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/about-us/view-all-content/alerts-and-advisories/serious-vulnerabilities-in-atlassian-products-including-confluence-jira-and-bitbucket

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.

Small & medium businesses
Organisations & Critical Infrastructure
Government
/about-us/view-all-content/alerts-and-advisories/exploitation-unitronics-programmable-logic-controllers-plcs

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.

Small & medium businesses
Organisations & Critical Infrastructure
Government
/about-us/news/cyber-resources-small-businesses

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.

Small & medium businesses
/business-government/secure-design/artificial-intelligence

Artificial intelligence  

Apr 12, 2024 - This page lists publications on the governance and use of artificial intelligence.

Small & medium businesses
Organisations & Critical Infrastructure
Government
/about-us/news/essential-eight-assessment-guidance-package

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.

Small & medium businesses
Organisations & Critical Infrastructure
Government
/about-us/alerts/are-you-ready-australian-domain-name-changes

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.

Individuals & families
Small & medium businesses
Organisations & Critical Infrastructure
Government
/about-us/news/be-ready-auda-domain-name-changes

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.

Small & medium businesses
Organisations & Critical Infrastructure
Government
/about-us/alerts/vulnerability-affecting-blackberry-qnx-rtos

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.

Organisations & Critical Infrastructure
/about-us/alerts/prc-state-sponsored-cyber-actor-living-off-the-land-to-evade-detection

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.

Individuals & families
Small & medium businesses
Organisations & Critical Infrastructure
Government
/business-government/asds-cyber-security-frameworks/ism/ism-feedback-form

ISM feedback form   Service

Mar 2, 2023 - ISM feedback and enquiries.

Organisations & Critical Infrastructure
Government
/about-us/news/asdacsc-annual-cyber-threat-report-2020-21

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.

Individuals & families
Small & medium businesses
Organisations & Critical Infrastructure
Government
/about-us/media-releases/us-uk-and-australia-issue-joint-cybersecurity-advisory

U.S., U.K., and Australia Issue Joint Cybersecurity Advisory   News

Jul 28, 2021 - Cyber Agencies Share Top Routinely Exploited Vulnerabilities

Individuals & families
Small & medium businesses
Organisations & Critical Infrastructure
Government
/about-us/alerts/australian-organisations-encouraged-urgently-adopt-enhanced-cyber-security-posture

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.

Organisations & Critical Infrastructure
/about-us/advisories/advisory-2020-016-zerologon-netlogon-elevation-privilege-vulnerability-cve-2020-1472

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 & medium businesses
Organisations & Critical Infrastructure
Government
/business-government/small-business-cyber-security/small-business-hub/small-business-cloud-security-guides

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.

Small & medium businesses
/about-us/news/jcsc-virtual-presentations-log4j2-vulnerability-friday-17-december

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.

Individuals & families
Small & medium businesses
Organisations & Critical Infrastructure
Government
/report-and-recover/report/report-a-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.

Organisations & Critical Infrastructure
Government
/about-us/view-all-content/reports-and-statistics/archive

Archived reports and statistics  

Feb 13, 2025 - Search archived report and statistics

/node/2027

Home  

Sep 30, 2025 - Welcome to the Australian Cyber Security Centre website - cyber.gov.au

/protect-yourself/staying-secure-online/connecting-others-online

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.

Individuals & families
Small & medium businesses

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Acknowledgement of Country

We acknowledge the Traditional Owners and Custodians of Country throughout Australia and their continuing connections to land, sea and communities.
We pay our respects to them, their cultures and their Elders; past, present and emerging. We also recognise Australia's First Peoples' enduring contribution to Australia's national security.

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