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Set up and perform regular backups

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/learn-basics/explore-basics/set-and-perform-regular-backups

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.

/business-government/small-business-cyber-security/small-business-hub/small-business-cloud-security-guides/technical-example-regular-backups

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.

Small & medium businesses
/about-us/news/boost-your-cyber-defences-backups

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.

Individuals & families
Small & medium businesses
Organisations & Critical Infrastructure
Government
/business-government/asds-cyber-security-frameworks/ism/cyber-security-guidelines/guidelines-for-database-systems

Guidelines for database systems   Advice

Dec 4, 2025 - This chapter of the Information security manual (ISM) provides guidance on database systems.

Organisations & Critical Infrastructure
Government
/business-government/asds-cyber-security-frameworks/ism/cyber-security-guidelines/guidelines-for-data-transfers

Guidelines for data transfers   Advice

Dec 4, 2025 - This chapter of the Information security manual (ISM) provides guidance on data transfers.

Organisations & Critical Infrastructure
Government
/node/2340

Data breaches involving DATA Scheme participants  

/node/2339

Data breach of Consumer Data Right information  

/business-government/small-business-cyber-security/securing-customer-personal-data

Securing customer personal data   Guidance

Jul 23, 2025 - This guide is focused specifically on the protection of customers’ personal data. Guidance on general cyber security for businesses can be found in the Small business cyber security guide and the Strategies to mitigate cyber security incidents published by ASD’s ACSC.

Small & medium businesses
Organisations & Critical Infrastructure
Government
/business-government/secure-design/artificial-intelligence/ai-data-security

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.

Organisations & Critical Infrastructure
Government
/threats/types-threats/data-breaches

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.

Individuals & families
Small & medium businesses
/business-government/protecting-business-leaders/cyber-security-for-business-leaders/ten-things-to-know-about-data-security

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.

Small & medium businesses
Organisations & Critical Infrastructure
Government
/about-us/view-all-content/news/new-joint-advice-on-artificial-intelligence-data-security

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.

Organisations & Critical Infrastructure
Government
/about-us/view-all-content/news-and-media/small-business-cyber-security/securing-customer-personal-data

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.

Small & medium businesses
/report-and-recover/recover-from/data-breaches

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.

Individuals & families
Small & medium businesses
/about-us/news/back-data-defend-against-cybercrime

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.

Individuals & families
Small & medium businesses
Organisations & Critical Infrastructure
Government
/about-us/alerts/optus-data-breach

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.

Individuals & families
Small & medium businesses
Organisations & Critical Infrastructure
/about-us/view-all-content/alerts-and-advisories/multiple-vulnerabilities-atlassian-confluence-data-center-and-server

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.

Small & medium businesses
Organisations & Critical Infrastructure
Government
/about-us/view-all-content/news/malicious-cyber-actors-using-spyware-to-target-individuals-personal-data

Malicious cyber actors using spyware to target individuals’ personal data   News

Apr 9, 2025 - New joint advisory on BADBAZAAR and MOONSHINE spyware.

Individuals & families
Small & medium businesses
Organisations & Critical Infrastructure
Government
/about-us/view-all-content/alerts-and-advisories/remote-code-execution-vulnerability-confluence-data-center-and-confluence-server

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.

Small & medium businesses
Organisations & Critical Infrastructure
Government
/node/2334

Data breach of personal information  

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Acknowledgement of Country

We acknowledge the Traditional Owners and Custodians of Country throughout Australia and their continuing connections to land, sea and communities.
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