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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.

Safe Software Deployment   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.

Cybersecurity incident response planning: Practitioner guidance   Publication

Dec 12, 2024 - ASD defines a cybersecurity incident as an unwanted or unexpected cybersecurity event, or a series of such events, that has either compromised business operations or has a significant probability of compromising business operations.

Principles of operational technology cybersecurity   Publication

Oct 2, 2024 - Critical infrastructure organisations provide vital services, including supplying clean water, energy, and transportation, to the public. These organisations rely on operational technology (OT) to control and manage the physical equipment and processes that provide these critical services. As such, the continuity of vital services relies on critical infrastructure organisations ensuring the cybersecurity and safety of their OT.

Business Continuity in a Box   Guidance

Aug 21, 2024 - Business Continuity in a Box assists organisations to swiftly and securely stand up critical business functions during or following a cybersecurity incident that has affected the availability or trust of existing systems.

Preventing Web Application Access Control Abuse   Advisory

Jul 28, 2023 - The Australian Cyber Security Centre (ACSC), U.S. Cybersecurity and Infrastructure Security Agency (CISA), and U.S. National Security Agency (NSA) are releasing this joint Cybersecurity Advisory to warn vendors, designers, and developers of web applications and organizations using web applications about insecure direct object reference (IDOR) vulnerabilities.

Joint Advisory on Technical Approaches to Uncovering and Remediating Malicious Activity   Advisory

Sep 2, 2020 - The purpose of this report is to enhance incident response among partners and network administrators along with serving as a playbook for incident investigation.

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.

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.

Implementing SIEM and SOAR platforms   Guidance

May 27, 2025 - SIEM and SOAR platforms can greatly benefit your organisation by collecting, centralising, and analysing important data, detecting cyber security events and incidents and prompting timely intervention.

People's Republic of China State-Sponsored Cyber Actor Living off the Land to Evade Detection   Advisory

May 25, 2023 - The People's Republic of China State-Sponsored Cyber Actor Living off the Land to Evade Detection joint advisory provides examples of the cyber actor’s commands, along with detection signatures to aid network defenders in hunting for this activity.

Implementing SIEM and SOAR platforms: Practitioner guidance   Publication

May 27, 2025 - This publication provides high-level guidance for cyber security practitioners on Security Information and Event Management (SIEM) and Security Orchestration, Automation, and Response (SOAR) platforms.

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.

Russian State-Sponsored and Criminal Cyber Threats to Critical Infrastructure   Advisory

May 17, 2022 - The cybersecurity authorities of the United States, Australia, Canada, New Zealand, and the United Kingdom are releasing this joint Cybersecurity Advisory (CSA). The intent of this joint CSA is to warn organizations that Russia’s invasion of Ukraine has altered the geopolitical balance in ways that could expose organizations both within and beyond the region to increased malicious cyber activity. This activity may occur as a response to the unprecedented economic costs imposed on Russia as well as materiel support provided by the United States and U.S. allies and partners.

Ransomware   Threat

Read through the following case studies and learn from other Australians about how ransomware has affected them.

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.

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.

PRC state-sponsored actors compromise and maintain persistent access to U.S. critical infrastructure   Advisory

Feb 8, 2024 - The Cybersecurity and Infrastructure Security Agency (CISA), National Security Agency (NSA), and Federal Bureau of Investigation (FBI) assess that People’s Republic of China (PRC) state sponsored cyber actors are seeking to preposition themselves on IT networks for disruptive or destructive cyberattacks against U.S. critical infrastructure in the event of a major crisis or conflict with the United States.

Understanding Ransomware Threat Actors: LockBit   Advisory

May 8, 2024 - The Australian Signals Directorate’s Australian Cyber Security Centre (ASD's ACSC) alongside international partners have released a joint advisory on the ransomware variant LockBit. It functions as an affiliate-based Ransomware-as-a-Service (RaaS) model where affiliates are recruited to conduct ransomware attacks using LockBit ransomware tools and infrastructure.

Shifting the Balance of Cybersecurity Risk   Publication

Oct 17, 2023 - The Cybersecurity and Infrastructure Security Agency (CISA), National Security Agency (NSA), Federal Bureau of Investigation (FBI), the Australian Signals Directorate’s Australian Cyber Security Centre (ASD’s ACSC) and the following international partners provide the recommendations in this guide as a roadmap for technology manufacturers to ensure security of their products.

Home  

Jul 19, 2022 - Welcome to the Australian Cyber Security Centre website - cyber.gov.au

ASD Cyber Threat Report 2022-2023   Reports and statistics

Nov 14, 2023 - The ASD's Cyber Threat Report is ACSC’s flagship unclassified publication. The Report provides an overview of key cyber threats impacting Australia, how the ACSC is responding to the threat environment, and crucial advice for Australian individuals and organisations to protect themselves online

ASD's ACSC Annual Cyber Threat Report, July 2021 to June 2022   Reports and statistics

Nov 4, 2022 - The Annual Cyber Threat Report is the Australian Signals Directorate’s Australian Cyber Security Centre's (ASD’s ACSC) flagship unclassified publication. The Report provides an overview of key cyberthreats impacting Australia, how the ACSC is responding to the threat environment, and crucial advice for Australian individuals and organisations to protect themselves online.