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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.
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Explore, analyse and correlate malware at scale with Azul News
Feb 24, 2026 - ASD’s open‑source malware analysis tool is now available on GitHub. The Azul tool helps enhance the ability of network defenders and incident responders to understand and respond to malware.
Secure your email Guidance
Jul 29, 2024 - How to protect yourself when using email and reduce spam and malicious emails.
Do you purchase technology for your organisation? News
Dec 5, 2024 - Updated guidance and new guidance for executives now available for Choosing secure and verifiable technologies.
"Bulletproof" hosting providers are not so bulletproof News
Jan 22, 2025 - Many cybercriminals rely on Bulletproof Hosting (BPH) providers to carry out their unlawful activities. Read our new publication to find out more about the role that BPH providers play in the cybercrime ecosystem.
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.
Information stealers are on the rise, are you at risk? News
Dec 8, 2025 - Make sure you know how to avoid information stealer malware and get tips for protecting your information.
Secure your website Guidance
Jul 29, 2024 - Small business account for over 95% of all businesses in Australia and 72% of them have a website. However, in a world in which websites are increasingly being targeted by cyber criminals, only 36% check for updates every week. For those small businesses with a website, or that are considering one, these three quick wins will help you protect your money, data and reputation.
Antivirus software Guidance
Apr 11, 2023 - The consequences of viruses, spyware and other malicious software can be serious and far reaching. Follow our guidance about using antivirus software.
Safer Internet Day 2021 News
Feb 9, 2021 - Safer Internet Day on 9 February 2021 aims to raise awareness of emerging online issues and share strategies everyone can use for staying secure online.
New OT connectivity principles set a higher security bar for organisations News
Jan 15, 2026 - Our latest guidance outlines 8 principles to secure operational technology connectivity, helping organisations reduce exposure, harden boundaries, and strengthen resilience across industrial environments.
Joint statement - Digital Transformation Agency and Australian Signals Directorate - Secure Internet Gateways update News
Nov 1, 2021 - The Australian Government is further strengthening the ICT systems of Government entities by enhancing its Secure Internet Gateway (SIG) policy and through the Cyber Hubs initiative. The Digital Transformation Agency (DTA) is working on these initiatives with the Australian Signals Directorate’s Australian Cyber Security Centre (ASD’s ACSC).
Australia’s second ever cyber sanction imposed News
May 8, 2024 - Today the Australian Government, along with our international partners, has imposed a targeted financial sanction and travel ban on Russian citizen Dmitriy Khoroshev, for his leadership role in the notorious LockBit ransomware group.
Protect yourself from ransomware Guidance
Feb 12, 2025 - A ransomware attack could block you from accessing your device or the information on it. Take some time to consider how a ransomware attack might affect you.
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.
Back to school with cyber secure devices News
Feb 4, 2022 - As children return to school, Australian parents are urged to make devices like mobile phones and laptop computers more cyber secure and to teach their children about cyber security, with 2022 set to be another year of hybrid learning for most families.
Business Continuity in a Box News
Nov 13, 2023 - The Australian Signals Directorate’s Australian Cyber Security Centre (ASD’s ACSC), in collaboration with the US Cybersecurity and Infrastructure Security Agency (CISA), has published a new tool, Business Continuity in a Box, to help businesses continue basic operations during or after a cyber incident.
Are you protected against ‘fast flux’? News
Apr 4, 2025 - Bulletproof Hosting Providers are using ‘fast flux’ to cycle quickly through bots and DNS records to bypass detection by network defenders and law enforcement agencies.
Update your devices to keep cybercriminals out News
May 3, 2021 - Updating the software on electronic devices is one of the easiest and most important ways all Australians can defend against cybercriminals and be protected from online threats.
Practical cyber security tips for business leaders News
Jan 17, 2024 - Business leaders are at higher risk of a cyber incident due to the information they have access to, the people they interact with and the influence they have.
Microsoft introduces Exchange Emergency Mitigation service News
Oct 1, 2021 - Microsoft has launched a new optional protection for Microsoft Exchange servers.
