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Quantum technology primer: Overview Publication
Dec 15, 2025 - Learn about quantum technologies, the principles that enable their unique capabilities, and how organisations can prepare.
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.
Report and recover from business email compromise Guidance
Jul 14, 2023 - Step-by-step guidance on how to respond to and recover from email compromise and impersonation attempts.
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.
ASD's ACSC urges victims to report cybercrimes News
Jul 17, 2023 - The Australian Signals Directorate’s Australian Cyber Security Centre (ASD's ACSC) is urging all Australians to report cybercrimes immediately to ReportCyber amid the growing number of cybercrimes impacting Australians.
Cyber security terminology Advice
Dec 4, 2025 - This chapter of the Information security manual (ISM) provides guidance on cyber security terminology.
U.S., U.K., and Australia Issue Joint Cybersecurity Advisory News
Jul 28, 2021 - Cyber Agencies Share Top Routinely Exploited Vulnerabilities
Critical Infrastructure Uplift Program (CI-UP) Program
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.
Essential Eight Maturity Model Update News
Nov 27, 2023 - The Australian Signals Directorate has updated the Essential Eight Maturity Model (E8MM).
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.
Social media terms of use
May 7, 2024 - The Australian Signals Directorate’s Australian Cyber Security Centre (ASD’s ACSC) uses a number of social media services as part of its communications activities. These services include Facebook, Twitter, LinkedIn, Vimeo and YouTube.
COVID-19 malicious cyber activity Alert
May 22, 2020 - Malicious cyber actors are actively targeting individuals and Australian organisations with COVID-19 related scams and phishing emails. These incidents are likely to increase in frequency and severity over the coming weeks and months. This is due, in part, to the ease in which existing scam emails and texts can be modified with a COVID-19 theme.
New guidance to help fortify Australia’s critical infrastructure News
Oct 13, 2025 - Australian CI is, and will continue to be, an attractive target for state-sponsored cyber actors. Read the CI Fortify publication to learn two actions CI operators can take to strengthen their resilience in preparation for instances of crisis or service disruption.
Archived ISM releases Service
Dec 4, 2025 - List of archived ISM releases.
ASD's ACSC social media community
Connect with us on Facebook, Twitter and YouTube, and find out how to subscribe to our RSS feeds.
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.
Guidelines for system management Advice
Dec 4, 2025 - This chapter of the Information security manual (ISM) provides guidance on system management.
High Severity vulnerability present in OpenSSL version 3.x Alert
Nov 2, 2022 - The Australian Signals Directorate’s Australian Cyber Security Centre (ASD’s ACSC) is aware of a buffer overrun and buffer overflow vulnerability in OpenSSL versions above to 3.0. All Australian organisations using version 3.x should apply the available patch immediately.
Microsoft's investment in Australia’s cyber security News
Oct 24, 2023 - The Prime Minister has announced Microsoft’s $5 billion commitment to building Australia’s cyber defence.
ASD's ACSC participation in Asia Pacific Computer Emergency Response Team (APCERT) Drill News
Aug 25, 2021 - The Australian Signals Directorate’s Australian Cyber Security Centre (ASD’s ACSC) has joined international partners in the annual Asia Pacific Computer Emergency Response Team (APCERT) Drill.
