Protective Security Advisor

Definition
A Protective Security Advisors (PSAs) are

"security experts that serve as direct links between the Department [of Homeland Security] and critical infrastructure partners in the field. They assist with state and local critical infrastructure security efforts by establishing and maintaining relationships with state Homeland Security Advisors and critical infrastructure stakeholders, as well as public and private sector partners."

Overview
"PSAs are located in all 50 states and Puerto Rico and serve as the Infrastructure Liaisons at the Federal Emergency Management Agency Joint Field Office and in state and county emergency operations centers, where they provide expert knowledge of the impacted infrastructure; maintain communications with critical infrastructure owners and operators; and prioritize and coordinate critical infrastructure response, recovery, and restoration."