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Interactive tools and advice to boost your online safety.
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Common online security risks and advice on what you can do to protect yourself.
Respond to cyber threats and take steps to protect yourself from further harm.
Resources for business and government agencies on cyber security.
Displaying search results for Displaying 1 - 30 of 543 results.
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.
Small Business Cloud Security Guides: Technical Example - Regular Backups Publication
Dec 16, 2022 - Implementing regular backups will assist your organisation to recover and maintain its operations in the event of a cybersecurity incident, for example, a ransomware attack.
Boost your cyber defences with backups News
Aug 17, 2021 - Backing up your data is one of the best defences against ransomware attacks conducted by the opportunistic cyber criminals who continue to threaten Australian businesses, organisations, and families.
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.
Guidelines for database systems Advice
Jul 3, 2025 - This chapter of the Information security manual (ISM) provides guidance on database systems.
Guidelines for data transfers Advice
Jul 3, 2025 - This chapter of the Information security manual (ISM) provides guidance on data transfers.
AI Data Security Publication
May 23, 2025 - This publication provides essential data security guidance for organisations that develop and/or use AI systems, including businesses, government and critical infrastructure. It highlights the importance of data security in ensuring the accuracy and integrity of AI outcomes, and presents an in-depth examination of 3 areas of data security risks in AI systems: data supply chain, maliciously modified (poisoned) data, and data drift.
New joint advice on artificial intelligence data security News
May 23, 2025 - Learn about significant data security risks and best practices for securing data throughout the artificial intelligence (AI) system lifecycle.
Data breaches involving DATA Scheme participants
Data breach of Consumer Data Right information
Data breaches Threat
Aug 30, 2023 - Sometimes personal information is released to unauthorised people by accident or as the result of a security breach. For example, an email with personal information can be sent to the wrong person, or a computer system can be hacked and personal information stolen. These are known as data breaches or data spills.
Malicious cyber actors using spyware to target individuals’ personal data News
Apr 9, 2025 - New joint advisory on BADBAZAAR and MOONSHINE spyware.
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.
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.
Report and recover from a data breach Guidance
Jul 14, 2023 - A data breach occurs when sensitive or personal information is accessed, disclosed or exposed to unauthorised people.
Optus Data Breach Alert
Sep 30, 2022 - To help protect against fraud, Optus has notified customers to look to reputable sources such as Moneysmart and the Office of the Australian Information Commissioner.
Back-up data to defend against cybercrime News
Mar 31, 2021 - On World Back-up Day, the Australian Government is urging businesses, organisations and individuals to back-up their digital information to protect themselves against compromise.
Multiple Vulnerabilities in Atlassian Confluence Data Center and Server Alert
Nov 1, 2023 - ASD’s ACSC has received information on multiple vulnerabilities in Atlassian’s Confluence Data Center and Server (CVE-2023-22515 & CVE-2023-22518). Organisations are strongly encouraged to take immediate action to ensure affected instances are patched.
Remote Code Execution Vulnerability In Confluence Data Center and Confluence Server Alert
Jan 17, 2024 - ASD’s ACSC is aware of a vulnerability in Confluence Data Center and Confluence Server (CVE-2023-22527). Organisations are strongly encouraged to take immediate action to ensure affected instances are patched.
Data breach of personal information
Remote code execution vulnerability present in Atlassian Confluence Server and Data Center Alert
Jun 5, 2022 - A critical unauthenticated remote code execution vulnerability (CVE-2022-26134) has been identified in all supported versions of Atlassian Confluence Server and Data Center. The Australian Signals Directorate’s Australian Cyber Security Centre (ASD’s ACSC) recommends organisations restrict internet access to and from affected devices.
Consumer Data Right information security incident
Data breach of My Health Record
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.
Data breach of My Health Record (for State and Territory entities)
Update your devices
Jan 25, 2023 - Updates are new, improved, or fixed versions of software. Regular updates are critical in maintaining a secure system. It's important to check for any updates and make sure that automatic updates are switched on.
Geo-blocking in context: Realities, risks and recommendations Publication
May 19, 2025 - This guidance is intended for decision makers and cybersecurity practitioners. It highlights what to be aware of when identifying the source of a threat and the potential implications of geo-blocking in a broader cybersecurity strategy.
Foundations for modern defensible architecture Publication
Feb 10, 2025 - The Foundations represent the first step to help organisations adopt a ‘modern defensible architecture’ approach, which will enable them to evolve alongside the threat landscape.
Updates to ASD’s Blueprint for Secure Cloud News
Mar 18, 2025 - We have updated the Blueprint to reflect recent changes to Microsoft Purview.
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.
