; (3) promulgate such rules and regulations as may be necessary to carry out the functions, powers, and duties vested in the Director; (4) utilize, with their consent, the services, personnel, and facilities of other Federal agencies; (5) enter into and perform such contracts, leases, cooperative agreements, or other transactions as may be necessary in the conduct of the work of the Office and on such terms as the Director may determine appropriate, with any Federal agency, or with any public or private person or entity; (6) accept voluntary and uncompensated services, notwithstanding the provisions of section 1342 of title 31, United States Code; (7) adopt an official seal, which shall be judicially noticed; and (8) provide, where authorized by law, copies of documents to persons at cost, except that any funds so received shall be credited to, and be available for use from, the account from which expenditures relating thereto were made. (f) Definitions In this section: (1) Cybersecurity posture The term cybersecurity posture means the ability to identify and protect, and detect, respond to and recover from intrusions in, information systems the compromise of which could constitute a cyber attack or cyber campaign of significant consequence. (2) Cyber attacks and cyber campaigns of significant consequence The term cyber attacks and cyber campaigns of significant consequence means an incident or series of incidents that have the purpose or effect of— (A) causing a significant disruption to the availability of a Federal information system; (B) harming, or otherwise significantly compromising the provision of service by, a computer or network of computers that support one or more entities in a critical infrastructure sector; (C) significantly compromising the provision of services by one or more entities in a critical infrastructure sector