‘‘person in control of a critical infrastructure’’

means—

(a) the owner of a critical infrastructure;
(b) the person who, by virtue of—
(i) any right acquired from a person referred to in paragraph (a);
(ii) any other right acquired from any other person, whether by way of a public-private partnership or similar agreement; or
(iii) operation of law, occupies, possesses, is in control of, or is responsible for the operation or administration of such a critical infrastructure; or
(c) the Head of a Government department or the head of any other organ of state who occupies, possesses, is in control of, or is responsible for the operation or administration of a critical infrastructure, and includes any employee acting in such post, and ‘person in control of an infrastructure’ shall be construed accordingly;