On this National Security Podcast, Head of National Security College Professor Rory Medcalf speaks with Ms Rachel Noble PSM, Director-General of the Australian Signals Directorate (ASD), about the history of signals intelligence in Australia, who ASD spies on and why, and adapting to new security threats.

Signals intelligence has been an element of national security operations for as long as there has been warfare and competition. But how does an agency raised out of the Second World War adapt to the modern national security landscape? Has cybersecurity fundamentally altered the nature of Australian Signals Directorate (ASD)'s focus on intelligence collection and information protection? And with threats to Australia’s security emanating not only from international actors but also from Australians, at home and abroad, what role does ASD play in conducting surveillance on Australian citizens and where are the oversights to ensure that laws and personal privacies are not breached? As the second instalment in the National Security College’s 10th Anniversary series Head of College Professor Rory Medcalf talks to Ms Rachel Noble about these matters and more on this episode of the National Security Podcast.

Ms Rachel Noble PSM is Director-General of the Australian Signals Directorate. Prior to this, Rachel was the Head of the Australian Cyber Security Centre.

Professor Rory Medcalf is Head of the National Security College at The Australian National University. His professional background involves more than two decades of experience across diplomacy, intelligence analysis, think tanks, and journalism.

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