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Learn about who we are and what we do.
Interactive tools and advice to boost your online safety.
Advice and information about how to protect yourself online.
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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Accessibility
Feb 15, 2021 - Under the Disability Discrimination Act 1992, Australian Government agencies are required to ensure information and services are provided in a non-discriminatory, accessible manner.
Exploitation of Microsoft Office vulnerability: Follina Alert
Jun 15, 2022 - The Australian Signals Directorate’s Australian Cyber Security Centre (ASD’s ACSC) is aware of active exploitation of the Follina zero-day vulnerability in the Microsoft Support Diagnostic Tool (CVE-2022-30190). Affected Australian organisations should take appropriate action.
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.
Why it’s time to ditch your one password for passphrases News
Apr 28, 2023 - Your accounts are only as strong as the tools keeping them secure. One of the most effective ways of protecting your personal information and accounts is to use a strong passphrase.
ASD's ACSC Annual Cyber Threat Report, July 2019 to June 2020 Reports and statistics
Sep 3, 2020 - This report has been jointly produced by the Australian Signals Directorate’s Australian Cyber Security Centre (ASD’s ACSC), the ACIC and the AFP, and is the first unclassified annual threat report since the ASD's ACSC became part of the ASD in July 2018. The report identifies and describes key cyber security threats targeting Australian systems and networks, and provides a range of examples and real-world case studies of malicious activity targeting Australian networks, between July 2019 and June 2020. It provides mitigation advice that all Australians and organisations can take to defend against these threats.
COVID-19 malicious cyber activity Alert
May 22, 2020 - Malicious cyber actors are actively targeting individuals and Australian organisations with COVID-19 related scams and phishing emails. These incidents are likely to increase in frequency and severity over the coming weeks and months. This is due, in part, to the ease in which existing scam emails and texts can be modified with a COVID-19 theme.
Securing Customer Personal Data for Small to Medium Businesses News
Nov 17, 2023 - As data breaches increasingly impact Australian businesses and their customers, it’s crucial for businesses to improve their data security practices and ensure their customers’ personal data is handled appropriately.
Managing cryptographic keys and secrets Publication
Aug 26, 2025 - This guide has been developed to help organisational personnel in understanding the threat environment and the value of implementing secure keys and secrets management to make better informed decisions.
Recommendations to mitigate DDoS threats being made against Australian organisations Advisory
Feb 25, 2020 - The Australian Signals Directorate’s Australian Cyber Security Centre (ASD’s ACSC) is aware of a number of Denial of Service (DoS) for ransom threats being made against Australian organisations, primarily in the banking and finance sector.
Australian Signals Directorate releases 2023 ASD Cyber Threat Report News
Nov 15, 2023 - The Australian Signals Directorate has released its fourth ASD Cyber Threat Report.
New domain name changes could leave your business or organisation at risk Alert
Mar 23, 2022 - The new domain name category, could leave your business or organisation open to fraudulent cyber activity. Register your .au domain name before it becomes available to the general public.
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).
IRAP training partnership News
Feb 23, 2021 - The Australian Signals Directorate’s Australian Cyber Security Centre (ASD’s ACSC) is partnering with organisations in South Australia and the ACT to deliver cyber security assessment training services for Australian business and organisations.
Small Business Cloud Security Guides News
Dec 16, 2022 - The Australian Signals Directorate’s Australian Cyber Security Centre (ASD’s ACSC) has released a series of guides designed to help small businesses secure their cloud environment.
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.
Cyber skills framework Publication
Sep 10, 2020 - The Cyber Skills Framework enables targeted recruitment of cyber specialists, provides a development pathway for current and future cyber staff, and aligns skills, knowledge and attributes with national and international industry standards.
Cyber resources for small businesses News
Feb 11, 2022 - Last December, the Council of Small Business Organisations Australia (COSBOA) co-hosted an Act Now, Stay Secure breakfast at the National Portrait Gallery, along with the Australian Signals Directorate’s Australian Cyber Security Centre (ASD’s ACSC) and the Department of Home Affairs.
The ASD's ACSC asks, ‘Have you been hacked?’ News
Aug 16, 2022 - The Australian Signals Directorate’s Australian Cyber Security Centre (ASD’s ACSC) has launched a new online tool to help people who may be a victim of a cyber attack – Have you been hacked?
Joint cybersecurity advisory released on 2021's top routinely exploited vulnerabilities News
Apr 28, 2022 - Malicious cyber actors are aggressively targeting newly-disclosed and dated critical software vulnerabilities against a broad range of targets, including public and private sector organisations worldwide.
Cyber security is essential when preparing for COVID-19 Advisory
Mar 13, 2020 - In light of the COVID-19 pandemic, organisations are developing strategies to protect staff and vulnerable members of our community.
Medibank Private Cyber Security Incident Alert
Dec 1, 2022 - ASD’s Australian Cyber Security Centre is working closely with Medibank Private following the recent incident.
Protect yourself from remote access scams Advisory
Nov 4, 2020 - NEVER provide your personal and financial details or give a stranger remote access to your device or computer – simply hang up.
Who we are
Oct 25, 2022 - Australian Signals Directorate’s Australian Cyber Security Centre (ASD’s ACSC) leads the Australian Government’s efforts to improve cyber security. Our role is to help make Australia the most secure place to connect online.
Safe software deployment: How software manufacturers can ensure reliability for customers Publication
Oct 25, 2024 - It is critical for all software manufacturers to implement a safe software deployment program supported by verified processes, including robust testing and measurements.
Blueprint for Secure Cloud Publication
Feb 21, 2024 - The Blueprint provides better practice guidance, configuration guides and templates covering risk management, architecture and standard operating procedures developed as per the controls in ASD’s Information security manual (ISM).
Secure your mobile phone Guidance
Nov 12, 2024 - The security of your mobile phone can be as crucial as your computer. Follow these steps to protect your phone or tablet from cybercriminals.
2020-013 Ransomware targeting Australian aged care and healthcare sectors Advisory
Aug 2, 2020 - Recently there has been a significant increase in healthcare or COVID-19 themed malicious cyber activity, including targeting of the aged care and healthcare sectors by financially motivated cyber criminals using the ‘Maze’ ransomware.
Hacking Threat
Jan 5, 2023 - Hacking refers to unauthorised access of a system or network, often to exploit a system’s data or manipulate its normal behaviour.
Domain Name System security for domain owners Publication
Oct 6, 2021 - This publication provides information on DNS security for domain owners. It also shared helpful strategies to reduce the risk of domain misuse.
Privacy
Oct 24, 2022 - The cyber.gov.au website, including the cyber incident reporting portal (ReportCyber), is operated by the Australian Signals Directorate’s Australian Cyber Security Centre (ASD’s ACSC). The ASD's ACSC is part of the Australian Signals Directorate (ASD), an Australian Government agency.
