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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.

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.

Protect your children online: A guide to cybersecurity 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 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.

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.

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

Feb 10, 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.

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.

Modern defensible architecture   Publication

Feb 10, 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.

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.

Cyber Security Awareness Month 2025  

Sep 30, 2024 - Take action to protect your networks and digital infrastructure now and into the future.

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.

How to secure your devices  

Nov 29, 2024 - Protect your sensitive data and accounts. Learn how to secure your devices such as your computer, mobile phone and Internet of Things devices.

Guidelines for cybersecurity roles   Advice

Sep 4, 2025 - This chapter of the Information security manual (ISM) provides guidance on cybersecurity roles.

A Shared Vision of Software Bill of Materials (SBOM) for Cybersecurity   Publication

Sep 4, 2025 - This guidance, authored by the U.S. Cybersecurity and Infrastructure Security Agency (CISA) and international partners, presents a shared vision of Software Bill of Materials (SBOM) and the value that increased software component and supply chain transparency can offer to the global community.

New guidance on integrating a Software Bill of Materials (SBOM)   News

Sep 4, 2025 - Get valuable guidance to inform organisations who procure, produce or operate software about the advantages of integrating a Software Bill of Materials (SBOM) into your security processes.

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.

Secure your Wi-Fi and router   Guidance

Oct 29, 2024 - How to make your software, devices and networks harder to access and more resilient to attack.

Recovering a compromised email account   Guidance

Nov 10, 2023 - Email accounts are valuable targets for cybercriminals. Not just because they store sensitive messages, but also because they can be used to impersonate the account owner, to spread scams, and to perform password resets.

Guidelines for cryptography   Advice

Sep 4, 2025 - This chapter of the Information security manual (ISM) provides guidance on cryptography.

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.

Recovering a compromised online account   Guidance

Nov 10, 2023 - Online accounts are important for our day-to-day activities and often store sensitive information about us. This can make them useful for cybercriminals looking to gain access to our resources or identities.

Technical example: Configure macro settings   Publication

Dec 16, 2022 - Configuring macro settings protects an organisation’s systems from malicious macros. Macros are powerful tools. They were introduced to improve productivity however their functionality can also be used by cyber criminals to compromise a user’s system.

Recovering compromised bank accounts and online payment accounts   Guidance

Nov 10, 2023 - Bank accounts are among the most important accounts to us and the most prized accounts to cybercriminals.

Exchange server critical vulnerabilities   Alert

Apr 15, 2021 - On 2 March 2021 Microsoft released information regarding multiple exploits being used to compromise instances of Microsoft Exchange Server. Malicious actors are exploiting these vulnerabilities to compromise Microsoft Exchange servers exposed to the internet, enabling access to email accounts and to enable further compromise of the Exchange server and associated networks.

Gateway security guidance package: Gateway operations and management   Publication

Jul 29, 2025 - This guidance is one part of a package of documents that forms the Australian Signals Directorate (ASD)’s Gateway security guidance package written for audiences responsible for the operation and management of gateways.

Guidelines for cybersecurity incidents   Advice

Sep 4, 2025 - This chapter of the Information security manual (ISM) provides guidance on cybersecurity incidents.