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ACTR 2025 News

Australian Signals Directorate releases the Annual Cyber Threat Report 2024-25

The Annual Cyber Threat Report 2024-25 provides an overview of the key cyber threats impacting Australia, how ASD's ACSC is responding and cyber security advice for Australian individuals, organisations and government to protect themselves online.

Who we are

75th Anniversary Commemorative Coin

75th Anniversary Commemorative Coin

On 1 September 2022, the Royal Australian Mint released a limited edition fifty cent commemorative coin to celebrate ASD’s 75th anniversary

Promotional image for Decoded Exhibition.

Decoded Exhibition, National Museum of Australia

Take an unprecedented glimpse at our history at DECODED: 75 Years of the Australian Signals Directorate.

History

Jessie Flanders holds a small badge in one hand and a black and white framed photograph of her younger self in the other.

Bletchley Park Commemorative Badge

ASD facilitated the award of the Bletchley Park Commemorative Badge to over 200 Australian Second World War ‘Siginters’ whose wartime service had never been adequately recognised in Australia.

AWM P00125.001. Central Bureau Headquarters, ‘Nyrambla’ 21 Henry Street, Ascot Brisbane. https://www.awm.gov.au/collection/C40606

Central Bureau identity discs

In 1942 Australian and United States servicemen and women moved into a Brisbane mansion, ‘Nyrambla’, and set up a complex and secretive signals intelligence unit called Central Bureau.

Central Bureau Banner

Central Bureau banner

From 1942 to 1945 Central Bureau, housed in a Brisbane suburban mansion, ‘Nyrambla’, operated as a top-secret intelligence unit where Australian, United States, British, Canadian and New Zealand personnel decoded Japanese military signals.

Leut Eric Nave, 1925

Captain Eric Nave

On 7 November 2024, Captain Eric Nave became the first Australian to be included in the National Security Agency/Central Security Service (NSA/CSS) Cryptologic Hall of Honor in recognition of his lifetime of achievement in the cryptology.

RDF Section Air-Ground comms and plotting board

DSD in Vietnam

The Vietnam War was one of the first major military operations supported by the Defence Signals Division (DSD), as ASD was known in the 1960s.