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Interactive tools and advice to boost your online safety.
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Resources for business and government agencies on cyber security.
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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.
Feb 25, 2023 - Contact ASD's ACSC for general enquiries and media enquiries.
Securing customer personal data Guidance
Jul 23, 2025 - This guide is focused specifically on the protection of customers’ personal data. Guidance on general cybersecurity for businesses can be found in the Small business cybersecurity guide and the Strategies to mitigate cybersecurity incidents published by ASD’s ACSC.
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.
Planning for post-quantum cryptography Publication
Aug 25, 2023 - A cryptographically relevant quantum computer (CRQC) will render most contemporary public key cryptography insecure, thus making ubiquitous secure communications based on current public key cryptography technology infeasible. As the creation of a CRQC presents new cyber security risks, organisations are encouraged to consider anticipating future requirements and dependencies of vulnerable systems during the transition to post-quantum cryptography (PQC) standards.
Guidelines for cybersecurity incidents Advice
Sep 4, 2025 - This chapter of the Information security manual (ISM) provides guidance on cybersecurity incidents.
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.
User education
Apr 11, 2023 - This page lists publications on cybersecurity that relate to the behaviour of people and virtual communities of people.
PRC State-Sponsored Cyber Activity Advisory
Mar 20, 2024 - This fact sheet provides an overview for executive leaders on the urgent risk posed by People’s Republic of China (PRC) state-sponsored cyber actors known as "Volt Typhoon."
Critical vulnerability in Pulse/Ivanti Connect Secure, Policy Secure and Neurons for ZTA gateways (CVE-2025-22457) Alert
Apr 4, 2025 - Ivanti have released information regarding active exploitation of a critical vulnerability in Ivanti Connect Secure, Policy Secure and Neurons for ZTA gateways (CVE-2025-22457). ASD’s ACSC recommends customers follow the advice contained in Ivanti’s Security Advisory and assess their environments for malicious activity.
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.
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.
Implementing SIEM and SOAR platforms: Executive guidance Publication
May 27, 2025 - This publication is one of three in a suite of guidance on SIEM and SOAR platforms. It is primarily intended for executives but can be used by any organisation that is considering whether and how to implement a SIEM and/or SOAR.
Essential Eight maturity model changes Publication
Nov 27, 2023 - This publication provides an overview of the changes for the November 2023 release.
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.
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.
Email hardening
Apr 11, 2023 - This page lists publications on the hardening of message exchange via electronic mail.
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.
Managing the risks of legacy IT: Practitioner guidance Publication
Jun 12, 2024 - This publication provides guidance for practitioners on managing the risks posed by legacy IT and outlines low-cost mitigations that organisations can draw upon.
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.
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.
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.
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.
ASD’s role in cybersecurity: For legal practitioners Guidance
Dec 11, 2024 - During a cybersecurity incident, or suspected cybersecurity incident, our goal is to work with impacted organisations, their legal representation, and any external vendors engaged to investigate an incident on behalf of the organisation.
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.
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.
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.
Mergers, acquisitions and Machinery of Government changes Publication
Jun 10, 2022 - This publication provides guidance on strategies that organisations can apply during mergers, acquisitions and Machinery of Government changes.
Guidelines for software development Advice
Sep 4, 2025 - This chapter of the Information security manual (ISM) provides guidance on software development.
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.
