Minister for Defence: Senator the Hon. Linda Reynolds CSC
- Director-General: Mr Mike Burgess
- Principle Deputy Director-General: LTGEN John Frewen DSC, AM
- Head Australian Cyber Security Centre: Ms Rachel Noble PSM
- Deputy Director-General SIGINT & Network Operations: Mr Simeon Gilding
- Deputy Director-General Corporate & Capability: Ms Hazel Bennett
- Principle Deputy Director-General: LTGEN John Frewen DSC, AM