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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.
SDBBot targeting health sector Alert
Nov 12, 2020 - The Australian Signals Directorate’s Australian Cyber Security Centre (ASD’s ACSC) has observed increased targeting activity against the Australian health sector by actors using the SDBBot Remote Access Tool (RAT).
PRC state-sponsored cyber group APT40’s expanding tradecraft and tactics News
Jul 9, 2024 - The Australian Signals Directorate’s Australian Cyber Security Centre (ASD’s ACSC) has released a new joint advisory with international partners on the People’s Republic of China (PRC) Ministry of State Security (MSS) tradecraft in action.
Web hardening
Dec 2, 2020 - This page lists publications on the hardening of services that can be accessed via the World Wide Web.
Secure-by-Design Foundations News
Jul 31, 2024 - The Australian Signals Directorate’s Australian Cyber Security Centre (ASD's ACSC) has released updated guidance to help technology manufacturers and those who use their digital product or service to adopt secure-by-design principles.
2020-001-4: Remediation for critical vulnerability in Citrix Application Delivery Controller and Citrix Gateway Advisory
Jan 13, 2020 - On 19 January 2020, Citrix released patches for two versions of the Citrix Application Delivery Controller (ADC) and Citrix Gateway appliances. Citrix expects to have patches available across all supported versions of Citrix ADC, Citrix Gateway and Citrix SD-WAN WANOP before the end of January 2020.
Cloud services Program
Feb 24, 2023 - The Cloud Services Certification Program (CSCP) ceased on 2 March 2020. The Australian Signals Directorate’s Australian Cyber Security Centre (ASD’s ACSC) ceased the Certified Cloud Services List (CCSL) on 27 July 2020 and concurrently released the Cloud Security Guidance package.
New domain name changes could leave your business or organisation at risk Alert
Mar 23, 2022 - The new domain name category, could leave your business or organisation open to fraudulent cyber activity. Register your .au domain name before it becomes available to the general public.
Malicious insiders Threat
Jun 23, 2020 - Malicious insiders can be employees, former employees, contractors or business associates who have legitimate access to your systems and data, but use that access to destroy data, steal data or sabotage your systems. It does not include well-meaning staff who accidentally put your cyber security at risk or spill data.
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.
Gateway security guidance package: Gateway technology guides Publication
Jul 29, 2025 - This guidance is one part of a package of documents that forms the gateway security guidance package. When designing, procuring, operating, maintaining or disposing of a gateway, it is important to consider all the documents from the gateway security guidance package at different stages of governance, design and implementation, and not to consume this guidance in isolation.
Preparing for and responding to denial-of-service attacks Publication
Mar 17, 2025 - Although organisations cannot avoid being targeted by denial-of-service attacks, there are a number of measures that organisations can implement to prepare for and potentially reduce the impact if targeted. Preparing for denial-of-service attacks before they occur is by far the best strategy, it is very difficult to respond once they begin and efforts at this stage are unlikely to be effective.
MSP Investigation Report Reports and statistics
Dec 21, 2018 - The Australian Signals Directorate’s Australian Cyber Security Centre (ASD’s ACSC) investigation report details the theft of commercial secrets, data and information from the Australian arm of a multinational construction services company via their Managed Service Provider.
Shop online securely this holiday season News
Nov 8, 2023 - The holiday season is fast approaching and more Australian’s than ever are shopping online. The Australian Signals Directorate’s Australian Cyber Security Centre (ASD's ACSC) are reminding Australians to be cyber secure when shopping online.
Be Ready - auDA Domain Name Changes News
Mar 23, 2022 - The new domain name category could leave your business or organisation open to fraudulent cyber activity, such as business email compromise.
Summary of Tactics, Techniques and Procedures Used to Target Australian Networks Advisory
May 20, 2020 - This advisory provides information on methods to detect many of the TTPs listed. Partners are strongly encouraged to review their environments for the presence of the exploited vulnerabilities and provided TTPs.
Implementing certificates, TLS, HTTPS and opportunistic TLS Publication
Oct 6, 2021 - Transport Layer Security (TLS) is a widely used encryption protocol which enables parties to communicate securely over the internet. Through the use of certificates and Public Key Infrastructure (PKI), parties can identify each other through a trusted intermediary and establish encrypted tunnels for the secure transfer of information.
Guidelines for cyber security incidents Advice
Dec 4, 2025 - This chapter of the Information security manual (ISM) provides guidance on cyber security incidents.
The Commonwealth Cyber Security Posture in 2023 Reports and statistics
Nov 16, 2023 - The Commonwealth Cyber Security Posture in 2023 informs Parliament on the implementation of cyber security measures across the Australian Government for the 2022–23 financial year. According to the Flipchart of PGPA Act Commonwealth entities and companies, as of 30 June 2023 the Australian Government comprised 100 non-corporate Commonwealth entities (NCEs), 72 corporate Commonwealth entities (CCEs) and 17 Commonwealth companies (CCs); totalling 189 Australian government entities.
Use our new guidance to create and maintain a definitive view of your organisation’s Operational Technology (OT) architecture News
Oct 28, 2025 - Apply the 5 key principles of this guidance to build a holistic understanding of your operational technology (OT) systems and design appropriate, effective cyber security controls.
