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2020-011: Critical Vulnerability in SAP NetWeaver Application Server (CVE-2020-6287)   Advisory

Jul 14, 2020 - The Australian Signals Directorate’s Australian Cyber Security Centre (ASD’s ACSC) recommends users of these products urgently apply available security patches to prevent an adversary from exploiting this vulnerability.

Widespread exposure of vulnerability in cPanel   Alert

May 9, 2023 - The Australian Signals Directorate’s Australian Cyber Security Centre (ASD’s ACSC) is aware of a vulnerability affecting cPanel and cPanel managed websites. All Australian organisations should apply the available patches, and ensure staff are informed of the risks against their systems when clicking suspicious links.

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.

Safe Software Deployment   Publication

Oct 25, 2024 - It is critical for all software manufacturers to implement a safe software deployment program supported by verified processes, including robust testing and measurements.

Supporting Australian organisations through a cybersecurity incident   Guidance

Dec 18, 2024 - Malicious cyber activity continues to pose a significant risk to Australia’s security and prosperity. Australian organisations that have been, or may be impacted by a cybersecurity incident, are encouraged to reach out to the Australian Signal’s Directorate (ASD) to seek  technical incident response advice and assistance.

Multiple vulnerabilities in Jenkins products   Alert

Jan 30, 2024 - ASD’s ACSC is aware of multiple vulnerabilities impacting Jenkins products including CVE 2024-23897 (Critical) & CVE-2024-23898 (High). Organisations using Jenkins products are strongly advised to follow the mitigation advice provided by Jenkins and patch affected versions.

Increase in denial-of-service (DoS) attacks against Australian organisations   Advisory

Mar 17, 2025 - ASD's ACSC is aware of an increase in denial-of-service (DoS) attacks, where malicious actors flood websites with internet traffic, making it difficult for legitimate users to access them.

Contact us   Service

Feb 25, 2023 - Contact ASD's ACSC for general enquiries and media enquiries.

Vulnerabilities in Citrix NetScaler ADC and NetScaler Gateway products   Alert

Jan 18, 2024 - ASD’s ACSC is aware of multiple vulnerabilities (CVE-2023-6548 and CVE-2023-6549) in Citrix NetScaler products (NetScaler ADC and NetScaler Gateway). Organisations are strongly encouraged to take immediate action to ensure affected instances are patched.

Vulnerability Affecting BlackBerry QNX RTOS   Advisory

Aug 17, 2021 - The Australian Signals Directorate’s Australian Cyber Security Centre (ASD’s ACSC) is aware of a vulnerability affecting the BlackBerry QNX, the world’s most prevalent real time operating system.

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.

Iranian Government-Sponsored APT Cyber Actors   Alert

Nov 17, 2021 - FBI and CISA have observed an Iranian government-sponsored APT group that are exploiting vulnerabilities to gain access to systems. The APT group has exploited the same Microsoft Exchange vulnerability in Australia.

Enhanced visibility and hardening guidance for communications infrastructure   Advisory

Dec 4, 2024 - This guide provides network engineers and defenders of communications infrastructure with best practices to strengthen their visibility and harden their network devices against successful exploitation carried out by PRC-affiliated and other malicious cyber actors.

Exchange server critical vulnerabilities   Alert

Apr 15, 2021 - On 2 March 2021 Microsoft released information regarding multiple exploits being used to compromise instances of Microsoft Exchange Server. Malicious actors are exploiting these vulnerabilities to compromise Microsoft Exchange servers exposed to the internet, enabling access to email accounts and to enable further compromise of the Exchange server and associated networks.

Deploying AI Systems Securely   Publication

Apr 16, 2024 - AI security is a rapidly evolving area of research. As agencies, industry, and academia discover potential weaknesses in AI technology and techniques to exploit them, organizations will need to update their AI systems to address the changing risks, in addition to applying traditional IT best practices to AI systems.

Content Credentials: Strengthening Multimedia Integrity in the Generative AI Era   Publication

Jan 30, 2025 - This cybersecurity information sheet discusses how Content Credentials (especially Durable ones) can be valuable to protect the provenance of media, raises awareness of the state of this solution, provides recommended practices to ensure the preservation of provenance, and discusses the importance of widespread adoption across the information ecosystem.

TMUI remote code execution vulnerability - CVE-2020-5902   Alert

Jul 6, 2020 - The Australian Signals Directorate’s Australian Cyber Security Centre (ASD’s ACSC) advises users of F5’s enterprise and data centre BIG-IP products to ensure their systems are promptly patched after the recent disclosure of new remote code execution vulnerability.

Joint advisory on top cyber vulnerabilities   News

Jul 28, 2021 - The top 30 cyber security vulnerabilities exploited by malicious cyber actors since 2020 have been detailed in a joint advisory issued by the Australian Signals Directorate’s Australian Cyber Security Centre (ASD’s ACSC) and counterpart cyber security agencies from the United States and the United Kingdom.

PRC state-sponsored cyber group APT40’s expanding tradecraft and tactics    News

Jul 9, 2024 - The Australian Signals Directorate’s Australian Cyber Security Centre (ASD’s ACSC) has released a new joint advisory with international partners on the People’s Republic of China (PRC) Ministry of State Security (MSS) tradecraft in action.

Small Business Cloud Security Guides   News

Dec 16, 2022 - The Australian Signals Directorate’s Australian Cyber Security Centre (ASD’s ACSC) has released a series of guides designed to help small businesses secure their cloud environment.

Secure-by-Design Foundations   News

Jul 31, 2024 - The Australian Signals Directorate’s Australian Cyber Security Centre (ASD's ACSC) has released updated guidance to help technology manufacturers and those who use their digital product or service to adopt secure-by-design principles.

The Commonwealth Cyber Security Posture in 2020   Reports and statistics

Jun 10, 2021 - The Commonwealth Cyber Security Posture Report in 2020 informs the Parliament of the status of the Commonwealth’s cybersecurity posture. Overall, the report found that Commonwealth entities continued to improve their cybersecurity in 2020. Ongoing effort is required to maintain the currency and effectiveness of cybersecurity measures.

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.

Securing Customer Personal Data for Small to Medium Businesses   News

Nov 17, 2023 - As data breaches increasingly impact Australian businesses and their customers, it’s crucial for businesses to improve their data security practices and ensure their customers’ personal data is handled appropriately.

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.

Small Business Cloud Security Guides: Technical Example - Restrict Administrative Privileges   Publication

Dec 16, 2022 - Privileged account credentials are prized by cybercriminals because they provide extensive access to high value assets within a network. Restricting privileged access to only users with a demonstrated business need is essential to protecting your environment.

Malicious insiders   Threat

Jun 23, 2020 - Malicious insiders can be employees, former employees, contractors or business associates who have legitimate access to your systems and data, but use that access to destroy data, steal data or sabotage your systems. It does not include well-meaning staff who accidentally put your cyber security at risk or spill data.

2020-001-4: Remediation for critical vulnerability in Citrix Application Delivery Controller and Citrix Gateway   Advisory

Jan 13, 2020 - On 19 January 2020, Citrix released patches for two versions of the Citrix Application Delivery Controller (ADC) and Citrix Gateway appliances. Citrix expects to have patches available across all supported versions of Citrix ADC, Citrix Gateway and Citrix SD-WAN WANOP before the end of January 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.

Critical vulnerabilities in Citrix Netscaler ADC and NetScaler Gateway Products   Alert

Jun 20, 2025 - The ASD's ACSC is aware of critical vulnerabilities in Citrix Netscaler ADC and NetScaler Gateway Products (CVE-2025-5349, CVE-2025-5777).