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Advisory 2020-004: Remote code execution vulnerability being actively exploited in vulnerable versions of Telerik UI by sophisticated actors   Advisory

May 22, 2020 - This advisory is focused around the targeting of CVE-2019-18935 but has significant overlap to the previously released ACSC 2019-126 advisory.

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.

New guidance for small businesses to protect your devices and accounts   News

Jul 9, 2025 - Follow a list of step-by-step actions to help protect your Apple, Google and Microsoft devices and accounts.

Protect yourself online: A guide to cyber security for young people   Guidance

May 2, 2024 - The steps in this guide can help you navigate the online world with confidence.

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.

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.

Protect your children online: A guide to cyber security for parents and carers   Guidance

May 2, 2024 - The steps in this guide can help you ensure that your children stay safe and secure online.

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 cyber attacks.

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.

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 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 cyber attacks.

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.

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.

Foundations for OT cybersecurity: Asset inventory guidance for owners and operators   Publication

Aug 14, 2025 - This guidance outlines how OT owners and operators can create and maintain an asset inventory and OT taxonomy, to protect their most vital assets. It includes steps for defining scope and objectives for the inventory, identifying assets, collecting attributes, creating a taxonomy, managing data, and implementing asset life cycle management.

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.

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.

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.

Modern defensible architecture   Publication

Oct 23, 2025 - Modern defensible architecture is the first step in Australian Signals Directorate (ASD)’s Australian Cyber Security Centre (ACSC)’s push to ensure that secure architecture and design are being considered and applied by organisations in their cyber security and resilience planning.

Guidelines for cyber security roles   Advice

Mar 17, 2026 - This chapter of the Information security manual (ISM) provides guidance on cyber security roles.

Report and recover from malware   Guidance

Nov 10, 2023 - If you’ve fallen victim to a malware attack, find out what to do and who to contact.