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2023-03: ASD's ACSC Ransomware Profile – Lockbit 3.0 Advisory
Jun 15, 2023 - The Australian Signals Directorate’s Australian Cyber Security Centre (ASD’s ACSC) is aware of Lockbit 3.0 which is the newest version of Lockbit ransomware. It is used by cybercriminals to conduct ransomware attacks against multiple sectors and organisations worldwide, including Australia. Once gaining access to a victim’s environment, cybercriminals use this ransomware for similar purposes as other variants such as encrypting their data, and extorting a ransom to return access to the sensitive files.
Guidelines for personnel security Advice
Jul 3, 2025 - This chapter of the Information security manual (ISM) provides guidance on personnel security.
The Case for Memory Safe Roadmaps Publication
Dec 7, 2023 - This guidance provides manufacturers with steps to create memory safe roadmaps and implement changes to eliminate memory safety vulnerabilities from their products.
Cybersecurity terminology Advice
Jul 3, 2025 - This chapter of the Information security manual (ISM) provides guidance on cybersecurity terminology.
Using remote desktop clients Publication
Oct 6, 2021 - Remote access solutions are increasingly being used to access organisations’ systems and data. One common method of enabling remote access is to use a remote desktop client. This publication provides guidance on security risks associated with the use of remote desktop clients.
Cybersecurity principles Advice
Jul 3, 2025 - Follow the Information security manual (ISM)'s cybersecurity principles to protect information technology and operational technology systems, applications and data from cyberthreats.
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.
End of support for Microsoft Windows and Microsoft Windows Server Publication
Mar 20, 2024 - Support for Microsoft Windows and Microsoft Windows Server users following the expiration of the specified servicing timeline.
Securing PowerShell in the enterprise Publication
Oct 6, 2021 - This publication describes a maturity framework for PowerShell, balancing the security and business requirements of organisations. This framework enables organisations to take incremental steps towards securing PowerShell across their environment.
Mitigation strategies for edge devices: Practitioner guidance Publication
Feb 4, 2025 - This publication expands on Mitigation strategies for edge devices: executive guidance. It provides IT practitioners with a list of mitigation strategies for the most common types of edge devices and appliances across enterprise networks and large organisations.
Feb 25, 2023 - Contact ASD's ACSC for general enquiries and media enquiries.
Choosing secure and verifiable technologies Publication
Dec 5, 2024 - The Australian Signals Directorate’s Australian Cyber Security Centre (ASD’s ACSC) and international partners have provided recommendations in this guide as a roadmap for choosing secure and verifiable technologies.
2023-01: ASD's ACSC Ransomware Profile - Royal Advisory
Jan 24, 2023 - The Australian Signals Directorate's Australian Cyber Security Centre (ASD's ACSC) is aware of a ransomware variant called Royal, which is being used by cybercriminals to conduct ransomware attacks against multiple sectors and organisations worldwide, including Australia. Once gaining access to a victim’s environment, cybercriminals use this ransomware for similar purposes to other variants such as encrypting their data and extorting a ransom to return access to the sensitive files.
The Commonwealth Cyber Security Posture in 2024 Reports and statistics
Dec 5, 2024 - The Commonwealth Cyber Security Posture in 2024 informs the Australian Parliament on cybersecurity measures implemented across the Australian Government for the 2023–24 financial year.
Essential Eight maturity model FAQ Publication
Oct 28, 2024 - This publication provides answers to frequency asked questions on how to implement the Essential Eight.
Strategies to mitigate cybersecurity incidents: Mitigation details Publication
Feb 1, 2017 - The Australian Signals Directorate (ASD) has developed prioritised mitigation strategies to help cybersecurity professionals in all organisations mitigate cybersecurity incidents caused by various cyberthreats. This guidance addresses targeted cyber intrusions (i.e. those executed by advanced persistent threats such as foreign intelligence services), ransomware and external adversaries with destructive intent, malicious insiders, ‘business email compromise’, and industrial control systems.
Secure administration Publication
Oct 6, 2021 - Privileged access allows administrators to perform their duties, and is often seen as the ‘keys to the kingdom’. This publication provides guidance on how to implement secure administration techniques as part of the management of privileged access.
Detecting and mitigating Active Directory compromises Publication
Jan 22, 2025 - This publication provides an overview of techniques used to compromise Active Directory, and recommended strategies to mitigate these techniques. By implementing the recommendations in this publication, organisations can significantly improve their Active Directory security, and therefore their overall network security posture.
Guidelines for database systems Advice
Jul 3, 2025 - This chapter of the Information security manual (ISM) provides guidance on database systems.
Securing customer personal data Guidance
Jul 30, 2024 - This guide is focused specifically on the protection of customers’ personal data. Guidance on general cybersecurity for businesses can be found in the Small business cybersecurity guide and the Strategies to mitigate cybersecurity incidents published by ASD’s ACSC.
Fundamentals of Cross Domain Solutions Publication
Oct 6, 2021 - This publication introduces technical and non-technical audiences to cross domain security principles for securely connecting security domains.
Mitigation strategies for edge devices: Executive guidance Publication
Feb 4, 2025 - This publication provides a high-level summary of ASD’s existing guidance to manage and secure edge devices effectively. It is intended for executives in large organisations and critical infrastructure providers that are responsible for the deployment, operation, security, and maintenance of enterprise networks. ASD is soon to release a comprehensive technical publication on mitigation strategies for edge devices for practitioners.
Enhanced visibility and hardening guidance for communications infrastructure Advisory
Dec 4, 2024 - This guide provides network engineers and defenders of communications infrastructure with best practices to strengthen their visibility and harden their network devices against successful exploitation carried out by PRC-affiliated and other malicious cyber actors.
Security considerations for edge devices Publication
Feb 5, 2025 - Edge devices are an important part of many enterprise computing systems. They allow connection across various devices that aid in productivity. However, just like with all technology they are not without their vulnerabilities. Edge devices require attention and diligence to keep data safe and secure.
Secure by Demand Publication
Jan 14, 2025 - This Secure by Demand guide, authored by CISA with contributions from the following partners, describes how OT owners and operators should integrate security into their procurement process when purchasing industrial automation and control systems as well as other OT products.
Guidelines for media Advice
Jul 3, 2025 - This chapter of the Information security manual (ISM) provides guidance on media.
Choosing secure and verifiable technologies: Executive guidance Publication
Dec 5, 2024 - This guide supports senior leaders to enable their organisations to understand their threat environment and make better-informed assessments and decisions to procure secure technologies.
Risk management of enterprise mobility (including Bring Your Own Device) Publication
Oct 6, 2021 - This publication has been developed to provide senior business representatives with a list of enterprise mobility considerations. These include business cases, regulatory obligations and legislation, available budget and personnel resources, and risk tolerance. Additionally, risk management controls are provided for cybersecurity practitioners.
Advisory 2020-009: Recommendations to mitigate APT actors targeting health sector and COVID-19 essential services Advisory
May 8, 2020 - The ACSC recommends that organisations in the health sector implement the following cyber security mitigations:
Guidelines for physical security Advice
Jul 3, 2025 - This chapter of the Information security manual (ISM) provides guidance on physical security.
