Australian Signals Directorate

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Who we are

ASD is a vital member of Australia’s national security community. We work across the full spectrum of operations required of contemporary signals intelligence and security agencies. This includes intelligence, cybersecurity and offensive cyber operations in support of the Australian Government and Australian Defence Force (ADF).

About ASD
REDSPICE cover image
REDSPICE cover image

REDSPICE

REDSPICE is the most significant single investment in the Australian Signals Directorate’s history. It is delivering forward-looking capabilities essential to maintaining Australia’s strategic advantage and capability edge over the coming decade and beyond.

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Careers

We are looking to recruit and develop a curious and imaginative workforce that is not deterred by challenges or obstacles, but excited by them. ASD operates in incredibly challenging and dynamic technical and operational environments, and our success is founded in the ingenuity of our workforce. At ASD, your ingenuity has a real impact – together we keep Australians secure.

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ASD’s Annual Cyber Threat Report 2023–24

ASD’s Annual Cyber Threat Report 2023–24 provides an overview of the key cyberthreats impacting Australia, how ASD’s ACSC is responding and cybersecurity advice for Australian individuals, organisations and government to protect themselves online.

Captain Eric Nave

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

ASD timeline

For 75 years, ASD has collected intelligence about foreign adversaries while keeping our own national secrets safe. Explore ASD’s history and trace its origins back to the Second World War, when Australian Navy, Army and Air Force personnel were brought together to intercept and decode radio signals.

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WRANS in the fileroom at FRUMEL. Image from National Archives of Australia (NAA 7648060)
WRANS in the fileroom at FRUMEL. Image from National Archives of Australia (NAA 7648060)

ASD stories

The Australian Signals Directorate has a rich history. ASD can trace its origins back to the Second World War then was formed as a peacetime signals intelligence organisation in Albert Park, Melbourne. To learn more about ASD’s roots and beginnings, read some of our stories.

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Photo of staff from the Defence Signals Bureau (as we were first named) from around 1953, around five years after the organisation was formed.
Photo of staff from the Defence Signals Bureau (as we were first named) from around 1953, around five years after the organisation was formed.

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Acknowledgement of Country icon

Acknowledgement of Country

We acknowledge the Traditional Owners and Custodians of Country throughout Australia and their continuing connections to land, sea and communities. We pay our respects to them, their cultures and their Elders; past, present and emerging. We also recognise Australia's First Peoples' enduring contribution to Australia's national security.

Authorised by the Australian Government, Canberra