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/about-us/view-all-content/alerts-and-advisories/pro-russia-hacktivists-conduct-opportunistic-attacks-against-us-and-global-critical-infrastructure

Pro-Russia Hacktivists Conduct Opportunistic Attacks Against US and Global Critical Infrastructure   Advisory

Dec 10, 2025 - This joint Cybersecurity Advisory outlines the tactics, techniques and procedures used by pro-Russia hacktivist groups conducting unsophisticated attacks against US and global critical infrastructure, as well as recommended mitigations.

Organisations & Critical Infrastructure
Government
/learn-basics/explore-basics/recognise-and-report-scams

Recognise and report scams  

Feb 1, 2023 - Scams are a common way that cybercriminals compromise accounts. Being alert to scam messages is a great way to protect yourself online.

/business-government/secure-design/secure-by-design/modern-defensible-architecture/investing-in-modern-defensible-architecture

Investing in modern defensible architecture   Publication

Oct 23, 2025 - The Australian Signals Directorate’s Australian Cyber Security Centre (ASD’s ACSC) and international partners present this guidance to help organisations develop an MDA investment roadmap based on their organisational strategy, business and security objectives, risk profile and threat context.

Organisations & Critical Infrastructure
/business-government/asds-cyber-security-frameworks/ism/cyber-security-terminology

Cyber security terminology   Advice

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

Organisations & Critical Infrastructure
Government
/business-government/secure-design/operational-technology-environments/principles-for-the-secure-integration-of-artificial-intelligence-in-operational-technology

Principles for the secure integration of Artificial Intelligence in Operational Technology   Publication

Dec 4, 2025 - This publication provides guidance for critical infrastructure owners and operators for integrating AI into operational technology (OT) environments. It outlines key principles to leverage the benefits of AI in OT systems while minimising risk.

Organisations & Critical Infrastructure
Government
/business-government/secure-design/artificial-intelligence/guidelines-for-secure-ai-system-development

Guidelines for secure AI system development   Publication

Nov 27, 2023 - This document recommends guidelines for providers of any systems that use artificial intelligence (AI), whether those systems have been created from scratch or built on top of tools and services provided by others. This document is aimed primarily at providers of AI systems who are using models hosted by an organisation, or are using external application programming interfaces (APIs).

Small & medium businesses
Organisations & Critical Infrastructure
Government
/about-us/news/ditch-password-for-passphrases

Why it’s time to ditch your one password for passphrases   News

Apr 28, 2023 - Your accounts are only as strong as the tools keeping them secure. One of the most effective ways of protecting your personal information and accounts is to use a strong passphrase.

Individuals & families
/business-government/secure-design/operational-technology-environments/foundations-for-ot-cybersecurity-asset-inventory-guidance-for-owners-and-operators

Foundations for OT cybersecurity: Asset inventory guidance for owners and operators   Publication

Aug 14, 2025 - This guidance outlines how OT owners and operators can create and maintain an asset inventory and OT taxonomy, to protect their most vital assets. It includes steps for defining scope and objectives for the inventory, identifying assets, collecting attributes, creating a taxonomy, managing data, and implementing asset life cycle management.

Organisations & Critical Infrastructure
Government
/business-government

For business and government  

Resources for business and government on cyber security.

/about-us/view-all-content/publications/bulletproof-hosting-providers

"Bulletproof" hosting providers   Publication

Jan 22, 2025 - Bulletproof hosting (BPH) providers lease cybercriminals a virtual and/or physical infrastructure from which to operate. BPH providers are a specific class of internet infrastructure service that enables malicious actors (including cybercriminals) to host illicit content and run operations on the internet.

Organisations & Critical Infrastructure
Government
/protect-yourself/securing-your-accounts/passphrases

Passphrases  

Protect your accounts from cybercriminals with a secure password or passphrase.

Individuals & families
Small & medium businesses
Organisations & Critical Infrastructure
Government
/learn-basics/view-resources/glossary

Glossary  

List of glossary terms used on cyber.gov.au website

/learn-basics/explore-basics/update-your-devices

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. 

/learn-basics/explore-basics/seniors

Seniors  

Jun 23, 2023 - This guide provides some simple steps and resources to protect your personal information, accounts and life savings when going online.

/about-us/view-all-content/news/new-guidance-small-businesses-protect-your-devices-and-accounts

New guidance for small businesses to protect your devices and accounts   News

Jul 9, 2025 - Follow a list of step-by-step actions to help protect your Apple, Google and Microsoft devices and accounts.

Small & medium businesses
/about-us/advisories/understanding-ransomware-threat-actors-lockbit

Understanding Ransomware Threat Actors: LockBit   Advisory

May 8, 2024 - The Australian Signals Directorate’s Australian Cyber Security Centre (ASD's ACSC) alongside international partners have released a joint advisory on the ransomware variant LockBit. It functions as an affiliate-based Ransomware-as-a-Service (RaaS) model where affiliates are recruited to conduct ransomware attacks using LockBit ransomware tools and infrastructure.

Individuals & families
Small & medium businesses
Organisations & Critical Infrastructure
Government
/business-government/protecting-business-leaders/cyber-security-for-business-leaders/practical-cyber-security-tips-for-business-leaders

Practical cyber security tips for business leaders   Publication

Jan 17, 2024 - Business leaders can be appealing targets for malicious actors due to the sensitive information they can access, the important people they interact with and the influence they hold. This publication includes a checklist of practical tips business leaders can implement to improve their cybersecurity. The checklist is followed by a brief explanation of each tip and why it is recommended.

Small & medium businesses
Organisations & Critical Infrastructure
/about-us/view-all-content/news-and-media/2023-ASD-cyber-threat-report

Australian Signals Directorate releases 2023 ASD Cyber Threat Report   News

Nov 15, 2023 - The Australian Signals Directorate has released its fourth ASD Cyber Threat Report.

Individuals & families
Small & medium businesses
Organisations & Critical Infrastructure
Government
/business-government/secure-design/artificial-intelligence/artificial-intelligence-and-machine-learning-supply-chain-risks-and-mitigations

Artificial intelligence and machine learning: Supply chain risks and mitigations   Publication

Oct 16, 2025 - This guidance is intended for organisations and staff that deploy or develop AI or ML systems and components.

Organisations & Critical Infrastructure
Government
/threats/types-threats/phishing

Phishing   Threat

Mar 19, 2023 - Learn about phishing attacks and know what to do if you've been targeted.

Individuals & families

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