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Cryptomining   Threat

Jun 23, 2020 - Cryptocurrency mining (cryptomining) uses the processing power of computers to solve complex mathematical problems and verify cybercurrency transactions. The miners are then rewarded with a small amount of cybercurrency.

First Nations business resources   Guidance

Jan 5, 2023 - Cybercriminals are finding new ways to target First Nations businesses all the time. There are a few simple things you can do to keep yourself and your business secure online.

Email hardening  

Oct 31, 2025 - This page lists publications on the hardening of message exchange via electronic mail.

Preventing business email compromise   Guidance

Apr 11, 2023 - There are many easy steps and actions you can take now to protect your business. Learn about the simple, cost-effective and immediately beneficial protective measures you can implement.

Information security manual  

Dec 4, 2025 - The Information security manual (ISM) is a cyber security framework that an organisation can apply, using their risk management framework, to protect their information technology and operational technology systems, applications and data from cyber threats.

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.

Report and recover from malware   Guidance

Nov 10, 2023 - If you’ve fallen victim to a malware attack, find out what to do and who to contact.

Passkeys  

May 29, 2025 - Secure your online account with a passkey

Strategies to mitigate cybersecurity incidents: Mitigation details   Publication

Feb 1, 2017 - The Australian Signals Directorate (ASD) has developed prioritised mitigation strategies to help cybersecurity professionals in all organisations mitigate cybersecurity incidents caused by various cyberthreats. This guidance addresses targeted cyber intrusions (i.e. those executed by advanced persistent threats such as foreign intelligence services), ransomware and external adversaries with destructive intent, malicious insiders, ‘business email compromise’, and industrial control systems.

Countering Chinese State-Sponsored Actors Compromise of Networks Worldwide to Feed Global Espionage System   Advisory

Aug 28, 2025 - This joint cyber security advisory gives vital insights on People’s Republic of China (PRC) state-sponsored cyber threat actors, how they gain and maintain persistent access, and the capabilities they have. It provides threat hunting guidance and mitigation strategies to help safeguard your networks.

Cyber security priorities for boards of directors 2025-26   Publication

Oct 30, 2025 - This advice outlines questions boards can ask of management and their organisation to understand its cyber security posture in the current cyber threat environment.

2022-02: Australian organisations should urgently adopt an enhanced cyber security posture   Advisory

Apr 28, 2022 - Entities should follow ACSC advice and act on improving their resilience within a heightened threat environment.

Building cyber capability and resilience across the Asia Pacific region   News

Nov 6, 2025 - Working together to engage with international partners to drive cyber security uplift and cyber threat awareness.

Glossary  

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

Update your small business cyber security   News

Jun 12, 2024 - Resources to help protect small businesses from cyber threats.

Small business hub  

Sep 30, 2025 - How to protect your small business from common cyber threats.

Cyber security guidelines  

Jun 13, 2024 - Practical guidance on how an organisation can protect their information technology and operational technology systems, applications and data from cyber threats.

Foundations for modern defensible architecture   Publication

Oct 23, 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.

Australia joins US and UK to warn of 2021 Ransomware trends   News

Feb 10, 2022 - Ransomware continues to be a global threat, and cybercriminals using ransomware pose a significant risk to Australian organisations and households.

Sextortion email campaign impacting Australians   Alert

Apr 16, 2020 - A large number of Australians are being impacted by an email ‘sextortion’ campaign in which the cyber scammers responsible have threatened to release personal and sensitive information to the recipients’ contacts unless the scammer is paid in cash or bitcoin.