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Safe Software Deployment   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.

Phishing   Threat

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

Fast Flux: A national security threat   Advisory

Apr 4, 2025 - This advisory is for network defenders and explains how Bulletproof Hosting Providers are using ‘fast flux’ to cycle quickly through bots and DNS records to bypass detection. It highlights the importance of using a reputable Protective DNS (PDNS) provider that detects and blocks fast flux.

How to protect yourself from malware   Guidance

Nov 10, 2023 - Malware (short for 'malicious software') is software that cybercriminals use to harm your computer system or network. Cybercriminals can use malware to gain access to your computer without you knowing, in targeted or broad-based attacks.

Securing customer personal data   Guidance

Jul 30, 2024 - 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 cryptography   Advice

Mar 18, 2025 - This chapter of the Information security manual (ISM) provides guidance on cryptography.

Domain Name System security for domain owners   Publication

Oct 6, 2021 - This publication provides information on DNS security for domain owners. It also shared helpful strategies to reduce the risk of domain misuse.

2020-001-4: Remediation for critical vulnerability in Citrix Application Delivery Controller and Citrix Gateway   Advisory

Jan 13, 2020 - On 19 January 2020, Citrix released patches for two versions of the Citrix Application Delivery Controller (ADC) and Citrix Gateway appliances. Citrix expects to have patches available across all supported versions of Citrix ADC, Citrix Gateway and Citrix SD-WAN WANOP before the end of January 2020.

Detecting socially engineered messages   Publication

Oct 6, 2021 - Socially engineered messages pose a significant threat to organisations. They can have a big impact, helping malicious actors access accounts, systems or sensitive information. Learn how to spot a socially engineered message, including through email, SMS, social media or messaging apps.

Email security  

Jul 29, 2024 - Protect yourself, your employees and business from an email security incident before it's too late.

Protecting Against Cyber Threats to Managed Service Providers and their Customers   Advisory

May 12, 2022 - This advisory describes cybersecurity best practices for information and communications technology (ICT), focusing on guidance that enables transparent discussions between MSPs and their customers on securing sensitive data.

Report and recover from hacking   Guidance

Apr 11, 2023 - If someone has stolen your money or personal information, find out what to do and who to contact. We also provide advice on how to avoid scams in future.

Spotting scams   Guidance

Learn how to identify phishing messages to stay safe and protect your personal information.

Guidelines for cybersecurity incidents   Advice

Mar 18, 2025 - This chapter of the Information security manual (ISM) provides guidance on cybersecurity incidents.

ASD's ACSC Annual Cyber Threat Report, July 2021 to June 2022   Reports and statistics

Nov 4, 2022 - The Annual Cyber Threat Report is the Australian Signals Directorate’s Australian Cyber Security Centre's (ASD’s ACSC) flagship unclassified publication. The Report provides an overview of key cyber threats impacting Australia, how the ACSC is responding to the threat environment, and crucial advice for Australian individuals and organisations to protect themselves online.

Resources library  

Nov 21, 2024 - Resources for individuals, families and small businesses

Engaging with artificial intelligence   Publication

Jan 24, 2024 - The purpose of this paper is to provide organisations with guidance on how to use artificial intelligence (AI) systems securely. The paper summarises some important threats related to AI systems and includes cybersecurity mitigation strategies to aid organisations in engaging with AI while managing risk. It provides mitigations to assist both organisations that maintain their own AI systems and organisations that use third-party AI systems.

Gateway security guidance package: Executive guidance   Publication

Jul 29, 2022 - The purpose of this guidance is to inform decision-makers at the executive level of their responsibilities, the appropriate considerations needed to make informed risk-based decisions, and to meet policy obligations when leading the design or consumption of their organisation’s gateway services.

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.

Cyber Security Awareness Month 2024   News

Oct 1, 2024 - October is Cyber Security Awareness Month, a time for all Australians to talk about cyber security and take action to protect their devices and accounts.

Antivirus software   Guidance

Apr 11, 2023 - The consequences of viruses, spyware and other malicious software can be serious and far reaching. Follow our guidance about using antivirus software.

Supporting Australian organisations through a cybersecurity incident   Guidance

Dec 18, 2024 - Malicious cyber activity continues to pose a significant risk to Australia’s security and prosperity. Australian organisations that have been, or may be impacted by a cybersecurity incident, are encouraged to reach out to the Australian Signal’s Directorate (ASD) to seek  technical incident response advice and assistance.

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 your email   Guidance

Jul 29, 2024 - How to protect yourself when using email and reduce spam and malicious emails.

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.

Cybersecurity Best Practices for Smart Cities   Publication

Apr 20, 2023 - This guidance is the result of a collaborative effort from the United States Cybersecurity and Infrastructure Security Agency (CISA), the United States National Security Agency (NSA), the United States Federal Bureau of Investigation (FBI), the United Kingdom National Cyber Security Centre (NCSC-UK), the Australian Signals Directorate’s Australian Cyber Security Centre (ASD’s ACSC), the Canadian Centre for Cyber Security (CCCS), and the New Zealand National Cyber Security Centre (NCSC-NZ).

Update your small business cyber security   News

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

New fact sheet for critical infrastructure leaders – actions to mitigate PRC state-sponsored cyber activity   News

Mar 20, 2024 - The fact sheet provides guidance for critical infrastructure leadership to protect their infrastructure and critical functions from Volt Typhoon – a state-sponsored cyber actor linked to the People’s Republic of China (PRC).

2021-007: Log4j vulnerability – advice and mitigations   Advisory

Dec 29, 2021 - On 10 December 2021, ASD's ACSC released an alert relating to a serious vulnerability in versions of the Log4j Java logging library. Malicious cyber actors are using this vulnerability to target and compromise systems globally and in Australia. The ASD's ACSC is working with a significant number of victims and affected vendors across all sectors of the economy.

Small Business Cloud Security Guides: Technical Example - Application Control   Publication

Dec 16, 2022 - Application control restricts the ability of an application to run or install on a device. Application control makes it harder for users to intentionally or unintentionally install unwanted or malicious software.