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/business-government/secure-design/operational-technology-environments/creating-and-maintaining-a-definitive-view-of-your-operational-technology-architecture

Creating and maintaining a definitive view of your operational technology architecture   Publication

Oct 28, 2025 - How organisations who deploy or operate operational technology systems should build, maintain and store their systems understanding.

Organisations & Critical Infrastructure
Government
/about-us/alerts/vulnerability-affecting-blackberry-qnx-rtos

Vulnerability Affecting BlackBerry QNX RTOS   Alert

Aug 18, 2021 - BlackBerry has disclosed that its QNX Real Time Operating System is affected by a BadAlloc vulnerability - CVE-2021-22156. QNX is the world’s most prevalent real time operating system.

Organisations & Critical Infrastructure
/report-and-recover/recover-from/account-compromise/email

Recovering a compromised email account   Guidance

Nov 10, 2023 - Email accounts are valuable targets for cybercriminals. Not just because they store sensitive messages, but also because they can be used to impersonate the account owner, to spread scams, and to perform password resets.

Individuals & families
Small & medium businesses
Organisations & Critical Infrastructure
/business-government/supplier-cyber-risk-management/managing-cyber-supply-chains/cyber-supply-chain-risk-management

Cyber supply chain risk management   Publication

May 22, 2023 - All organisations should consider cyber supply chain risk management. If a supplier, manufacturer, distributor or retailer (i.e. businesses that constitute a cyber supply chain) are involved in products or services used by an organisation, there will be a cyber supply chain risk originating from those businesses. Likewise, an organisation will transfer any cyber supply chain risk they hold to their customers.

Small & medium businesses
Organisations & Critical Infrastructure
Government
/business-government/secure-design/artificial-intelligence/guidelines-for-secure-ai-system-development

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).

Small & medium businesses
Organisations & Critical Infrastructure
Government
/business-government/detecting-responding-to-threats/event-logging/implementing-siem-soar-platforms/priority-logs-for-siem-ingestion-practitioner-guidance

Priority logs for SIEM ingestion: Practitioner guidance   Publication

May 27, 2025 - This document is again intended for cyber security practitioners and provides detailed, technical guidance on the logs that should be prioritised for SIEM ingestion. It covers log sources including Endpoint Detection and Response tools, Windows/Linux operating systems, and Cloud and Network Devices.

Organisations & Critical Infrastructure
Government
/about-us/view-all-content/alerts-and-advisories/os-command-injection-vulnerability-in-globalprotect-gateway

OS Command Injection Vulnerability in GlobalProtect Gateway   Alert

May 3, 2024 - ASD’s ACSC is aware of a vulnerability (CVE-2024-3400) that enables an unauthenticated attacker to execute arbitrary code with root privileges on the firewall.

Small & medium businesses
Organisations & Critical Infrastructure
/business-government/asds-cyber-security-frameworks/ism/cyber-security-guidelines/guidelines-for-networking

Guidelines for networking   Advice

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

Organisations & Critical Infrastructure
Government
/business-government/small-business-cyber-security/small-business-hub/small-business-cloud-security-guides/technical-example-user-application-hardening

Technical example: User application hardening   Publication

Dec 16, 2022 - User application hardening protects an organisation from a range of threats including malicious websites, advertisements running malicious scripts and exploitation of vulnerabilities in unsupported software. These attacks often take legitimate application functionality and use it for malicious purposes. User application hardening makes it harder for cybercriminals to exploit vulnerabilities or at-risk functionality in your organisation’s applications.

Small & medium businesses
/business-government/asds-cyber-security-frameworks/ism/cyber-security-guidelines/guidelines-for-evaluated-products

Guidelines for evaluated products   Advice

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

Organisations & Critical Infrastructure
Government
/business-government/secure-design/operational-technology-environments/foundations-for-ot-cybersecurity-asset-inventory-guidance-for-owners-and-operators

Foundations for OT cybersecurity: Asset inventory guidance for owners and operators   Publication

Aug 14, 2025 - This guidance outlines how OT owners and operators can create and maintain an asset inventory and OT taxonomy, to protect their most vital assets. It includes steps for defining scope and objectives for the inventory, identifying assets, collecting attributes, creating a taxonomy, managing data, and implementing asset life cycle management.

Organisations & Critical Infrastructure
Government
/business-government/asds-cyber-security-frameworks/ism/cyber-security-guidelines/guidelines-for-physical-security

Guidelines for physical security   Advice

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

Organisations & Critical Infrastructure
Government
/business-government/small-business-cyber-security/small-business-hub/first-nations-business-resources

First Nations business resources   Guidance

Jan 5, 2023 - Cybercriminals are finding new ways to target First Nations businesses all the time. There are a few simple things you can do to keep yourself and your business secure online.

Small & medium businesses
/protect-yourself/staying-secure-online/shopping-and-banking-online/online-shopping/after-youve-made-purchase

After you've made a purchase   Guidance

Once you’ve made a purchase you still need to remain vigilant. Cybercriminals can target you even after you’ve made a purchase on a legitimate website. Learn what to look out for after you’ve bought something online.

Individuals & families
/protect-yourself/securing-your-devices/how-back-up-your-files-and-devices

How to back up your files and devices   Guidance

Nov 12, 2024 - Important data such as your photos, documents and financial records can be lost in an instant, so back it up regularly before it's too late.

Individuals & families
Small & medium businesses
/cam2025

Cyber Security Awareness Month 2025  

Sep 30, 2024 - Take action to protect your networks and digital infrastructure now and into the future.

/about-us/view-all-content/alerts-and-advisories/high-severity-vulnerability-present-in-microsoft-outlook-for-windows

High Severity Vulnerability present in Microsoft Outlook for Windows   Alert

Mar 29, 2023 - The Australian Signals Directorate’s Australian Cyber Security Centre (ASD’s ACSC) is aware of a Microsoft Outlook for Windows vulnerability. All Australian organisations using all versions of Microsoft Outlook for Windows should apply the available patch immediately.

Individuals & families
Small & medium businesses
Organisations & Critical Infrastructure
Government
/about-us/view-all-content/alerts-and-advisories/fortios-fortiproxy-authentication-bypass-nodejs-websocket-module-vulnerability

FortiOS & FortiProxy - Authentication bypass in Node.js websocket module vulnerability   Alert

Jan 15, 2025 - Fortinet has released information regarding an identified vulnerability in FortiOS version 7.0 and FortiProxy versions 7.0 and 7.2 instances. ASD’s ACSC recommends customers follow the advice contained in Fortinet’s notification.

Small & medium businesses
Organisations & Critical Infrastructure
Government
/business-government/protecting-devices-systems/hardening-systems-applications/network-hardening/securing-edge-devices/security-considerations-for-edge-devices

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.

Small & medium businesses
Organisations & Critical Infrastructure
Government
/about-us/view-all-content/news-and-media/cyber-sanction-imposed-russian-cybercriminal-2022-medibank-private-compromise

Cyber sanction imposed on Russian cybercriminal for 2022 Medibank Private compromise   News

Jan 23, 2024 - Today Australia has imposed a cyber sanction under the Autonomous Sanctions Act 2011 on Russian national Aleksandr Ermakov for his role in the compromise of Medibank Private in 2022. This is the first time a sanction has been imposed under the Act.

Individuals & families
Small & medium businesses
Organisations & Critical Infrastructure
Government

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Acknowledgement of Country

We acknowledge the Traditional Owners and Custodians of Country throughout Australia and their continuing connections to land, sea and communities.
We pay our respects to them, their cultures and their Elders; past, present and emerging. We also recognise Australia's First Peoples' enduring contribution to Australia's national security.

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