Defence Signals Directorate

The Defence Signals Directorate, now known as the Australian Cyber Security Centre (ACSC), is Australia's national agency responsible for protecting government and critical infrastructure from cyber threats. It monitors digital networks for malicious activity, provides intelligence on cyber attacks, and offers guidance on cybersecurity practices. Its goal is to detect, prevent, and respond to cyber incidents, ensuring Australia's digital systems remain secure and resilient against threats from cybercriminals, hostile foreign entities, and other malicious actors.