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Turn on multi-factor authentication  

Nov 9, 2022 - Protect your important accounts with extra login steps.

Ransomware Playbook   Guidance

Oct 10, 2024 - This interactive guide is here to assist you with taking all of the appropriate steps to prepare for, respond to and recover from a ransomware incident.

Report and recover  

Respond to cyber threats and take steps to protect yourself from further harm.

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.

Report and recover from ransomware   Guidance

Jul 14, 2023 - Learn where to get help from a ransomware attack, and steps to protect yourself against future incidents.

Foundations for modern defensible architecture   Publication

Oct 23, 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.

Secure your Apple macOS device   Guidance

Nov 29, 2024 - Your Apple macOS device often holds your most important data. Use these simple steps to protect your device from cyberattacks.

Educational pack for seniors   Guidance

Jun 23, 2023 - This educational pack provides engaging content to help seniors learn how to stay cyber secure. Practical steps and topics range from a basic to advanced level.

Secure your Microsoft Windows device   Guidance

Nov 29, 2024 - Your Microsoft Windows device often holds your most important data. Use these simple steps to protect your device from cyberattacks.

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.

The case for memory safe roadmaps   Publication

Dec 7, 2023 - This guidance provides manufacturers with steps to create memory safe roadmaps and implement changes to eliminate memory safety vulnerabilities from their products.

Preventing business email compromise   Guidance

Apr 11, 2023 - There are many easy steps and actions you can take now to protect your business. Learn about the simple, cost-effective and immediately beneficial protective measures you can implement.

If things go wrong   Guidance

If you think you're a victim of a scam, there are steps you can take to protect yourself from further harm.

Securing PowerShell in the enterprise   Publication

Oct 6, 2021 - This publication describes a maturity framework for PowerShell, balancing the security and business requirements of organisations. This framework enables organisations to take incremental steps towards securing PowerShell across their environment.

Secure your NAS device   Guidance

Nov 29, 2024 - Protect your network-attached storage (NAS) device and the important data it holds with this guide.

Securing customer personal data   Guidance

Jul 23, 2025 - This guide is focused specifically on the protection of customers’ personal data. Guidance on general cybersecurity for businesses can be found in the Small business cybersecurity guide and the Strategies to mitigate cybersecurity incidents published by ASD’s ACSC.

So you think you've been hacked  

Sep 1, 2022 - Use our interactive tool to find out what to do learn what steps to take if you think you’re the a victim of a cybercrime.

Protect yourself: Multi-factor authentication   Guidance

Dec 5, 2025 - Multi-factor authentication (MFA) is when you use two or more different types of actions to verify your identity.

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.

Microsoft Exchange Server security best practices   Publication

Oct 31, 2025 - This paper—authored by the National Security Agency (NSA), Cybersecurity and Infrastructure Security Agency (CISA), Australian Signals Directorate’s Australian Cyber Security Centre (ASD’s ACSC), and Canadian Centre for Cyber Security (Cyber Centre)—provides security best practices for administrators on hardening on-premises (on-prem) Exchange.