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#StopRansomware: Play ransomware Advisory
Jun 5, 2025 - This joint Cybersecurity Advisory (CSA) is part of an ongoing #StopRansomware effort to publish advisories for network defenders that detail various ransomware variants and ransomware threat actors.
Consider your cyber hygiene in light of global events News
Jul 1, 2025 - Around the world, geopolitical tensions remain complex as nations navigate diplomatic, economic, and military challenges. ASD’s ACSC recommends that organisations continue to review their current cyber security posture and maintain sufficient monitoring for cyber threats.
2022-02: Australian organisations should urgently adopt an enhanced cyber security posture Advisory
Apr 28, 2022 - Entities should follow ACSC advice and act on improving their resilience within a heightened threat environment.
Australian organisations encouraged to urgently adopt an enhanced cyber security posture Alert
Mar 28, 2022 - Australian organisations are encouraged to urgently adopt an enhanced cyber security posture. Organisations should act now and follow ACSC’s advice to improve their cyber security resilience in light of the heightened threat environment.
Social engineering Threat
May 29, 2025 - Social engineering is a significant threat to individuals and organisations, enabling malicious actors to compromise accounts, devices, systems or sensitive information.
Geo-blocking in context: Realities, risks and recommendations Publication
May 19, 2025 - This guidance is intended for decision makers and cybersecurity practitioners. It highlights what to be aware of when identifying the source of a threat and the potential implications of geo-blocking in a broader cybersecurity strategy.
Strategies to mitigate cybersecurity incidents Publication
Feb 1, 2017 - The Australian Signals Directorate (ASD) has developed prioritised mitigation strategies to help organisations mitigate cybersecurity incidents caused by various cyberthreats. This guidance addresses targeted cyber intrusions (i.e. those executed by advanced persistent threats such as foreign intelligence services), ransomware and external adversaries with destructive intent, malicious insiders, ‘business email compromise’, and industrial control systems.
Update your small business cyber security News
Jun 12, 2024 - Resources to help protect small businesses from cyber threats.
Report and recover
APT exploitation of Fortinet Vulnerabilities Alert
Apr 3, 2021 - Advanced Persistent Threat (APT) actors targeting historic Fortinet vulnerabilities.
Australia joins US and UK to warn of 2021 Ransomware trends News
Feb 10, 2022 - Ransomware continues to be a global threat, and cybercriminals using ransomware pose a significant risk to Australian organisations and households.
Choosing secure and verifiable technologies: Executive guidance Publication
Dec 5, 2024 - This guide supports senior leaders to enable their organisations to understand their threat environment and make better-informed assessments and decisions to procure secure technologies.
Strategies to mitigate cyber security incidents
Aug 30, 2023 - The Australian Signals Directorate has developed prioritised mitigation strategies to help organisations mitigate cyber security incidents caused by various cyber threats.
Quiz library Guidance
Test your knowledge about cybersecurity practices and threats through our quizzes.
Foundations for modern defensible architecture Publication
Feb 10, 2025 - The Foundations represent the first step to help organisations adopt a ‘modern defensible architecture’ approach, which will enable them to evolve alongside the threat landscape.
The silent heist: cybercriminals use information stealer malware to compromise corporate networks Advisory
Sep 2, 2024 - Information stealer malware steals user login credentials and system information that cyber threat actors exploit, predominantly for monetary gain. Information stealers have been observed in attacks against multiple organisations and sectors worldwide, including Australia. This advisory provides readers with cyber security guidance on information stealers, including threat activity and mitigation advice for individuals and organisations.
#StopRansomware: LockBit 3.0 Ransomware Affiliates Exploit CVE 2023-4966 Citrix Bleed Vulnerability Advisory
Nov 29, 2023 - This joint Cybersecurity Advisory (CSA) is part of an ongoing #StopRansomware effort to publish advisories for network defenders that detail various ransomware variants and ransomware threat actors.
Strategies to mitigate cybersecurity incidents: Mitigation details Publication
Feb 1, 2017 - The Australian Signals Directorate (ASD) has developed prioritised mitigation strategies to help cybersecurity professionals in all organisations mitigate cybersecurity incidents caused by various cyberthreats. This guidance addresses targeted cyber intrusions (i.e. those executed by advanced persistent threats such as foreign intelligence services), ransomware and external adversaries with destructive intent, malicious insiders, ‘business email compromise’, and industrial control systems.
Convoluted layers: An artificial intelligence primer Publication
May 21, 2025 - Rapid advances in artificial intelligence (AI), along with public releases of AI products, have prompted governments, businesses and criminals to accelerate efforts to incorporate this new technology into their operations. This advice provides definitions for some of the most commonly encountered AI terms in cybersecurity and a brief typology of cyber threats that will arise from AI.
BADBAZAAR and MOONSHINE: Technical analysis and mitigations Advisory
Apr 9, 2025 - This guidance has been jointly produced by government agencies from the UK, Australia, Canada, Germany, New Zealand, and the US and is supported by members of the NCSC Cyber League. Its provides new and collated threat intelligence on two spywares known as MOONSHINE and BADBAZAAR with guidance for how App store operators, developers and social media companies can keep their users safe.
Cybersecurity Research Report Reports and statistics
Dec 15, 2020 - The Australian Signals Directorate’s Australian Cyber Security Centre (ASD’s ACSC) commissioned exploratory research to better understand audience awareness of cybersecurity threats and practices.
Guidelines for cybersecurity incidents Advice
Mar 18, 2025 - This chapter of the Information security manual (ISM) provides guidance on cybersecurity incidents.
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.
Head of ACSC talks cyber security with Natarsha Belling in podcast special News
Nov 29, 2021 - Ms Abigail Bradshaw, head of the Australian Cyber Security Centre (ACSC), recently sat down with journalist Natarsha Belling to discuss the common cyber threats affecting Australians today.
Australian Signals Directorate unveils new facility News
Mar 23, 2022 - The Australian Signals Directorate (ASD) has unveiled a new world-class cyber and foreign intelligence facility, as the agency prepares to mark 75 years defending Australia from global threats.
Personal cyber security: First steps guide Guidance
Apr 14, 2023 - The first of three cyber security guides in the personal cyber security series is designed to help everyday Australians understand a basic level of cyber security and how to take action to protect themselves from cyber threats.
Advice for Malicious Cyber Activity by Iran News
Sep 15, 2022 - Australian organisations are urged to be alert to continued malicious cyber activity conducted by Advanced Persistent Threat (APT) actors, assessed to be affiliated with the Iranian Government’s Islamic Revolutionary Guard Corps (IRGC).
TMUI remote code execution vulnerability - CVE-2020-5902 Alert
Jul 6, 2020 - The Australian Signals Directorate’s Australian Cyber Security Centre (ASD’s ACSC) advises users of F5’s enterprise and data centre BIG-IP products to ensure their systems are promptly patched after the recent disclosure of new remote code execution vulnerability.
ASD's ACSC/NCSC collaboration to strengthen cyber security posture News
Nov 4, 2022 - The Australian Signals Directorate’s Australian Cyber Security Centre (ASD’s ACSC) and the UK’s National Cyber Security Centre (NCSC) are committed to improving our respective nation’s cyber security posture and protecting our networks from cyber threats.
BADBAZAAR and MOONSHINE: Spyware targeting Uyghur, Taiwanese and Tibetan groups and civil society actors Advisory
Apr 9, 2025 - This advisory is jointly produced by government agencies from the UK, Australia, Canada, Germany, New Zealand, and the US and is supported by members of the NCSC’s Cyber League. Its purpose is to raise awareness about the growing threat that malicious cyber actors pose to individuals connected to topics including Taiwan, Tibet, Xinjiang Uyghur Autonomous Region, democracy movements and the Falun Gong.
