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Introduction to Cross Domain Solutions   Publication

Oct 6, 2021 - This publication introduces technical and non-technical audiences to the concept of a Cross Domain Solution (CDS), a type of security capability that is used to connect discrete systems within separate security domains in an assured manner.

Email security  

Jul 29, 2024 - Protect yourself, your employees and business from an email security incident before it's too late.

Managing the risks of legacy IT: Executive guidance   Publication

Jun 12, 2024 - This publication provides high-level and strategic guidance for an organisation’s executive seeking to manage the risks of legacy IT.

ISM OSCAL releases  

Mar 2, 2023 - List of current and previous ISM releases in the OSCAL format.

Limited Use    Guidance

Dec 3, 2024 - The limited use obligation for the Australian Signals Directorate (ASD) has been legislated to add additional protections to the information organisations voluntarily provide to ASD, and to the information acquired or prepared by ASD with the consent of an organisation.

Bring Your Own Device for executives   Publication

Oct 6, 2021 - Bring Your Own Device (BYOD) scenarios enable organisations to take advantage of new technologies faster. It also has the potential to reduce hardware costs and improve organisational productivity and flexibility. However, BYOD also introduces new risks to an organisation’s business and the security of its information, which need to be carefully considered before implementation.

Planning for critical vulnerabilities: What the board of directors needs to know   Publication

Dec 14, 2023 - This publication provides information on why it is important that the board of directors is aware of and plan for critical vulnerabilities that have the potential to cause major cybersecurity incidents.

Guidelines for evaluated products   Advice

Dec 4, 2025 - This chapter of the Information security manual (ISM) provides guidance on evaluated products.

Cloud assessment and authorisation FAQ   Publication

Jan 18, 2024 - This publication provides answers to frequently asked questions on the Australian Signals Directorate (ASD)’s assessment and authorisation framework for cloud service providers (CSPs) and their cloud services.

Implementing SIEM and SOAR platforms: Executive guidance   Publication

May 27, 2025 - This publication is one of three in a suite of guidance on SIEM and SOAR platforms. It is primarily intended for executives but can be used by any organisation that is considering whether and how to implement a SIEM and/or SOAR.

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Travelling with mobile devices   Publication

Mar 26, 2024 - Learn how to keep mobile devices secure when travelling. This guidance provides advice from both an individual and organisational perspective.

Creating and maintaining a definitive view of your operational technology architecture   Publication

Oct 28, 2025 - How organisations who deploy or operate operational technology systems should build, maintain and store their systems understanding.

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.

Hardening Linux workstations and servers   Publication

Nov 27, 2023 - This publication has been developed to assist organisations in understanding how to harden Linux workstations and servers.

Security considerations for edge devices   Publication

Feb 5, 2025 - Edge devices are an important part of many enterprise computing systems. They allow connection across various devices that aid in productivity. However, just like with all technology they are not without their vulnerabilities. Edge devices require attention and diligence to keep data safe and secure.

Guidelines for information technology equipment   Advice

Dec 4, 2025 - This chapter of the Information security manual (ISM) provides guidance on information technology equipment.

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.

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.

Guidelines for system hardening   Advice

Dec 4, 2025 - This chapter of the Information security manual (ISM) provides guidance on system hardening.