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2021 Trends Show Increased Globalized Threat of Ransomware   Advisory

Feb 10, 2022 - This joint Cybersecurity Advisory—authored by cybersecurity authorities in the United States, Australia, and the United Kingdom—provides observed behaviors and trends as well as mitigation recommendations to help network defenders reduce their risk of compromise by ransomware.

2022-004: ASD's ACSC Ransomware Profile – ALPHV (aka BlackCat)   Advisory

Apr 14, 2022 - ALPHV (aka BlackCat, Noberus) is a ransomware variant first observed in late 2021, used by cybercriminals to conduct ransomware attacks against multiple sectors and organisations worldwide, including Australia.

PRC State-Sponsored Cyber Activity   Advisory

Mar 20, 2024 - This fact sheet provides an overview for executive leaders on the urgent risk posed by People’s Republic of
China (PRC) state-sponsored cyber actors known as "Volt Typhoon."

Gateway security guidance package: Gateway security principles   Publication

Jul 29, 2025 - Guidance written for audiences responsible for the procurement, operation and management of gateways.

Russian GRU targeting Western logistics entities and technology companies   Advisory

May 22, 2025 - This joint cybersecurity advisory (CSA) highlights a Russian state-sponsored cyber campaign targeting Western logistics entities and technology companies.

Australian organisations encouraged to urgently adopt an enhanced cyber security posture   Alert

Mar 28, 2022 - Australian organisations are encouraged to urgently adopt an enhanced cyber security posture. Organisations should act now and follow ACSC’s advice to improve their cyber security resilience in light of the heightened threat environment.

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.

Strategies to mitigate cybersecurity incidents   Publication

Feb 1, 2017 - The Australian Signals Directorate (ASD) has developed prioritised mitigation strategies to help 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.

Guidelines for procurement and outsourcing   Advice

Dec 4, 2025 - This chapter of the Information security manual (ISM) provides guidance on procurement and outsourcing activities.

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.

An introduction to securing smart places   Publication

Nov 21, 2022 - Smart places, also known as smart cities, are places designed to provide enhanced services to citizens using a collection of smart information technology (IT)-enabled systems and devices that capture, communicate and analyse data. To achieve this purpose, previously discrete technologies and systems are interconnected to allow for large-scale coordination, real-time decision making, and increased visibility and situational awareness of the smart place’s status.

Foundations for modern defensible architecture   Publication

Oct 23, 2025 - The Foundations represent the first step to help organisations adopt a ‘modern defensible architecture’ approach, which will enable them to evolve alongside the threat landscape.

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.

Exercise in a Box  

Nov 17, 2022 - This service provides an all-in-one platform that organisations can use to assess and improve their cybersecurity practices, in a controlled environment, and as many times as they want.

Managing cryptographic keys and secrets   Publication

Aug 26, 2025 - This guide has been developed to help organisational personnel in understanding the threat environment and the value of implementing secure keys and secrets management to make better informed decisions.

Marketing and filtering email service providers   Publication

Oct 6, 2021 - This publication provides high level guidance on how to use email service providers (ESPs) in particular deployment scenarios. The considerations and controls described in that publication also apply to ESPs sending email on other organisations’ behalf.

New guidance to strengthen Microsoft Exchange Server security   News

Oct 31, 2025 - ASD’s ACSC and international partners have co-authored guidance on best practices for Microsoft Exchange Server to help organisations mitigate risks and prevent malicious activity.

Advanced Persistent Threat (APT) actors targeting Australian health sector organisations and COVID-19 essential services   Alert

May 8, 2020 - The Australian Signals Directorate’s Australian Cyber Security Centre (ASD's ACSC) is aware that Advanced Persistent Threat (APT) actors are actively targeting health sector organisations and medical research facilities.

AI data security   Publication

May 23, 2025 - This publication provides essential data security guidance for organisations that develop and/or use AI systems, including businesses, government and critical infrastructure. It highlights the importance of data security in ensuring the accuracy and integrity of AI outcomes, and presents an in-depth examination of 3 areas of data security risks in AI systems: data supply chain, maliciously modified (poisoned) data, and data drift.

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.