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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.
Meltdown and Spectre patches unsuitable for some security products Advisory
Jan 11, 2020 - The Australian Signals Directorate’s Australian Cyber Security Centre (ASD’s ACSC) is aware of reporting that a variety of security products (e.g. antivirus solutions) are incompatible with Microsoft's patches for the Meltdown and Spectre vulnerabilities.
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.
ASD's ACSC social media community
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Hrvatski (Croatian) Guidance
Aug 17, 2023 - The information and resources available are intended to increase your safety online and have been translated into Croation.
Tiếng Việt (Vietnamese) Guidance
Aug 17, 2023 - The information and resources available are intended to increase your safety online and have been translated into Vietnamese.
Ελληνικά (Greek) Guidance
Aug 17, 2023 - The information and resources available are intended to increase your safety online and have been translated into Greek.
Tok Pisin (New Guinea Pidgin) Guidance
Aug 17, 2023 - The information and resources available are intended to increase your safety online and have been translated into New Guinea Pidgin.
Français (French) Guidance
Aug 17, 2023 - The information and resources available are intended to increase your safety online and have been translated into Français.
I-Kiribati (Gilbertese) Guidance
Aug 17, 2023 - The information and resources available are intended to increase your safety online and have been translated into I-Kiribati.
Bahasa Melayu (Malay) Guidance
Aug 17, 2023 - The information and resources available are intended to increase your safety online and have been translated into Bahasa Melayu.
Faa Samoa (Samoan) Guidance
Aug 17, 2023 - The information and resources available are intended to increase your safety online and have been translated into Faa Samoa.
Tétum (Tetum) Guidance
Aug 17, 2023 - The information and resources available are intended to increase your safety online and have been translated into Tetum.
Faka Tonga (Tongan) Guidance
Aug 17, 2023 - The information and resources available are intended to increase your safety online and have been translated into Faka Tonga.
Critical vulnerabilities in ‘ownCloud’ file share Alert
Nov 29, 2023 - The Australian Signals Directorate’s Australian Cyber Security Centre (ACSC) is aware of multiple critical vulnerabilities affecting the file sync and sharing software ‘ownCloud’. This primarily impacts self-hosted instances of the open-source product. Those impacted should apply the patches available and consider the workarounds made available by the vendor.
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.
Important Vulnerabilities in Microsoft’s July 2023 Security Update Alert
Jul 13, 2023 - The Australian Signals Directorate’s Australian Cyber Security Centre (ASD's ACSC) is concerned about vulnerabilities disclosed in Microsoft’s July 2023 Security Update. Government, businesses and individuals should patch their Microsoft products and apply any recommended mitigations as soon as possible.
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.
PRC state-sponsored cyber group APT40’s expanding tradecraft and tactics News
Jul 9, 2024 - The Australian Signals Directorate’s Australian Cyber Security Centre (ASD’s ACSC) has released a new joint advisory with international partners on the People’s Republic of China (PRC) Ministry of State Security (MSS) tradecraft in action.
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.
