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Exploring Memory Safety in Critical Open Source Projects   Publication

Jun 27, 2024 - This publication follows the December 2023 release of The Case for Memory Safe Roadmaps, which recommended software manufacturers create memory safe roadmaps, including plans to address memory safety in external dependencies, which commonly include open source software (OSS). Today’s publication provides a starting point for these roadmaps by investigating the scale of memory safety risk in selected OSS.

Cyber Incident Management Arrangements for Australian Governments   Publication

Sep 18, 2023 - The CIMA provides Australian governments with guidance on how they will collaborate in response to, and reduce the harm associated with, national cyber incidents.

Vulnerability disclosure programs explained   Publication

Dec 12, 2024 - A vulnerability disclosure program (VDP) is a collection of processes and procedures designed to identify, verify, resolve and report on vulnerabilities disclosed by people who may be internal or external to organisations. The importance of developing, implementing and maintaining a well thought-out VDP cannot be underestimated. It is an integral part of professional organisations’ business operations.

Guidelines for secure AI system development   Publication

Nov 27, 2023 - This document recommends guidelines for providers of any systems that use artificial intelligence (AI), whether those systems have been created from scratch or built on top of tools and services provided by others. This document is aimed primarily at providers of AI systems who are using models hosted by an organisation, or are using external application programming interfaces (APIs).

Infamous Chisel   Advisory

Aug 31, 2023 - Malware Analysis Report.
A collection of components designed to enable remote access and exfiltrate information from Android phones.

2021-007: Log4j vulnerability – advice and mitigations   Advisory

Dec 29, 2021 - On 10 December 2021, ASD's ACSC released an alert relating to a serious vulnerability in versions of the Log4j Java logging library. Malicious cyber actors are using this vulnerability to target and compromise systems globally and in Australia. The ASD's ACSC is working with a significant number of victims and affected vendors across all sectors of the economy.

Guidelines for cybersecurity incidents   Advice

Jul 3, 2025 - This chapter of the Information security manual (ISM) provides guidance on cybersecurity incidents.

Contact us  

Feb 25, 2023 - Contact ASD's ACSC for general enquiries and media enquiries.

Securing edge devices  

Feb 4, 2025 - Malicious actors often target internet-facing edge devices to gain unauthorised access to enterprise networks. Learn how to secure edge devices such as routers, firewalls and VPN concentrators.

Secure your social media   Guidance

Jul 29, 2024 - Keep your social media secure by using these tips. Learn how to protect your accounts, privacy and information.

Supply chain compromise of 3CX DesktopApp   Alert

Mar 31, 2023 - The Australian Signals Directorate’s Australian Cyber Security Centre (ASD’s ACSC) is aware of a reported supply chain compromise affecting the 3CX DesktopApp, allowing malicious actors to conduct multi-stage attacks against users of the legitimate software. Australian users of affected versions of 3CX DesktopApp should immediately follow the vendor’s advice and investigate for signs of malicious activity.

Strategies to mitigate cybersecurity incidents   Publication

Feb 1, 2017 - The Australian Signals Directorate (ASD) has developed prioritised mitigation strategies to help organisations mitigate cybersecurity incidents caused by various cyberthreats. This guidance addresses targeted cyber intrusions (i.e. those executed by advanced persistent threats such as foreign intelligence services), ransomware and external adversaries with destructive intent, malicious insiders, ‘business email compromise’, and industrial control systems.

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.

Content Credentials: Strengthening Multimedia Integrity in the Generative AI Era   Publication

Jan 30, 2025 - This cybersecurity information sheet discusses how Content Credentials (especially Durable ones) can be valuable to protect the provenance of media, raises awareness of the state of this solution, provides recommended practices to ensure the preservation of provenance, and discusses the importance of widespread adoption across the information ecosystem.

Identifying and Mitigating Living Off the Land Techniques   Advisory

Feb 8, 2024 - This Guide, authored by the U.S. Cybersecurity and Infrastructure Security Agency (CISA), National Security Agency (NSA), Federal Bureau of Investigation (FBI), and the following agencies (hereafter referred to as the authoring agencies), provides information on common living off the land (LOTL) techniques and common gaps in cyber defense capabilities.

Joint advisory released for Managed Service Providers and Customers to mitigate cybersecurity risks   News

May 12, 2022 - The Australian Signals Directorate’s Australian Cyber Security Centre (ASD’s ACSC) has today joined with international cyber security agency partners, to warn Managed Service Providers (MSP) of pressing cyber risks and provide guidance on suitable mitigations for them and their customers.

ASD’s role in cybersecurity: For legal practitioners   Guidance

Dec 11, 2024 - During a cybersecurity incident, or suspected cybersecurity incident, our goal is to work with impacted organisations, their legal representation, and any external vendors engaged to investigate an incident on behalf of the organisation.

Geo-blocking in context: Realities, risks and recommendations   Publication

May 19, 2025 - This guidance is intended for decision makers and cybersecurity practitioners. It highlights what to be aware of when identifying the source of a threat and the potential implications of geo-blocking in a broader cybersecurity strategy.

Vulnerability Affecting BlackBerry QNX RTOS   Advisory

Aug 17, 2021 - The Australian Signals Directorate’s Australian Cyber Security Centre (ASD’s ACSC) is aware of a vulnerability affecting the BlackBerry QNX, the world’s most prevalent real time operating system.

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.

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.

Cloud computing security for tenants   Publication

Jan 18, 2024 - This publication is designed to assist an organisation’s cybersecurity team, cloud architects and business representatives to jointly perform a risk assessment and use cloud services securely.

Personal cybersecurity: Advanced steps guide   Guidance

Mar 23, 2023 - The third and final cybersecurity guide in the personal cybersecurity series is designed to help everyday Australians understand an advanced level of cybersecurity and how to take action to protect themselves from cyberthreats.

First Nations Business Resources   Guidance

Jan 5, 2023 - Cybercriminals are finding new ways to target First Nations businesses all the time. There are a few simple things you can do to keep yourself and your business secure online.

Email hardening  

Apr 11, 2023 - This page lists publications on the hardening of message exchange via electronic mail.

Small Business Cloud Security Guides: Executive Overview   Publication

Dec 16, 2022 - In recognition of the increasing prevalence of cloud computing, the Australian Cyber Security Centre (ACSC) has published the Small business cloud security guides. These guides are designed to provide protection against cybersecurity incidents while remaining accessible to organisations which may not have the resources and expertise to implement a more sophisticated strategy.

PRC State-Sponsored Cyber Activity   Advisory

Mar 20, 2024 - This fact sheet provides an overview for executive leaders on the urgent risk posed by People’s Republic of
China (PRC) state-sponsored cyber actors known as "Volt Typhoon."

Gateway security guidance package: Gateway operations and management   Publication

Jul 29, 2022 - 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.

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.

Mergers, acquisitions and Machinery of Government changes   Publication

Jun 10, 2022 - This publication provides guidance on strategies that organisations can apply during mergers, acquisitions and Machinery of Government changes.