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2021 Top Malware Strains Advisory
Aug 5, 2022 - This joint Cybersecurity Advisory (CSA) was coauthored by the Cybersecurity and Infrastructure Security Agency (CISA) and the Australian Signals Directorate’s Australian Cyber Security Centre (ASD’s ACSC).
Cyber security incident response
Apr 12, 2024 - This page lists publications on preparing for and responding to cyber security incidents.
Safe software deployment: How software manufacturers can ensure reliability for customers Publication
Oct 25, 2024 - It is critical for all software manufacturers to implement a safe software deployment program supported by verified processes, including robust testing and measurements.
Vulnerability planning
Sep 3, 2025 - Resources to help organisations plan for, and manage, critical vulnerabilities effectively.
"Bulletproof" hosting providers Publication
Jan 22, 2025 - Bulletproof hosting (BPH) providers lease cybercriminals a virtual and/or physical infrastructure from which to operate. BPH providers are a specific class of internet infrastructure service that enables malicious actors (including cybercriminals) to host illicit content and run operations on the internet.
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.
Report and recover from ransomware Guidance
Jul 14, 2023 - Learn where to get help from a ransomware attack, and steps to protect yourself against future incidents.
Ten things to know about data security Publication
May 16, 2024 - This publication has been developed to assist business owners and information technology managers, particularly those unfamiliar with cybersecurity, with ten things they should know about data security.
Artificial intelligence and machine learning pose new cyber security risks to supply chains News
Oct 16, 2025 - New publication for organisations on the importance of AI and ML supply chain security.
ABC Radio interview with Head of ACSC News
Mar 31, 2021 - Abigail Bradshaw CSC, Head of Australian Cyber Security Centre, interview with Fran Kelly on ABC Radio National, 31 March 2021.
Mitigating Log4Shell and Other Log4j-Related Vulnerabilities Advisory
Dec 23, 2021 - Malicious cyber actors are actively scanning networks to potentially exploit Log4Shell, CVE-2021-45046, and CVE-2021-45105 in vulnerable systems. According to public reporting, Log4Shell and CVE-2021-45046 are being actively exploited. This joint Cybersecurity Advisory is to provide mitigation guidance on addressing vulnerabilities.
Report and recover from a data breach Guidance
Jul 14, 2023 - A data breach occurs when sensitive or personal information is accessed, disclosed or exposed to unauthorised people.
The Silent Heist: Cybercriminals use information stealer malware to compromise corporate networks News
Sep 2, 2024 - New advisory released on information stealer malware used in cybercrime attacks.
Guidelines for gateways Advice
Dec 4, 2025 - This chapter of the Information security manual (ISM) provides guidance on gateways.
Guidelines for cryptography Advice
Dec 4, 2025 - This chapter of the Information security manual (ISM) provides guidance on cryptography.
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.
Update your devices
Jan 25, 2023 - Updates are new, improved, or fixed versions of software. Regular updates are critical in maintaining a secure system. It's important to check for any updates and make sure that automatic updates are switched on.
COVID-19 themed malicious cyber activity Advisory
Mar 27, 2020 - This update is designed to raise awareness of increasing COVID-19 themed malicious cyber activity, and provide practical cyber security advice that organisations and individuals can follow to reduce the risk of being impacted.
Modern defensible architecture Publication
Oct 23, 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.
Protect your cryptographic keys and secrets from malicious cyber actors News
Aug 26, 2025 - New guidance available for organisations using cryptographic keys and secrets.
