"CIAD" stands for "Central Intelligence Agency Directory," which is a term used to refer to the list of contact information for the employees and departments within the CIA. Synonyms for "CIAD" could include "CIA directory," "intelligence agency contact list," or "agency staff directory." Other options might include "CIA phonebook" or "intelligence agency staff guide." Whatever terminology one uses, the purpose is the same: to provide an easy-to-use reference point for contacting the appropriate personnel within the CIA. As an important tool for the agency, CIAD will continue to play a critical role in the CIA's ability to carry out its responsibilities and protect our national security.