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Please note that Directory.gov.au is being progressively updated following the 2025 Federal Election and issuing of the Administrative Arrangements Order on 13 May 2025.

Your guide to the structures, organisations and key people in the Australian Government

Security Threats and Assessments

Security Threat and Assurance (STA) Branch is part of the Defence Security Division. The Security Threat and Assurance (STA) makes a significant contribution to protecting and advancing Defence’s objectives by providing timely, high quality protective security services to Defence and defence industry. The complex, challenging and evolving threat environment in which we operate requires us to maintain our position as a trusted leader in protective security, and to continue to play our part in an integrated and coordinated whole of government approach to security.

Key People

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