(a) Except as provided by Subsections (b) and (c), information, including access codes and passwords, in the possession of a governmental entity that relates to the specifications, operating procedures, or location of a security system used to protect public or private property from an act of terrorism or related criminal activity is confidential.
(b) Financial information in the possession of a governmental entity that relates to the expenditure of funds by a governmental entity for a security system is public information that is not excepted from required disclosure under Chapter 552.

(c) Information in the possession of a governmental entity that relates to the location of a security camera in a private office at a state agency, including an institution of higher education, as defined by § 61.003, Education Code, is public information and is not excepted from required disclosure under Chapter 552 unless the security camera:
(1) is located in an individual personal residence for which the state provides security; or
(2) is in use for surveillance in an active criminal investigation.