applicable program established by that agency head under subsection (a)(2); (4) the term institution of higher education has the meaning given the term in section 101 of the Higher Education Act of 1965 ( 20 U.S.C. 1001 ); (5) the term intelligence community has the meaning given the term in section 3 of the National Security Act of 1947 ( 50 U.S.C. 3003 ); and (6) the term private sector institution includes— (A) a nonpublic or commercial person or business; (B) a research institution; (C) an institution of higher education; and (D) any other institution that the Director of National Intelligence, the Secretary of Defense, the Secretary of Homeland Security, the Secretary of Energy, or the Attorney General determines appropriate for the purposes of the applicable program established by that agency head under subsection (a)(2).