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Managed service providers: How to manage risk to customer networks   Publication

Oct 6, 2021 - There are several mitigation strategies that managed service providers can implement to protect their own networks and manage the security risks posed to their customers’ networks.

Do you purchase technology for your organisation?   News

Dec 5, 2024 - Updated guidance and new guidance for executives now available for Choosing secure and verifiable technologies.

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.

Technical example: User application hardening   Publication

Dec 16, 2022 - User application hardening protects an organisation from a range of threats including malicious websites, advertisements running malicious scripts and exploitation of vulnerabilities in unsupported software. These attacks often take legitimate application functionality and use it for malicious purposes. User application hardening makes it harder for cybercriminals to exploit vulnerabilities or at-risk functionality in your organisation’s applications.

Best practices for event logging and threat detection   Publication

Aug 22, 2024 - This publication defines a baseline for event logging best practices to mitigate cyberthreats.

Security configuration guide: Apple iOS 14 devices   Publication

Oct 6, 2021 - ASD has developed this guide to assist Australians to understand risks when deploying iOS 14 devices and the security requirements that need to be met to allow them to handle classified data.

Personal cyber security: Advanced steps guide   Guidance

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

New Secure-by-Design publication released in collaboration with international partners   News

May 15, 2024 - Today, the Australian Signals Directorate has released a new Secure-by-Design advisory, Choosing Secure and Verifiable Technologies, developed and co-sealed with our Five Eyes partners.

The Case for Memory Safe Roadmaps – Joint Cyber Security Guide   News

Dec 7, 2023 - In partnership with our international partners we released a joint cyber security guidance on Secure-by-Design memory safe roadmaps.

APT40 Advisory   Advisory

Jul 9, 2024 - This advisory, authored by the Australian Signals Directorate’s Australian Cyber Security Centre and international partners, outlines a People’s Republic of China (PRC) state-sponsored cyber group and their current threat to Australian networks.

Increased Global Ransomware Threats   Alert

Feb 10, 2022 - In 2021, cybersecurity authorities in the United States, Australia, and the United Kingdom observed an increase in sophisticated, high-impact ransomware incidents against critical infrastructure organizations globally.

The Commonwealth Cyber Security Posture in 2022   Reports and statistics

Dec 16, 2022 - The Commonwealth Cyber Security Posture in 2022 (the report) informs Parliament on the implementation of cybersecurity measures across the Commonwealth government, for the period January 2021 to June 2022. As of June 2022, the Commonwealth comprised 97 non-corporate Commonwealth entities (NCCEs), 71 corporate Commonwealth entities (CCEs) and 17 Commonwealth companies (CCs).

Cyber Security Awareness Month 2023   News

Sep 25, 2023 - October is Cyber Security Awareness Month, a time for all Australians to improve their cyber security knowledge and take action to protect their information and devices.

Network hardening  

Apr 11, 2023 - This page lists publications on the hardening of network infrastructure.

2021-010: ASD's ACSC Ransomware Profile - Conti   Advisory

Mar 4, 2022 - Conti is a ransomware variant first observed in early 2020, used by cybercriminals to conduct ransomware attacks against multiple sectors and organisations worldwide, including Australia. Conti is offered as a Ransomware-as-a-Service (RaaS), enabling affiliates to utilise it as desired, provided that a percentage of the ransom payment is shared with the Conti operators as commission. This product provides information related to Conti’s background, threat activity, and mitigation advice.

IRAP application form   Program page

May 7, 2024 - IRAP application form

ASD's ACSC Annual Cyber Threat Report, July 2019 to June 2020   Reports and statistics

Sep 3, 2020 - This report has been jointly produced by the Australian Signals Directorate’s Australian Cyber Security Centre (ASD’s ACSC), the ACIC and the AFP, and is the first unclassified annual threat report since the ASD's ACSC became part of the ASD in July 2018. The report identifies and describes key cyber security threats targeting Australian systems and networks, and provides a range of examples and real-world case studies of malicious activity targeting Australian networks, between July 2019 and June 2020. It provides mitigation advice that all Australians and organisations can take to defend against these threats.

High Assurance Evaluation Program   Program page

Aug 18, 2022 - The Australian Signals Directorate’s High Assurance Evaluation Program involves rigorous analysis and testing to search for any security vulnerabilities in products.

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.

Defending against the malicious use of the Tor network   Publication

Oct 6, 2021 - The Tor network is a system that conceals a user’s IP address. It allows anonymous – and often malicious – communication. This guidance shares advice on how to detect and prevent traffic from the Tor network.

#StopRansomware: Play ransomware   Advisory

Jun 5, 2025 - This joint Cybersecurity Advisory (CSA) is part of an ongoing #StopRansomware effort to publish advisories for network defenders that detail various ransomware variants and ransomware threat actors.

Protecting Against Cyber Threats to Managed Service Providers and their Customers   Advisory

May 12, 2022 - This advisory describes cybersecurity best practices for information and communications technology (ICT), focusing on guidance that enables transparent discussions between MSPs and their customers on securing sensitive data.

Critical Vulnerability in popular Java framework Apache Struts2   Alert

Dec 14, 2023 - The Australian Signals Directorate’s Australian Cyber Security Centre (ACSC) is concerned about a critical Remote Code Execution (RCE) vulnerability in Apache Struts2. This primarily affects Java applications which use this framework. Apache Struts2 is widely used in enterprise and bespoke Java applications.

Cybersecurity for charities and not-for-profits   Guidance

Mar 12, 2024 - How to avoid common cyberthreats and protect your mission .

The silent heist: cybercriminals use information stealer malware to compromise corporate networks   Advisory

Sep 2, 2024 - Information stealer malware steals user login credentials and system information that cyber threat actors exploit, predominantly for monetary gain. Information stealers have been observed in attacks against multiple organisations and sectors worldwide, including Australia. This advisory provides readers with cyber security guidance on information stealers, including threat activity and mitigation advice for individuals and organisations.

2022 Top Routinely Exploited Vulnerabilities   Advisory

Aug 4, 2023 - This advisory provides details on the Common Vulnerabilities and Exposures (CVEs) routinely and frequently exploited by malicious cyber actors in 2022 and the associated Common Weakness Enumeration(s) (CWE).

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.

Guidelines for procurement and outsourcing   Advice

Sep 4, 2025 - This chapter of the Information security manual (ISM) provides guidance on procurement and outsourcing activities.

Protect yourself from ransomware   Guidance

Feb 12, 2025 - A ransomware attack could block you from accessing your device or the information on it. Take some time to consider how a ransomware attack might affect you.

Restricting administrative privileges   Publication

Nov 27, 2023 - Learn how to restrict the use of administrative privileges. Restricting administrative privileges forms part of the Essential Eight from the Strategies to mitigate cybersecurity incidents.