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Cloud shared responsibility model: Executive guidance   Publication

Oct 20, 2025 - This publication is for executives with cyber security responsibilities in government entities, critical infrastructure and large organisations that use or plan to use a cloud service. This guidance aims to strengthen your understanding of the shared responsibility model (SRM), and potential impacts to your cyber security posture and your governance obligations.

Assessment and evaluation programs  

Sep 3, 2025 - ASD's ACSC's programs and resources to support the assessment and evaluation of information security and critical infrastructure.

Are you ready for Australian domain name changes?   Alert

Aug 8, 2022 - Australians have until 20 September 2022 to seek priority allocation of an .au direct domain name that matches their existing domain name.

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.

Set up and perform regular backups  

Nov 9, 2022 - Backing up and having backups mean you can restore your files if something goes wrong. It is a precautionary measure so that your data is accessible in case something happens to your computer.

Phone scams impersonating Australian businesses and government agencies   Alert

Aug 13, 2020 - Cybercriminals are spoofing Australian mobile numbers and pretending to be from an Australian Government agency, delivery company or business, manipulating the individual to gain access to their device.

Vulnerability in MongoDB product – MongoDB server leak   Alert

Dec 29, 2025 - ASD’s ACSC is aware of active global exploitation affecting MongoDB servers CVE-2025-14847.
ASD’s ACSC recommends that organisations take immediate action to mitigate affected products, apply the latest patches and investigate for potential compromise.

A Shared Vision of Software Bill of Materials (SBOM) for Cybersecurity   Publication

Sep 4, 2025 - This guidance, authored by the U.S. Cybersecurity and Infrastructure Security Agency (CISA) and international partners, presents a shared vision of Software Bill of Materials (SBOM) and the value that increased software component and supply chain transparency can offer to the global community.

How to manage your security when engaging a managed service provider   Publication

Oct 6, 2021 - Understand the actions organisations can take to manage the security risks posed by engaging and authorising network access for managed service providers.

Cyber skills framework   Publication

Sep 10, 2020 - The Cyber Skills Framework enables targeted recruitment of cyber specialists, provides a development pathway for current and future cyber staff, and aligns skills, knowledge and attributes with national and international industry standards.

Essential Eight assessment process guide   Publication

Oct 2, 2024 - This publication provides advice on how to assess the implementation of the Essential Eight.

Guidelines for secure AI system development   Publication

Nov 27, 2023 - This document recommends guidelines for providers of any systems that use artificial intelligence (AI), whether those systems have been created from scratch or built on top of tools and services provided by others. This document is aimed primarily at providers of AI systems who are using models hosted by an organisation, or are using external application programming interfaces (APIs).

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.

Microsoft Exchange Server security best practices   Publication

Oct 31, 2025 - This paper—authored by the National Security Agency (NSA), Cybersecurity and Infrastructure Security Agency (CISA), Australian Signals Directorate’s Australian Cyber Security Centre (ASD’s ACSC), and Canadian Centre for Cyber Security (Cyber Centre)—provides security best practices for administrators on hardening on-premises (on-prem) Exchange.

Essential Eight maturity model   Publication

Nov 27, 2023 - This publication provides advice on how to implement the Essential Eight.

Small business  

Jun 15, 2023 - Basic steps to protect your business and staff from cyberthreats. Our guide has information and resources to help you and your staff prepare for cyberattacks.

Archived Alerts and Advisories  

Jan 23, 2025 - Search archived cyber security alerts and advice

Patching applications and operating systems   Publication

Nov 27, 2023 - Applying patches to applications and operating systems is critical to keeping systems secure. Patching forms part of the Essential Eight from the Strategies to mitigate cybersecurity incidents.

Critical vulnerability in React Server Components (CVE-2025-55182)   Alert

Dec 4, 2025 - ASD's ACSC is aware of a critical vulnerability in React Server Components.

Are your organisation’s edge devices secure?   News

Feb 5, 2025 - New publication series for executives and IT practitioners on how to secure edge devices.