Defence & veteransAgency
Defence Signals Bureau
DSB
12 November 1947 – 1949
Renamed Defence Signals Branch in 1949.
Australia's post-war signals intelligence organisation, based in Melbourne under the Department of Defence, which intercepted and analysed foreign communications and advised on communications security.
Names over time
- Defence Signals Bureau1947–1949
- Defence Signals Branch1949–1964
- Defence Signals Division1964–1978
- Defence Signals Directorate1978–2013
- Australian Signals Directorate2013–present
How it came into existence
Established on 12 November 1947 within the Department of Defence in Melbourne, as the peacetime successor to wartime signals intelligence units such as the Central Bureau and Fleet Radio Unit Melbourne, and in cooperation with British and United States signals intelligence agencies.
- Signals intelligence
- Communications security
How it ended
Renamed the Defence Signals Branch in 1949.
Main functions
- Signals intelligence collection and analysis
- Cryptanalysis
- Communications security advice to government and the services
Where it sits
Last in the portfolio of Department of Defence.
Lineage
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Sources
Some dates or links for this organisation are not fully confirmed. Corrections are welcome.