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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.

If things go wrong   Guidance

If you think you're a victim of a scam, there are steps you can take to protect yourself from further harm.

Securing PowerShell in the enterprise   Publication

Oct 6, 2021 - This publication describes a maturity framework for PowerShell, balancing the security and business requirements of organisations. This framework enables organisations to take incremental steps towards securing PowerShell across their environment.

Secure your NAS device   Guidance

Nov 29, 2024 - Protect your network-attached storage (NAS) device and the important data it holds with this guide.

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.

Shifting the balance of cybersecurity risk   Publication

Oct 17, 2023 - The Cybersecurity and Infrastructure Security Agency (CISA), National Security Agency (NSA), Federal Bureau of Investigation (FBI), the Australian Signals Directorate’s Australian Cyber Security Centre (ASD’s ACSC) and the following international partners provide the recommendations in this guide as a roadmap for technology manufacturers to ensure security of their products.

Secure by Design foundations   Publication

Jul 30, 2024 - ASD’s ACSC's Secure by Design foundations represent a first step in a new approach to assist technology manufacturers and customers to adopt Secure by Design. While the foundations are primarily designed to foster discussion within technology manufacturers on how to best approach Secure by Design, they contain relevant information and actions for technology customers.

Artificial intelligence for small business   Publication

Jan 14, 2026 - This guide explains the key cyber security risks of adopting AI technologies and how to reduce while adopting. While traditional threats such as phishing, ransomware and insider threats are still relevant, this guide focuses on other risks that AI introduces.

Microsoft Exchange Server security best practices   Publication

Oct 31, 2025 - This paper—authored by the National Security Agency (NSA), Cybersecurity and Infrastructure Security Agency (CISA), Australian Signals Directorate’s Australian Cyber Security Centre (ASD’s ACSC), and Canadian Centre for Cyber Security (Cyber Centre)—provides security best practices for administrators on hardening on-premises (on-prem) Exchange.

Managing cryptographic keys and secrets   Publication

Aug 26, 2025 - This guide has been developed to help organisational personnel in understanding the threat environment and the value of implementing secure keys and secrets management to make better informed decisions.

Azul malware analysis tool   Guidance

Feb 24, 2026 - Azul is an open‑source malware repository and analysis platform that enhances threat investigations and supports proactive cyber defence for Australian organisations.

Safe software deployment: How software manufacturers can ensure reliability for customers   Publication

Oct 25, 2024 - It is critical for all software manufacturers to implement a safe software deployment program supported by verified processes, including robust testing and measurements.

Protect yourself from ransomware   Guidance

Feb 12, 2025 - A ransomware attack could block you from accessing your device or the information on it. Take some time to consider how a ransomware attack might affect you.

Hacking   Threat

Jan 5, 2023 - Hacking refers to unauthorised access of a system or network, often to exploit a system’s data or manipulate its normal behaviour.

Report and recover from account compromise   Guidance

Nov 10, 2023 - A guide to recovering your account and protecting you against future attacks.

Recovering a compromised online account   Guidance

Nov 10, 2023 - Online accounts are important for our day-to-day activities and often store sensitive information about us. This can make them useful for cybercriminals looking to gain access to our resources or identities.

Recovering compromised bank accounts and online payment accounts   Guidance

Nov 10, 2023 - Bank accounts are among the most important accounts to us and the most prized accounts to cybercriminals.

Exchange server critical vulnerabilities   Alert

Apr 15, 2021 - On 2 March 2021 Microsoft released information regarding multiple exploits being used to compromise instances of Microsoft Exchange Server. Malicious actors are exploiting these vulnerabilities to compromise Microsoft Exchange servers exposed to the internet, enabling access to email accounts and to enable further compromise of the Exchange server and associated networks.

Cyber Security Awareness Month 2021   News

Oct 5, 2021 - October is Cyber Security Awareness Month.

Recovering a compromised email account   Guidance

Nov 10, 2023 - Email accounts are valuable targets for cybercriminals. Not just because they store sensitive messages, but also because they can be used to impersonate the account owner, to spread scams, and to perform password resets.