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Critical vulnerability present in SAP Internet Communication Manager   Alert

Feb 11, 2022 - A vulnerability has been identified in SAP Internet Communication Manager (ICM), a component of many SAP products, which may allow full system takeover. Affected organisations should apply the available security update.

Critical severity vulnerability in Fortinet Fortigate SSL-VPN devices   Alert

Jun 13, 2023 - The Australian Signals Directorate’s Australian Cyber Security Centre (ASD’s ACSC) is aware of a critical pre-authentication remote code execution vulnerability in Fortinet Fortigate SSL VPN devices. Australian organisations should patch their products and apply any recommended mitigations.

Iranian-based cyber actors compromising critical infrastructure networks   News

Oct 17, 2024 - Iran-based cyber actors are using brute force attacks such as password spraying to compromise critical infrastructure networks.

Guidelines for procurement and outsourcing   Advice

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

Mitigating Log4Shell and Other Log4j-Related Vulnerabilities   Advisory

Dec 23, 2021 - Malicious cyber actors are actively scanning networks to potentially exploit Log4Shell, CVE-2021-45046, and CVE-2021-45105 in vulnerable systems. According to public reporting, Log4Shell and CVE-2021-45046 are being actively exploited. This joint Cybersecurity Advisory is to provide mitigation guidance on addressing vulnerabilities.

Remote code execution vulnerability present in the MSHTML component of Microsoft Windows   Alert

Sep 14, 2021 - A vulnerability exists in a component of Microsoft Windows. A malicious cyber actor could exploit this vulnerability to execute arbitrary code, potentially enabling the actor to take control of the vulnerable host. At this current time there is no patch available, affected Australian customers should apply the Microsoft recommended workarounds.

Advisory 2020-016: "Zerologon" - Netlogon Elevation of Privilege Vulnerability (CVE-2020-1472)   Advisory

Sep 22, 2020 - The ACSC recommends organisations immediately patch affected Microsoft Windows systems with the Microsoft August 2020 Security Updates, released 11/08/2020.

Summary of Tactics, Techniques and Procedures Used to Target Australian Networks   Advisory

May 20, 2020 - This advisory provides information on methods to detect many of the TTPs listed. Partners are strongly encouraged to review their environments for the presence of the exploited vulnerabilities and provided TTPs.

The silent heist: cybercriminals use information stealer malware to compromise corporate networks   Advisory

Sep 2, 2024 - Information stealer malware steals user login credentials and system information that cyber threat actors exploit, predominantly for monetary gain. Information stealers have been observed in attacks against multiple organisations and sectors worldwide, including Australia. This advisory provides readers with cyber security guidance on information stealers, including threat activity and mitigation advice for individuals and organisations.

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.

Malicious actors deploying Gootkit Loader on Australian Networks   Alert

Aug 27, 2021 - Australian Signals Directorate’s Australian Cyber Security Centre (ASD’s ACSC) has observed an increase of Gootkit JavaScript (JS) Loaders on Australian networks.

Joint statement - attribution to Russia for malicious cyber activity against European networks   News

May 11, 2022 - Australia and international partners shine a light on Russia’s ongoing unacceptable activity in cyberspace.

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Nov 3, 2022 -

2021-009: Malicious actors deploying Gootkit Loader on Australian Networks   Advisory

Aug 27, 2021 - From April 2021, the Australian Signals Directorate’s Australian Cyber Security Centre (ASD’s ACSC) has received an increase in reporting of malicious actors targeting Australian networks with Gootkit JavaScript (JS) Loaders. Open-source reporting confirms that Gootkit JS Loaders are a precursor to several malware families traditionally used for cybercrime, notably, Gootkit, REvil ransomware, Kronos, or CobaltStrike. The ASD’s ACSC is providing this information to enable organisations to undertake their own risk assessments and take appropriate actions to secure their systems and networks. The ASD’s ACSC will update this advisory if more information becomes available.

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.

For business and government  

Resources for business and government on cyber security.

Advisory 2020-008: Copy-paste compromises - tactics, techniques and procedures used to target multiple Australian networks   Advisory

Sep 16, 2020 - This advisory details the tactics, techniques and procedures (TTPs) identified during the Australian Signals Directorate’s Australian Cyber Security Centre (ASD’s ACSC) investigation of a cyber campaign targeting Australian networks. These TTPs are captured in the frame of tactics and techniques outlined in the MITRE ATT&CK framework.

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.

Iranian Islamic Revolutionary Guard Corps-Affiliated Cyber Actors Exploiting Vulnerabilities for Data Extortion and Disk Encryption for Ransom Operations   Advisory

Sep 15, 2022 - The Australian Signals Directorate's Australian Cyber Security Centre (ASD's ACSC) has joined with international cyber security agency partners to co-author an advisory on continued Iranian state-sponsored cyber threats. Organisations are encouraged to apply the recommended mitigations to protect themselves online.

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.