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Secure your website   Guidance

Jul 29, 2024 - Small business account for over 95% of all businesses in Australia and 72% of them have a website. However, in a world in which websites are increasingly being targeted by cyber criminals, only 36% check for updates every week. For those small businesses with a website, or that are considering one, these three quick wins will help you protect your money, data and reputation.

The Commonwealth Cyber Security Posture in 2022   Reports and statistics

Dec 16, 2022 - The Commonwealth Cyber Security Posture in 2022 (the report) informs Parliament on the implementation of cybersecurity measures across the Commonwealth government, for the period January 2021 to June 2022. As of June 2022, the Commonwealth comprised 97 non-corporate Commonwealth entities (NCCEs), 71 corporate Commonwealth entities (CCEs) and 17 Commonwealth companies (CCs).

Cyber security 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).

Business Continuity in a Box   Guidance

Aug 21, 2024 - Business Continuity in a Box assists organisations to swiftly and securely stand up critical business functions during or following a cybersecurity incident that has affected the availability or trust of existing systems.

Implementing SIEM and SOAR platforms: Practitioner guidance   Publication

May 27, 2025 - This publication provides high-level guidance for cyber security practitioners on Security Information and Event Management (SIEM) and Security Orchestration, Automation, and Response (SOAR) platforms.

Gateway security guidance package: Gateway security principles   Publication

Jul 29, 2025 - Guidance written for audiences responsible for the procurement, operation and management of gateways.

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.

The Commonwealth Cyber Security Posture in 2024   Reports and statistics

Dec 5, 2024 - The Commonwealth Cyber Security Posture in 2024 informs the Australian Parliament on cyber security measures implemented across the Australian Government for the 2023–24 financial year.

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.

Domain Name System security for domain resolvers   Publication

Oct 6, 2021 - This publication explores DNS security for recursive resolution servers. It also shares helpful strategies to reduce the risk of DNS resolver subversion or compromise.

Critical Infrastructure Uplift Program (CI-UP)   Program page

Apr 16, 2024 - The Critical Infrastructure Uplift Program (CI-UP) offers a range of services that assist critical infrastructure (CI) partners to improve their resilience against cyberattacks.

Safer Internet Day 2021   News

Feb 9, 2021 - Safer Internet Day on 9 February 2021 aims to raise awareness of emerging online issues and share strategies everyone can use for staying secure online.

Strategies to mitigate cybersecurity incidents   Publication

Feb 1, 2017 - The Australian Signals Directorate (ASD) has developed prioritised mitigation strategies to help 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.

Cloud assessment and authorisation   Publication

Jan 18, 2024 - This publication is co-designed with industry to support the secure adoption of cloud services across government and industry.

Are you ready for Australian domain name changes?   Alert

Aug 8, 2022 - Australians have until 20 September 2022 to seek priority allocation of an .au direct domain name that matches their existing domain name.

Be Ready - auDA Domain Name Changes   News

Mar 23, 2022 - The new domain name category could leave your business or organisation open to fraudulent cyber activity, such as business email compromise.

Secure by Demand   Publication

Jan 14, 2025 - This Secure by Demand guide, authored by CISA with contributions from the following partners, describes how OT owners and operators should integrate security into their procurement process when purchasing industrial automation and control systems as well as other OT products.

Joint advisory released for Managed Service Providers and Customers to mitigate cybersecurity risks   News

May 12, 2022 - The Australian Signals Directorate’s Australian Cyber Security Centre (ASD’s ACSC) has today joined with international cyber security agency partners, to warn Managed Service Providers (MSP) of pressing cyber risks and provide guidance on suitable mitigations for them and their customers.

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.

Security configuration guide: Apple iOS 14 devices   Publication

Oct 6, 2021 - ASD has developed this guide to assist Australians to understand risks when deploying iOS 14 devices and the security requirements that need to be met to allow them to handle classified data.

Implementing multi-factor authentication   Publication

Nov 27, 2023 - This publication has been developed to provide guidance on what multi-factor authentication is, different multi-factor authentication methods that exist and why some multi-factor authentication methods are more secure, and therefore more effective, than others.

The Commonwealth Cyber Security Posture in 2023   Reports and statistics

Nov 16, 2023 - The Commonwealth Cyber Security Posture in 2023 informs Parliament on the implementation of cyber security measures across the Australian Government for the 2022–23 financial year. According to the Flipchart of PGPA Act Commonwealth entities and companies, as of 30 June 2023 the Australian Government comprised 100 non-corporate Commonwealth entities (NCEs), 72 corporate Commonwealth entities (CCEs) and 17 Commonwealth companies (CCs); totalling 189 Australian government entities.

Principles of operational technology cyber security   Publication

Oct 2, 2024 - Critical infrastructure organisations provide vital services, including supplying clean water, energy, and transportation, to the public. These organisations rely on operational technology (OT) to control and manage the physical equipment and processes that provide these critical services. As such, the continuity of vital services relies on critical infrastructure organisations ensuring the cybersecurity and safety of their OT.

The Commonwealth Cyber Security Posture in 2020   Reports and statistics

Jun 10, 2021 - The Commonwealth Cyber Security Posture Report in 2020 informs the Parliament of the status of the Commonwealth’s cybersecurity posture. Overall, the report found that Commonwealth entities continued to improve their cybersecurity in 2020. Ongoing effort is required to maintain the currency and effectiveness of cybersecurity measures.

Windows event logging and forwarding   Publication

Oct 6, 2021 - This publication has been developed as a guide to the setup and configuration of Microsoft Windows event logging and forwarding.

Deploying AI systems securely   Publication

Apr 16, 2024 - AI security is a rapidly evolving area of research. As agencies, industry, and academia discover potential weaknesses in AI technology and techniques to exploit them, organizations will need to update their AI systems to address the changing risks, in addition to applying traditional IT best practices to AI systems.

Critical remote code execution vulnerability found in the Log4j library   Alert

Dec 21, 2021 - A vulnerability (CVE-2021-44228) exists in certain versions of the Log4j library. A malicious cyber actor could exploit this vulnerability to execute arbitrary code. Australian organisations should apply latest patches immediately where Log4j is known to be used.

Small business cyber security guide   Publication

Jun 16, 2023 - This guide includes basic security measures to help protect your business against common cyber threats.

Foundations for modern defensible architecture   Publication

Feb 10, 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.

The silent heist: cybercriminals use information stealer malware to compromise corporate networks   Advisory

Sep 2, 2024 - Information stealer malware steals user login credentials and system information that cyber threat actors exploit, predominantly for monetary gain. Information stealers have been observed in attacks against multiple organisations and sectors worldwide, including Australia. This advisory provides readers with cyber security guidance on information stealers, including threat activity and mitigation advice for individuals and organisations.