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CVE-2024-24919 - Check Point Security Gateway Information Disclosure   Alert

May 31, 2024 - The ASD’s ACSC is aware of CVE-2024-24919 that enables access of sensitive information to an unauthorised actor.

Small business  

Jun 15, 2023 - Basic steps to protect your business and staff from cyberthreats. Our guide has information and resources to help you and your staff prepare for cyberattacks.

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.

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.

Preparing for and responding to denial-of-service attacks   Publication

Mar 17, 2025 - Although organisations cannot avoid being targeted by denial-of-service attacks, there are a number of measures that organisations can implement to prepare for and potentially reduce the impact if targeted. Preparing for denial-of-service attacks before they occur is by far the best strategy, it is very difficult to respond once they begin and efforts at this stage are unlikely to be effective.

Guidelines for cybersecurity roles   Advice

Sep 4, 2025 - This chapter of the Information security manual (ISM) provides guidance on cybersecurity roles.

Technical example: Restrict administrative privileges   Publication

Dec 16, 2022 - Privileged account credentials are prized by cybercriminals because they provide extensive access to high value assets within a network. Restricting privileged access to only users with a demonstrated business need is essential to protecting your environment.

Critical vulnerabilities in Citrix NetScaler ADC and NetScaler Gateway Products   Alert

Jul 4, 2025 - The ASD's ACSC is aware of critical vulnerabilities in Citrix NetScaler ADC and NetScaler Gateway Products (CVE-2025-5349, CVE-2025-5777).

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.

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.

Call for presentations  

Jul 9, 2025 -

Phone scams impersonating Australian businesses and government agencies   Alert

Aug 13, 2020 - Cybercriminals are spoofing Australian mobile numbers and pretending to be from an Australian Government agency, delivery company or business, manipulating the individual to gain access to their device.

Risk management of enterprise mobility (including Bring Your Own Device)   Publication

Oct 6, 2021 - This publication has been developed to provide senior business representatives with a list of enterprise mobility considerations. These include business cases, regulatory obligations and legislation, available budget and personnel resources, and risk tolerance. Additionally, risk management controls are provided for cybersecurity practitioners.

Detecting and mitigating Active Directory compromises   Publication

Jan 22, 2025 - This publication provides an overview of techniques used to compromise Active Directory, and recommended strategies to mitigate these techniques. By implementing the recommendations in this publication, organisations can significantly improve their Active Directory security, and therefore their overall network security posture.

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).

Cyber skills framework   Publication

Sep 10, 2020 - The Cyber Skills Framework enables targeted recruitment of cyber specialists, provides a development pathway for current and future cyber staff, and aligns skills, knowledge and attributes with national and international industry standards.

Vulnerability in Microsoft Office SharePoint Server products   Alert

Jul 20, 2025 - ASD’s ACSC is aware of a vulnerability (CVE-2025-53770) affecting instances of Microsoft Office SharePoint Server products. Organisations are strongly encouraged to take immediate action to mitigate and detect compromise on relevant systems.

Guidelines for system monitoring   Advice

Sep 4, 2025 - This chapter of the Information security manual (ISM) provides guidance on system monitoring.

Report and recover from ransomware   Guidance

Jul 14, 2023 - Learn where to get help from a ransomware attack, and steps to protect yourself against future incidents.

Guidelines for system hardening   Advice

Sep 4, 2025 - This chapter of the Information security manual (ISM) provides guidance on system hardening.

How to manage your security when engaging a managed service provider   Publication

Oct 6, 2021 - Understand the actions organisations can take to manage the security risks posed by engaging and authorising network access for managed service providers.

ForgeRock Open AM critical vulnerability   Alert

Jul 7, 2021 - The Australian Signals Directorate’s Australian Cyber Security Centre (ASD’s ACSC) has observed active exploitation of a vulnerability in ForgeRock OpenAM (reported as CVE-2021-35464) against a number of Australian organisations. The ASD’s ACSC strongly recommends organisations urgently apply available patches or workarounds to mitigate the risk of this vulnerability being exploited.

Multiple vulnerabilities affecting NetScaler ADC and NetScaler Gateway devices   Alert

Aug 27, 2025 - The Australian Signals Directorate’s Australian Cyber Security Centre (ASD’s ACSC) is aware of multiple vulnerabilities (CVE-2025-7775, CVE-2025-7776 & CVE-2025-8424) affecting NetScaler ADC (formerly Citrix ADC) and NetScaler Gateway (formerly Citrix Gateway) products.

Archived Alerts and Advisories  

Jan 23, 2025 - Search archived cyber security alerts and advice

Essential Eight explained   Publication

Nov 27, 2023 - This publication provides an overview of the Essential Eight.

Exercise in a Box is here   News

Nov 17, 2022 - This service provides an all in one platform that your organisation can use to assess and improve its cyber security practices in your own time, in a safe environment, and as many times as you want.

Managed service providers: How to manage risk to customer networks   Publication

Oct 6, 2021 - There are several mitigation strategies that managed service providers can implement to protect their own networks and manage the security risks posed to their customers’ networks.

Potential SolarWinds Orion compromise   Alert

Jan 25, 2021 - FireEye identifies global campaign leveraging malicious updates to SolarWinds software.

New domain name changes could leave your business or organisation at risk   Alert

Mar 23, 2022 - The new domain name category, could leave your business or organisation open to fraudulent cyber activity. Register your .au domain name before it becomes available to the general public.

People's Republic of China State-Sponsored Cyber Actor Living off the Land to Evade Detection   Advisory

May 25, 2023 - The People's Republic of China State-Sponsored Cyber Actor Living off the Land to Evade Detection joint advisory provides examples of the cyber actor’s commands, along with detection signatures to aid network defenders in hunting for this activity.