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Serious vulnerabilities in Atlassian products including Confluence, Jira and Bitbucket Alert
Dec 7, 2023 - The Australian Signals Directorate’s Australian Cyber Security Centre (ACSC) is concerned about serious vulnerabilities in certain Atlassian products (CVE-2023-22522, CVE-2023-22523 and CVE-2022-1471) which are fixed by recent patches. Operators are urged to review Atlassian’s advice and implement recommended mitigations before exploitation begins.
Exploitation of Unitronics Programmable Logic Controllers (PLCs) Alert
Dec 5, 2023 - The Australian Signals Directorate’s Australian Cyber Security Centre (ASD's ACSC) is concerned about global exploitation of Programmable Logic Controllers (PLC) and is aware of reports of compromise of these devices in Australia. These devices are present in a number of critical sectors such as water, energy, fuel and healthcare.
Cyber resources for small businesses News
Feb 11, 2022 - Last December, the Council of Small Business Organisations Australia (COSBOA) co-hosted an Act Now, Stay Secure breakfast at the National Portrait Gallery, along with the Australian Signals Directorate’s Australian Cyber Security Centre (ASD’s ACSC) and the Department of Home Affairs.
Artificial intelligence
Apr 12, 2024 - This page lists publications on the governance and use of artificial intelligence.
Essential Eight Assessment Guidance Package News
Nov 23, 2022 - The Australian Signals Directorate has published updated guidance to help ensure consistent Essential Eight assessment 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.
Vulnerability Affecting BlackBerry QNX RTOS Alert
Aug 18, 2021 - BlackBerry has disclosed that its QNX Real Time Operating System is affected by a BadAlloc vulnerability - CVE-2021-22156. QNX is the world’s most prevalent real time operating system.
People’s Republic of China (PRC) State-Sponsored Cyber Actor Living Off the Land to Evade Detection Alert
May 25, 2023 - The Australian Signals Directorate’s Australian Cyber Security Centre (ASD's ACSC), in conjunction with the United States (US) National Security Agency (NSA) its international partners, has released a Cybersecurity Advisory regarding a PRC state-sponsored cyber actor conducting activity impacting US critical infrastructure (CI) sectors. Because of the potential risk to CI sectors outside the US, all organisations are encouraged to review the published Advisory and report any malicious activity to the ASD's ACSC.
ISM feedback form Service
Mar 2, 2023 - ISM feedback and enquiries.
ASD's ACSC Annual Cyber Threat report 2020-21 News
Sep 16, 2021 - The Assistant Minister for Defence, The Hon Andrew Hastie MP, released the Australian Signals Directorate’s Australian Cyber Security Centre's (ASD’s ACSC) Annual Cyber Threat Report 2020-21.
U.S., U.K., and Australia Issue Joint Cybersecurity Advisory News
Jul 28, 2021 - Cyber Agencies Share Top Routinely Exploited Vulnerabilities
Australian organisations encouraged to urgently adopt an enhanced cyber security posture Alert
Mar 28, 2022 - Australian organisations are encouraged to urgently adopt an enhanced cyber security posture. Organisations should act now and follow ACSC’s advice to improve their cyber security resilience in light of the heightened threat environment.
Advisory 2020-016: "Zerologon" - Netlogon Elevation of Privilege Vulnerability (CVE-2020-1472) Advisory
Sep 22, 2020 - The ACSC recommends organisations immediately patch affected Microsoft Windows systems with the Microsoft August 2020 Security Updates, released 11/08/2020.
Small business cloud security guides
Apr 2, 2024 - ASD's ACSC has released a series of guides designed to help small businesses secure their cloud environment.
JCSC virtual presentations on Log4j2 vulnerability – Friday 17 December News
Dec 16, 2021 - A critical alert and advisory has been published on the Log4j2 vulnerability. On Friday 17 December 2021, ASD's ACSC’s Joint Cyber Security Centres (JCSCs) will facilitate a series of virtual awareness and advice sessions about this vulnerability. Australians are urged to act now to secure their computer systems against this critical software vulnerability.
Report a vulnerability Service
Report vulnerabilities that are not publicly known, through the Australian Signals Directorate’s Australian Cyber Security Centre's (ASD’s ACSC) coordinated vulnerability disclosure service.
Archived reports and statistics
Feb 13, 2025 - Search archived report and statistics
Home
Sep 30, 2025 - Welcome to the Australian Cyber Security Centre website - cyber.gov.au
Connecting with others online
Jul 30, 2024 - It is easier than ever to stay in contact with people online. However, using popular online apps and tools can make you more susceptible to cybercriminals.