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Multiple vulnerabilities affecting Cisco ASA 5500-X Series devices Alert
Sep 26, 2025 - The Australian Signals Directorate’s Australian Cyber Security Centre (ASD's ACSC) is aware of multiple vulnerabilities impacting Cisco Secure Firewall Adaptive Security Appliance (ASA) 5500-X Series models that are running Cisco ASA Software or Cisco Secure Firewall Threat Defense (FTD) Software. Cisco reports active exploitation of these vulnerabilities globally. ASD’s ACSC has also observed targeting in Australia.
Windows event logging and forwarding Publication
Oct 6, 2021 - This publication has been developed as a guide to the setup and configuration of Microsoft Windows event logging and forwarding.
Critical severity vulnerability in Fortinet FortiOS SSL-VPN Alert
Dec 13, 2022 - The Australian Signals Directorate’s Australian Cyber Security Centre (ASD’s ACSC) is aware of a heap-based buffer overflow vulnerability in FortiOS SSL-VPN. All Australian organisations should apply the available patch immediately.
SonicWall devices targeted with ransomware utilising stolen credentials Alert
Aug 3, 2021 - SonicWall devices are being targeted by a malicious cyber actor as targets for ransomware. The Australian Signals Directorate’s Australian Cyber Security Centre (ASD’s ACSC) is aware of likely related activity targeting Australian organisations.
Cybercriminals scanning Australian entities for serious cyber vulnerability News
Dec 21, 2021 - Australians must urgently patch applications and software products as malicious cyber adversaries conduct thousands of scans in search of the vulnerability related to the critical Log4j software flaw.
Who we are
Oct 25, 2022 - Australian Signals Directorate’s Australian Cyber Security Centre (ASD’s ACSC) leads the Australian Government’s efforts to improve cyber security. Our role is to help make Australia the most secure place to connect online.
Barracuda Email Security Gateway (ESG) malicious activity – additional Indicators of Compromise released Alert
Dec 25, 2023 - Update: ASD's ACSC is aware of active exploitation of a third party library, Spreadsheet::ParseExcel, leading to potential Arbitrary Code Execution in Barracuda ESG appliances (CVE-2023-7101 and CVE-2023-7102).
IRAP application form Program
May 7, 2024 - IRAP application form
Property-related business email compromise scams rising in Australia Alert
Aug 30, 2021 - Cybercriminals are targeting the property and real estate sector to conduct business email compromise scams. All parties involved in the buying, selling and leasing of property should be vigilant when communicating via email, particularly during settlement periods.
Back-up data to defend against cybercrime News
Mar 31, 2021 - On World Back-up Day, the Australian Government is urging businesses, organisations and individuals to back-up their digital information to protect themselves against compromise.
Learn the basics
Aug 30, 2023 - Interactive tools and advice to boost your cyber security when online.
IRAP assessment feedback form Service
Feb 1, 2021 - IRAP Assessment feedback form for IRAP assessments
Protecting your family Guidance
May 2, 2023 - Advice and guidance for parents and guardians to help children have secure experiences online.
ISM OSCAL v2025.12.9
Dec 9, 2025 - ISM OSCAL v2024.10.8 - based on December 2025 Information Security Manual (ISM) and OSCAL version 1.1.2.
Critical infrastructure
Jul 22, 2024 - Technical advice and non-regulatory guidance for critical infrastructure.
Small business hub
Sep 30, 2025 - How to protect your small business from common cyber threats.
Advice, guidance and publications
Nov 3, 2022 - Find the latest cyber security advice, guidance and publications
ISM OSCAL v2025.09.10
Sep 11, 2025 - ISM OSCAL v2024.09.10 - based on June 2025 Information Security Manual (ISM) and OSCAL version 1.1.2.
ISM OSCAL v2025.07.16
Jul 16, 2025 - ISM OSCAL v2024.07.16 - based on June 2025 Information Security Manual (ISM) and OSCAL version 1.1.2.
Widespread exposure of vulnerability in cPanel Alert
May 9, 2023 - The Australian Signals Directorate’s Australian Cyber Security Centre (ASD’s ACSC) is aware of a vulnerability affecting cPanel and cPanel managed websites. All Australian organisations should apply the available patches, and ensure staff are informed of the risks against their systems when clicking suspicious links.
