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Critical remote code execution vulnerability found in the Log4j library Alert
Dec 21, 2021 - A vulnerability (CVE-2021-44228) exists in certain versions of the Log4j library. A malicious cyber actor could exploit this vulnerability to execute arbitrary code. Australian organisations should apply latest patches immediately where Log4j is known to be used.
New cyber security advice for families News
May 2, 2024 - The Australian Signals Directorate’s Australian Cyber Security Centre (ASD's ACSC) has released new guidance to help you protect your family online.
Multiple Vulnerabilities In Ivanti Endpoint Manager Mobile (Ivanti EPMM) Alert
May 14, 2025 - The Australian Signals Directorate’s (ASD) Australian Cyber Security Centre (ACSC) is aware of two vulnerabilities, one medium and one high severity, in Ivanti Endpoint Manager Mobile (EPMM). The ASD’s ACSC recommends organisations patch to the latest version of Ivanti EPMM, available through Ivanti’s download portal, and investigate whether their systems have been compromised.
"Bulletproof" hosting providers are not so bulletproof News
Jan 22, 2025 - Many cybercriminals rely on Bulletproof Hosting (BPH) providers to carry out their unlawful activities. Read our new publication to find out more about the role that BPH providers play in the cybercrime ecosystem.
Australians urged to act on cyber alert News
Dec 15, 2021 - The Australian Signals Directorate’s Australian Cyber Security Centre (ASD’s ACSC) issued an alert on a vulnerability in the Apache Log4j software library that exposed systems to potential cyberattack.
Antivirus software Guidance
Apr 11, 2023 - The consequences of viruses, spyware and other malicious software can be serious and far reaching. Follow our guidance about using antivirus software.
End of support Guidance
Jul 29, 2024 - ‘End of support’ is when software is no longer support by the product developer that makes it. It will no longer receive security updates, general software updates or technical support.
Sextortion campaign - What to do if you receive the email Advisory
Apr 16, 2020 - In most cases, there is no reason to be concerned. These emails are typically generated in their thousands by online scammers using limited personal details, with the aim of intimidating recipients into paying the ransom.
Multiple Vulnerabilities in VMware vRealize Hyperic monitoring and performance management product Alert
Nov 8, 2022 - The Australian Signals Directorate’s Australian Cyber Security Centre (ASD’s ACSC) has identified a number of critical vulnerabilities affecting VMware’s vRealize Hyperic monitoring and performance management product.
How to become an IRAP Assessor Program page
Aug 15, 2024 - IRAP Assessors are ASD-endorsed ICT professionals from across Australia who have the necessary experience and qualifications in ICT security assessment and risk management, and a detailed knowledge of ASD's Information Security Manual.
Traffic Light Protocol (TLP) Publication
The Traffic Light Protocol is a set of Australian Signals Directorate’s Australian Cyber Security Centre (ASD’s ACSC) designations used to ensure that information is shared with the correct audience.
Multiple key vulnerabilities identified in Microsoft products Alert
Oct 13, 2021 - Multiple key vulnerabilities were identified in Microsoft’s 12 October 2021 patch release. While all vulnerabilities addressed in this release are important to mitigate the Australian Signals Directorate’s Australian Cyber Security Centre (ASD’s ACSC) wishes to highlight several vulnerabilities for priority consideration.
Critical vulnerabilities in Ivanti Connect Secure, Ivanti Policy Secure and Ivanti Neurons for ZTA Gateways Alert
Jan 9, 2025 - Ivanti has identified critical vulnerabilities affecting Ivanti Connect Secure, Ivanti Policy Secure and Ivanti Neurons for ZTA Gateways. Customers should update to available patched versions immediately and monitor Ivanti’s Security Advisory for further advice.
Remote Code Execution Vulnerability In Confluence Data Center and Confluence Server Alert
Jan 17, 2024 - ASD’s ACSC is aware of a vulnerability in Confluence Data Center and Confluence Server (CVE-2023-22527). Organisations are strongly encouraged to take immediate action to ensure affected instances are patched.
Data breaches Threat
Aug 30, 2023 - Sometimes personal information is released to unauthorised people by accident or as the result of a security breach. For example, an email with personal information can be sent to the wrong person, or a computer system can be hacked and personal information stolen. These are known as data breaches or data spills.
Guidelines for system management Advice
Sep 4, 2025 - This chapter of the Information security manual (ISM) provides guidance on system management.
Sustained targeting of the health sector Alert
Oct 30, 2020 - The Australian Signals Directorate’s Australian Cyber Security Centre (ASD's ACSC) has identified a sustained campaign by sophisticated cybercrime actors impacting the Australian health sector.
Multiple high severity vulnerabilities discovered in the Exim mail server Alert
May 10, 2021 - Exim vulnerabilities could enable a malicious cyber actor to compromise vulnerable Exim servers. The Australian Signals Directorate’s Australian Cyber Security Centre (ASD’s ACSC) strongly recommends applying available patches.
New joint advisory on Russian military cyber tactics released News
Sep 6, 2024 - Russian military cyber tactics, techniques and procedures targeting global critical infrastructure exposed in new joint advisory.
Critical vulnerability identified in Apple iOS and macOS Alert
Feb 12, 2022 - A Remote Code Execution vulnerability has been identified in certain versions of Apple WebKit, affecting iOS and macOS devices. Affected users of these devices should update their devices as soon as possible.
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.
2020-003: Mailto ransomware incidents Alert
Feb 6, 2020 - The Australian Signals Directorate’s Australian Cyber Security Centre (ASD's ACSC) is aware of recent ransomware incidents involving a ransomware tool known as ‘Mailto’ or ‘Kazakavkovkiz’. Mailto belongs to the KoKo ransomware family.
Remote Code Execution Vulnerability In Cisco Unified Communications Products Alert
Jan 26, 2024 - ASD’s ACSC is aware of a vulnerability in Cisco Unified Communications Products (CVE 2024-20253). Organisations using Cisco Unified Communication products are strongly advised to follow the mitigation advice provided by Cisco if they are vulnerable.
Update your devices to keep cybercriminals out News
May 3, 2021 - Updating the software on electronic devices is one of the easiest and most important ways all Australians can defend against cybercriminals and be protected from online threats.
Boost your cyber defences with backups News
Aug 17, 2021 - Backing up your data is one of the best defences against ransomware attacks conducted by the opportunistic cyber criminals who continue to threaten Australian businesses, organisations, and families.
Critical severity vulnerability in Fortinet Fortigate SSL-VPN devices Alert
Jun 13, 2023 - The Australian Signals Directorate’s Australian Cyber Security Centre (ASD’s ACSC) is aware of a critical pre-authentication remote code execution vulnerability in Fortinet Fortigate SSL VPN devices. Australian organisations should patch their products and apply any recommended mitigations.
End of support for Microsoft Windows and Microsoft Windows server Publication
Sep 4, 2025 - Support for Microsoft Windows and Microsoft Windows Server users following the expiration of the specified servicing timeline.
Active exploitation of vulnerable Sitecore Experience Platform content management systems Alert
Nov 5, 2021 - There is active exploitation of a vulnerability occurring in certain versions of Sitecore Experience Platform systems. Affected Australian organisation should apply the available security update.
Critical vulnerability discovered in HTTP.SYS in Microsoft Windows Alert
May 13, 2021 - A remote code execution vulnerability could enable a malicious cyber actor to compromise vulnerable Microsoft Windows hosts. The Australian Signals Directorate’s Australian Cyber Security Centre (ASD’s ACSC) strongly recommends applying available patches.
Microsoft introduces Exchange Emergency Mitigation service News
Oct 1, 2021 - Microsoft has launched a new optional protection for Microsoft Exchange servers.
