P. Security, national and/or state, of buildings, personnel or other.

An executive session may be conducted to discuss matters which will imperil the public safety if disclosed, matters which may disclose the identity of a law enforcement agent or informer, or information relating to current or future investigation or prosecution of a criminal offense which would imperil effective law enforcement if disclosed. N.Y. Pub. Off. Law §  105(1)(a)(b) and (c) McKinney 1988).

Discussion or deliberation of any matter made confidential by federal or state law is exempt from the provisions of the OML. N.Y. Pub. Off. Law §  108(3) (McKinney 1988).