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Guidelines for personnel security   Advice

Dec 4, 2025 - This chapter of the Information security manual (ISM) provides guidance on personnel security.

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.

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.

Securing edge devices  

Feb 4, 2025 - Malicious actors often target internet-facing edge devices to gain unauthorised access to enterprise networks. Learn how to secure edge devices such as routers, firewalls and VPN concentrators.

Travelling with mobile devices   Publication

Mar 26, 2024 - Learn how to keep mobile devices secure when travelling. This guidance provides advice from both an individual and organisational perspective.

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.

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.

How to combat fake emails   Publication

Oct 6, 2021 - Organisations can reduce the likelihood of their domains being used to support fake emails by implementing Sender Policy Framework (SPF) and Domain-based Message Authentication, Reporting and Conformance (DMARC) records in their Domain Name System (DNS) configuration. Using DMARC with DomainKeys Identified Mail (DKIM) to sign emails provides further safety against fake emails. Likewise, organisations can better protect their users against fake emails by ensuring their email systems use and apply SPF, DKIM and DMARC policies on inbound email.

Antivirus software   Guidance

Apr 11, 2023 - The consequences of viruses, spyware and other malicious software can be serious and far reaching. Follow our guidance about using antivirus software.

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.

Remote access to operational technology environments   Publication

Mar 28, 2023 - Many critical infrastructure providers are moving to support remote working arrangements. In doing so, modifying cybersecurity defences for operational technology environments (OTE) is not a decision that should be taken lightly.

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.

Malicious email mitigation strategies   Publication

Oct 6, 2021 - Socially engineered emails containing malicious attachments and embedded links are routinely used in targeted cyber intrusions against organisations. This publication has been developed to provide mitigation strategies for the security risks posed by these malicious emails.

2021 Top Routinely Exploited Vulnerabilities   Advisory

Apr 28, 2022 - This advisory provides details on the top 15 Common Vulnerabilities and Exposures (CVEs) routinely exploited by malicious cyber actors in 2021, as well as other CVEs frequently exploited.

Industrial control systems: Remote access protocol   Publication

Oct 6, 2021 - External parties may need to connect remotely to critical infrastructure control networks. This access is to allow the manufacturers of equipment used in Australia’s critical infrastructure the ability to maintain the equipment, when a fault is experienced that cannot be fixed in the required timeframe any other method.

Secure your Microsoft Windows device   Guidance

Nov 29, 2024 - Your Microsoft Windows device often holds your most important data. Use these simple steps to protect your device from cyberattacks.

Modern defensible architecture for senior decision-makers   Publication

Oct 23, 2025 - ASD’s ACSC and the following international partners present this guidance to assist senior decision-makers to understand the contemporary threat landscape and how modern defensible architecture can support organisations to defend against current threats and prepare for future threats.

Threat update: COVID-19 malicious cyber activity 27 March 2020   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.

2022 Top Routinely Exploited Vulnerabilities   Advisory

Aug 4, 2023 - This advisory provides details on the Common Vulnerabilities and Exposures (CVEs) routinely and frequently exploited by malicious cyber actors in 2022 and the associated Common Weakness Enumeration(s) (CWE).

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.