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Personal cyber security: Advanced steps guide   Guidance

Mar 23, 2023 - The third and final cyber security guide in the personal cyber security series is designed to help everyday Australians understand an advanced level of cyber security and how to take action to protect themselves from cyber threats.

Cloud assessment and authorisation   Publication

Jan 18, 2024 - This publication is co-designed with industry to support the secure adoption of cloud services across government and industry.

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.

Personal cyber security: Next steps guide   Guidance

Jun 16, 2023 - The second of three cyber security guides in the personal cyber security series is designed to help everyday Australians understand a moderate level of cyber security and how to take action to protect themselves from cyber threats.

Critical Unauthenticated Remote Code Execution vulnerability in n8n workflow automation platform   Alert

Jan 8, 2026 - A critical unauthenticated Remote Code Execution (RCE) vulnerability affecting n8n workflow automation platform has been observed. The critical vulnerability, tracked as CVE-2026-21858, allows unauthenticated threat actors to access sensitive files on the underlying server through execution of certain form-based workflows leading to RCE.

This vulnerability is assessed as CVSS 10.0.

Social engineering   Threat

May 29, 2025 - Social engineering is a significant threat to individuals and organisations, enabling malicious actors to compromise accounts, devices, systems or sensitive information.

#StopRansomware: LockBit 3.0 Ransomware Affiliates Exploit CVE 2023-4966 Citrix Bleed Vulnerability   Advisory

Nov 29, 2023 - This joint Cybersecurity Advisory (CSA) is part of an ongoing #StopRansomware effort to publish advisories for network defenders that detail various ransomware variants and ransomware threat actors.

Modern defensible architecture   Publication

Oct 23, 2025 - Modern defensible architecture is the first step in Australian Signals Directorate (ASD)’s Australian Cyber Security Centre (ACSC)’s push to ensure that secure architecture and design are being considered and applied by organisations in their cyber security and resilience planning.

2020-002: Critical vulnerabilities for Microsoft Windows   Alert

Jan 15, 2020 - On 15 January 2020 (AEDT), Microsoft released security patches for three critical and one important vulnerabilities in the Microsoft Remote Desktop Client, Remote Desktop Gateway and the Windows operating system. The ACSC recommends that users of these products apply patches urgently to prevent malicious actors from using these vulnerabilities to compromise your network.

People’s Republic of China (PRC) State-Sponsored Cyber Actor Living Off the Land to Evade Detection   Alert

May 25, 2023 - The Australian Signals Directorate’s Australian Cyber Security Centre (ASD's ACSC), in conjunction with the United States (US) National Security Agency (NSA) its international partners, has released a Cybersecurity Advisory regarding a PRC state-sponsored cyber actor conducting activity impacting US critical infrastructure (CI) sectors. Because of the potential risk to CI sectors outside the US, all organisations are encouraged to review the published Advisory and report any malicious activity to the ASD's ACSC.

Home  

Sep 30, 2025 - Welcome to the Australian Cyber Security Centre website - cyber.gov.au

Choosing secure and verifiable technologies: Executive guidance   Publication

Dec 5, 2024 - This guide supports senior leaders to enable their organisations to understand their threat environment and make better-informed assessments and decisions to procure secure technologies.

Meltdown and Spectre patches unsuitable for some security products   Advisory

Jan 11, 2020 - The Australian Signals Directorate’s Australian Cyber Security Centre (ASD’s ACSC) is aware of reporting that a variety of security products (e.g. antivirus solutions) are incompatible with Microsoft's patches for the Meltdown and Spectre vulnerabilities.

Multiple vulnerabilities present in the Spring Framework for Java   Alert

Apr 4, 2022 - The Australian Signals Directorate’s Australian Cyber Security Centre (ASD’s ACSC) is aware of media reporting relating to multiple potential vulnerabilities, including the so-called SpringShell vulnerability, in the Java Spring framework and its execution environments. These vulnerabilities pose a threat to organisations running applications on the web which contain components using the Java Spring framework.

The Commonwealth Cyber Security Posture in 2024   Reports and statistics

Dec 5, 2024 - The Commonwealth Cyber Security Posture in 2024 informs the Australian Parliament on cyber security measures implemented across the Australian Government for the 2023–24 financial year.

The Commonwealth Cyber Security Posture in 2023   Reports and statistics

Nov 16, 2023 - The Commonwealth Cyber Security Posture in 2023 informs Parliament on the implementation of cyber security measures across the Australian Government for the 2022–23 financial year. According to the Flipchart of PGPA Act Commonwealth entities and companies, as of 30 June 2023 the Australian Government comprised 100 non-corporate Commonwealth entities (NCEs), 72 corporate Commonwealth entities (CCEs) and 17 Commonwealth companies (CCs); totalling 189 Australian government entities.

National cyber security exercises for Australia’s electricity industry   News

Apr 30, 2020 - In November 2019, the Australian Signals Directorate’s Australian Cyber Security Centre (ASD’s ACSC) coordinated a national cyber security exercise series in partnership with Australia’s electricity industry and government agencies.

Exploitation of Unitronics Programmable Logic Controllers (PLCs)   Alert

Dec 5, 2023 - The Australian Signals Directorate’s Australian Cyber Security Centre (ASD's ACSC) is concerned about global exploitation of Programmable Logic Controllers (PLC) and is aware of reports of compromise of these devices in Australia. These devices are present in a number of critical sectors such as water, energy, fuel and healthcare.

Advisory 2020-009: Recommendations to mitigate APT actors targeting health sector and COVID-19 essential services   Advisory

May 8, 2020 - The ACSC recommends that organisations in the health sector implement the following cyber security mitigations:

Ten things to know about data security   Publication

May 16, 2024 - This publication has been developed to assist business owners and information technology managers, particularly those unfamiliar with cybersecurity, with ten things they should know about data security.