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Interactive tools and advice to boost your online safety.
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Common online security risks and advice on what you can do to protect yourself.
Respond to cyber threats and take steps to protect yourself from further harm.
Resources for business and government agencies on cyber security.
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Cyber incident affecting the handling of Security Sensitive Biological Agents
Cyber Security Awareness Month 2024
Sep 30, 2024 - October is Cyber Security Awareness Month and an annual reminder for all Australians to stay secure online.
Cybersecurity guidelines
Jun 13, 2024 - Practical guidance on how an organisation can protect their information technology and operational technology systems, applications and data from cyberthreats.
Small business cybersecurity
Jul 18, 2023 - How to protect your small business from common cyberthreats.
Strategies to mitigate cybersecurity incidents
Aug 30, 2023 - The Australian Signals Directorate has developed prioritised mitigation strategies to help organisations mitigate cybersecurity incidents caused by various cyberthreats.
Further cyber sanctions in response to Medibank Private cyberattack News
Feb 12, 2025 - Today Australia has imposed targeted financial and travel sanctions on a cyber infrastructure entity – ZServers – and five of its Russian employees for their roles in providing infrastructure to host and disseminate data stolen from Medibank Private in 2022.
Guidelines for cybersecurity incidents Advice
Mar 18, 2025 - This chapter of the Information security manual (ISM) provides guidance on cybersecurity incidents.
Cyber sanction imposed on Russian cybercriminal for 2022 Medibank Private compromise News
Jan 23, 2024 - Today Australia has imposed a cyber sanction under the Autonomous Sanctions Act 2011 on Russian national Aleksandr Ermakov for his role in the compromise of Medibank Private in 2022. This is the first time a sanction has been imposed under the Act.
Cybercriminals scanning Australian entities for serious cyber vulnerability News
Dec 21, 2021 - Australians must urgently patch applications and software products as malicious cyber adversaries conduct thousands of scans in search of the vulnerability related to the critical Log4j software flaw.
Joint Cybersecurity Guide to increase cyber security of products globally News
Apr 14, 2023 - This guide provides a roadmap for technology manufacturers to ensure security of their products.
Cybersecurity terminology Advice
Mar 18, 2025 - This chapter of the Information security manual (ISM) provides guidance on cybersecurity terminology.
Cybersecurity principles Advice
Mar 18, 2025 - Follow the Information security manual (ISM)'s cybersecurity principles to protect information technology and operational technology systems, applications and data from cyberthreats.
People's Republic of China State-Sponsored Cyber Actor Living off the Land to Evade Detection joint cybersecurity advisory News
May 25, 2023 - Today we released a joint advisory with international partners on a recently discovered cluster of activity associated with a People’s Republic of China (PRC) state-sponsored cyber actor.
Guidelines for cybersecurity roles Advice
Mar 18, 2025 - This chapter of the Information security manual (ISM) provides guidance on cybersecurity roles.
Guidelines for cybersecurity documentation Advice
Mar 18, 2025 - This chapter of the Information security manual (ISM) provides guidance on cybersecurity documentation.
Principles of operational technology cybersecurity Publication
Oct 2, 2024 - Critical infrastructure organisations provide vital services, including supplying clean water, energy, and transportation, to the public. These organisations rely on operational technology (OT) to control and manage the physical equipment and processes that provide these critical services. As such, the continuity of vital services relies on critical infrastructure organisations ensuring the cybersecurity and safety of their OT.
Supporting Australian organisations through a cybersecurity incident Guidance
Dec 18, 2024 - Malicious cyber activity continues to pose a significant risk to Australia’s security and prosperity. Australian organisations that have been, or may be impacted by a cybersecurity incident, are encouraged to reach out to the Australian Signal’s Directorate (ASD) to seek technical incident response advice and assistance.
Cyber supply chains
Dec 3, 2020 - This page lists publications on cyber supply chain risk management.
Personal cyber security guides
Oct 1, 2021 - This page includes a series of cyber security guides that you can use to protect yourself and be cyber secure.
Cybersecurity incident response planning: Practitioner guidance Publication
Dec 12, 2024 - ASD defines a cybersecurity incident as an unwanted or unexpected cybersecurity event, or a series of such events, that has either compromised business operations or has a significant probability of compromising business operations.
Cybersecurity incident response planning: Executive guidance Publication
Dec 12, 2024 - The Australian Signals Directorate (ASD) is responsible for monitoring and responding to cyberthreats targeting Australian interests. Reporting cybersecurity incidents to ASD ensures that timely assistance can be provided, if required. This may be in the form of investigations or remediation advice.
ASD’s role in cybersecurity: For legal practitioners Guidance
Dec 11, 2024 - During a cybersecurity incident, or suspected cybersecurity incident, our goal is to work with impacted organisations, their legal representation, and any external vendors engaged to investigate an incident on behalf of the organisation.
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.
Cybercrime - getting help Guidance
Apr 11, 2023 - If something has knocked you offline, check out the following information to help you get back up and running!
Cybersecurity Best Practices for Smart Cities Publication
Apr 20, 2023 - This guidance is the result of a collaborative effort from the United States Cybersecurity and Infrastructure Security Agency (CISA), the United States National Security Agency (NSA), the United States Federal Bureau of Investigation (FBI), the United Kingdom National Cyber Security Centre (NCSC-UK), the Australian Signals Directorate’s Australian Cyber Security Centre (ASD’s ACSC), the Canadian Centre for Cyber Security (CCCS), and the New Zealand National Cyber Security Centre (NCSC-NZ).
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.
Shifting the Balance of Cybersecurity Risk Publication
Oct 17, 2023 - The Cybersecurity and Infrastructure Security Agency (CISA), National Security Agency (NSA), Federal Bureau of Investigation (FBI), the Australian Signals Directorate’s Australian Cyber Security Centre (ASD’s ACSC) and the following international partners provide the recommendations in this guide as a roadmap for technology manufacturers to ensure security of their products.
Small business cybersecurity guide Publication
Jun 16, 2023 - This guide includes basic security measures to help protect your business against common cyberthreats.
Cancel COVID-19 cybercrime
Oct 18, 2022 - Cybercriminals are adapting their methods to take advantage of the COVID-19 pandemic. We continue to receive reports from individuals, businesses and government departments about a range of different COVID-19-themed scams, online fraud and phishing campaigns.
ASD's ACSC urges victims to report cybercrimes News
Jul 17, 2023 - The Australian Signals Directorate’s Australian Cyber Security Centre (ASD's ACSC) is urging all Australians to report cybercrimes immediately to ReportCyber amid the growing number of cybercrimes impacting Australians.
