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Privacy Awareness Week 2023 News
Apr 28, 2023 - The Australian Cyber Security Centre (ACSC) is supporting with the Office of the Australian Information Commissioner (OAIC) to support Privacy Awareness Week.
Use our new guidance to create and maintain a definitive view of your organisation’s Operational Technology (OT) architecture News
Oct 28, 2025 - Apply the 5 key principles of this guidance to build a holistic understanding of your operational technology (OT) systems and design appropriate, effective cyber security controls.
New Secure by Demand guidance available for operational technology owners and operators News
Jan 14, 2025 - To protect your systems from threat actors targeting your operational technology components, select products from manufacturers who are Secure-by-Design. Find out which security elements to prioritise.
Gootkit Loader continues to be used on multiple Australian networks Advisory
Dec 23, 2022 - The Australian Signals Directorate’s Australian Cyber Security Centre (ASD’s ACSC) continues to observe instances of Gootkit JavaScript (JS) Loaders on multiple Australian networks in 2022. Open source reporting also indicates continued Gootkit activity.
Detecting socially engineered messages Publication
Oct 6, 2021 - Socially engineered messages pose a significant threat to organisations. They can have a big impact, helping malicious actors access accounts, systems or sensitive information. Learn how to spot a socially engineered message, including through email, SMS, social media or messaging apps.
Hardening Microsoft 365, Office 2021, Office 2019 and Office 2016 Publication
Jul 24, 2023 - Workstations are often targeted by malicious actors using malicious websites, emails or removable media in an attempt to extract sensitive information. Hardening applications on workstations is an important part of reducing this risk.
Report and recover from business email compromise Guidance
Jul 14, 2023 - Step-by-step guidance on how to respond to and recover from email compromise and impersonation attempts.
Information Security Registered Assessor Program (IRAP) News
Dec 15, 2022 - The Australian Signals Directorate’s Australian Cyber Security Centre (ASD’s ACSC) is further enhancing cyber security assessment and training, improving cyber skills, and creating new cyber careers for Australians through the Information Security Registered Assessor Program (IRAP).
Scammers impersonating the ASD's ACSC Alert
Jun 13, 2025 - Scammers are impersonating the ASD's ACSC sending out phishing emails to the public with the email content suggesting to download a malicious antivirus program.
New Secure-by-Design publication about memory safety released News
Jun 27, 2024 - Today, we jointly released a new Secure-by-Design publication, Exploring Memory Safety in Critical Open Source Projects, co-authored by the U.S. Cybersecurity and Infrastructure Security Agency (CISA), Federal Bureau of Investigation (FBI), and Canadian Centre for Cyber Security (CCCS).
Using Content Credentials to help mitigate cyber threats associated with generative AI News
Jan 30, 2025 - With advanced AI tools, digital media can be created or modified convincingly with minimal effort and cost. Learn more about media provenance solutions to help end users verify the integrity of your organisation’s content.
People’s Republic of China (PRC) State-Sponsored Cyber Actor Living Off the Land to Evade Detection Alert
May 25, 2023 - The Australian Signals Directorate’s Australian Cyber Security Centre (ASD's ACSC), in conjunction with the United States (US) National Security Agency (NSA) its international partners, has released a Cybersecurity Advisory regarding a PRC state-sponsored cyber actor conducting activity impacting US critical infrastructure (CI) sectors. Because of the potential risk to CI sectors outside the US, all organisations are encouraged to review the published Advisory and report any malicious activity to the ASD's ACSC.
Cyber security for charities and not-for-profit organisations News
Mar 18, 2024 - With cyber-attacks continuing to increase in frequency and severity across all sectors, the Australian Signals Directorate is encouraging charities and not-for-profit organisations to take action to protect their online systems.
New guidance to help fortify Australia’s critical infrastructure News
Oct 13, 2025 - Australian CI is, and will continue to be, an attractive target for state-sponsored cyber actors. Read the CI Fortify publication to learn two actions CI operators can take to strengthen their resilience in preparation for instances of crisis or service disruption.
Advisory 2021-002: Active exploitation of vulnerable Microsoft Exchange servers Advisory
Mar 26, 2021 - On 2 March 2021 Microsoft released information regarding multiple exploits being used to compromise instances of Microsoft Exchange Server. Malicious actors are exploiting these vulnerabilities to compromise Microsoft Exchange servers exposed to the internet, enabling the malicious actor to access email accounts and to enable further compromise of the Exchange server and associated networks.
Iranian-based cyber actors compromising critical infrastructure networks News
Oct 17, 2024 - Iran-based cyber actors are using brute force attacks such as password spraying to compromise critical infrastructure networks.
Understand and invest in modern defensible architecture now News
Oct 23, 2025 - We have released a new publication series in collaboration with our international partners on modern defensible architecture, providing organisations with a clear framework to begin investment and implementation.
Australian Signals Directorate releases the Annual Cyber Threat Report 2024-25 News
Oct 14, 2025 - 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.
New guidance for small businesses to protect your devices and accounts News
Jul 9, 2025 - Follow a list of step-by-step actions to help protect your Apple, Google and Microsoft devices and accounts.
ASD's ACSC Annual Cyber Threat report 2020-21 News
Sep 16, 2021 - The Assistant Minister for Defence, The Hon Andrew Hastie MP, released the Australian Signals Directorate’s Australian Cyber Security Centre's (ASD’s ACSC) Annual Cyber Threat Report 2020-21.