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Cyber threat actors compromising networks of major global telecommunications providers News
Dec 4, 2024 - New guidance is available for network defenders of communications infrastructure to strengthen visibility and harden devices against PRC-affiliated and other malicious cyber actors.
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.
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.
Technical example: Restrict administrative privileges Publication
Dec 16, 2022 - Privileged account credentials are prized by cybercriminals because they provide extensive access to high value assets within a network. Restricting privileged access to only users with a demonstrated business need is essential to protecting your environment.
Increase in denial-of-service (DoS) attacks against Australian organisations Advisory
Mar 17, 2025 - ASD's ACSC is aware of an increase in denial-of-service (DoS) attacks, where malicious actors flood websites with internet traffic, making it difficult for legitimate users to access them.
Countering Chinese State-Sponsored Actors Compromise of Networks Worldwide to Feed Global Espionage System Advisory
Aug 28, 2025 - This joint cyber security advisory gives vital insights on People’s Republic of China (PRC) state-sponsored cyber threat actors, how they gain and maintain persistent access, and the capabilities they have. It provides threat hunting guidance and mitigation strategies to help safeguard your networks.
Log4j: What Boards and Directors Need to Know Advisory
Jan 7, 2022 - Log4j is a software library used as a building block found in a wide variety of Java applications. The Log4j vulnerability – otherwise known as Log4Shell – is trivial to exploit, and represents a significant business continuity risk. This publication outlines what Boards and Directors need to know in order to protect their businesses.
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.
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.
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.
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.
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.
Cloud assessment and authorisation Publication
Jan 18, 2024 - This publication is co-designed with industry to support the secure adoption of cloud services across government and industry.
Scattered Spider Advisory
Jul 30, 2025 - This joint Cybersecurity Advisory is in response to recent activity by Scattered Spider threat actors against the commercial facilities sectors, subsectors, and other sectors. This advisory provides tactics, techniques, and procedures (TTPs) obtained through FBI investigations as recently as June 2025
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.
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.
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.
Security configuration guide: Viasat Mobile Dynamic Defense Publication
Oct 6, 2021 - ASD has developed this guide to assist Australian’s to understand risks when deploying Viasat MDD devices and the security requirements that need to be met to allow them to handle classified data.
Cloud shared responsibility model: Guidance for individuals and small and medium businesses Publication
Oct 20, 2025 - This publication is for individuals and small and medium businesses that use or plan to use a cloud service. It explains what the shared responsibility model (SRM) is, and how responsibility for cloud security is shared between you and the cloud service provider (CSP).
An introduction to artificial intelligence Publication
Nov 24, 2023 - Artificial intelligence (AI) is an emerging technology that will play an increasingly influential role in the everyday life of Australians.
