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Nov 3, 2022 - Find relevant cyber security programs

Important Vulnerabilities in Microsoft’s October 2023 Security Update   Alert

Oct 13, 2023 - The Australian Signals Directorate’s Australian Cyber Security Centre (ASD's ACSC) is concerned about vulnerabilities disclosed in Microsoft’s October 2023 Security Update. Government, businesses and individuals should patch their Microsoft products and apply any recommended mitigations as soon as possible.

Important Vulnerabilities in Microsoft’s August 2023 Security Update   Alert

Aug 10, 2023 - The Australian Signals Directorate’s Australian Cyber Security Centre (ASD's ACSC) is concerned about vulnerabilities disclosed in Microsoft’s August 2023 Security Update. Government, businesses and individuals should patch their Microsoft products and apply any recommended mitigations as soon as possible.

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.

Important Vulnerabilities in Microsoft’s June 2023 Security Update   Alert

Jun 15, 2023 - The Australian Signals Directorate’s Australian Cyber Security Centre (ASD's ACSC) is concerned about vulnerabilities disclosed in Microsoft’s June 2023 Security Update. Government, businesses and individuals should patch their Microsoft products and apply any recommended mitigations as soon as possible.

Important Vulnerabilities in Microsoft’s May 2023 Security Update   Alert

May 11, 2023 - The Australian Signals Directorate’s Australian Cyber Security Centre (ASD’s ACSC) is concerned about vulnerabilities disclosed in Microsoft’s May 2023 Security Update. Government, businesses and individuals should patch their Microsoft products and apply any recommended mitigations.

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.

End of support for Microsoft Windows and Microsoft Windows Server   Publication

Mar 20, 2024 - Support for Microsoft Windows and Microsoft Windows Server users following the expiration of the specified servicing timeline.

Microsoft Releases Security Updates for Microsoft Edge Browser   Alert

Jun 30, 2021 - On June 24 2021, Microsoft released updates for their Edge Browser addressing two vulnerabilities that an attacker could exploit to inject and execute malicious code.

Vulnerability disclosure programs explained   Publication

Dec 12, 2024 - A vulnerability disclosure program (VDP) is a collection of processes and procedures designed to identify, verify, resolve and report on vulnerabilities disclosed by people who may be internal or external to organisations. The importance of developing, implementing and maintaining a well thought-out VDP cannot be underestimated. It is an integral part of professional organisations’ business operations.

Restricting Microsoft Office macros   Publication

Nov 27, 2023 - This publication has been developed to discuss approaches that can be applied by organisations to secure systems against malicious Microsoft Office macros while balancing both their business and security requirements.

Exploitation of Microsoft Office vulnerability: Follina   Alert

Jun 15, 2022 - The Australian Signals Directorate’s Australian Cyber Security Centre (ASD’s ACSC) is aware of active exploitation of the Follina zero-day vulnerability in the Microsoft Support Diagnostic Tool (CVE-2022-30190). Affected Australian organisations should take appropriate action.

Secure your Microsoft Windows device   Guidance

Nov 29, 2024 - Your Microsoft Windows device often holds your most important data. Use these simple steps to protect your device from cyberattacks.

Microsoft Office Outlook Remote Code Execution Vulnerability   Alert

Feb 18, 2024 - ASD’s ACSC is aware of a vulnerability in Microsoft Office Outlook (CVE-2024-21413).
Users of Microsoft Office Outlook are strongly advised to follow the mitigation advice provided by Microsoft if they are vulnerable.

Hardening Microsoft 365, Office 2021, Office 2019 and Office 2016   Publication

Jul 24, 2023 - Workstations are often targeted by malicious actors using malicious websites, emails or removable media in an attempt to extract sensitive information. Hardening applications on workstations is an important part of reducing this risk.

Advisory 2021-002: Active exploitation of vulnerable Microsoft Exchange servers   Advisory

Mar 26, 2021 - On 2 March 2021 Microsoft released information regarding multiple exploits being used to compromise instances of Microsoft Exchange Server. Malicious actors are exploiting these vulnerabilities to compromise Microsoft Exchange servers exposed to the internet, enabling the malicious actor to access email accounts and to enable further compromise of the Exchange server and associated networks.

Critical vulnerability present in certain versions of Microsoft Excel   Alert

Nov 11, 2021 - Microsoft has identified active exploitation of a vulnerability in Microsoft Excel. Affected Australian organisations should apply the available security update as soon as possible.

Hardening Microsoft Windows 10 and Windows 11 workstations   Publication

Jul 16, 2024 - This publication provides recommendations on hardening workstations using Enterprise and Education editions of Microsoft Windows 10 and Windows 11. While this publication refers to workstations, most recommendations are equally applicable to servers (with the exception of Domain Controllers) using Microsoft Windows Server. Security features discussed in this publication, along with the names and locations of Group Policy settings, are taken from Microsoft Windows 10 version 22H2 and Windows 11 version 23H2.

Active exploitation of vulnerability in Microsoft Internet Information Services   Alert

May 22, 2020 - The Australian Signals Directorate’s Australian Cyber Security Centre (ASD’s ACSC) is aware that sophisticated actors are actively exploiting a deserialisation vulnerability existing in all versions of Microsoft’s Internet Information Services (IIS) using the .NET framework (.NET). The vulnerability exploits the service’s VIEWSTATE parameter to allow for remote code execution by unauthorised users.

Remote code execution vulnerability present in the MSHTML component of Microsoft Windows   Alert

Sep 14, 2021 - A vulnerability exists in a component of Microsoft Windows. A malicious cyber actor could exploit this vulnerability to execute arbitrary code, potentially enabling the actor to take control of the vulnerable host. At this current time there is no patch available, affected Australian customers should apply the Microsoft recommended workarounds.

Remote code execution vulnerability present in the Windows Scripting Engine of Microsoft Windows   Alert

Sep 16, 2021 - A vulnerability exists in a component of Microsoft Windows. A malicious cyber actor could exploit this vulnerability to execute arbitrary code, potentially enabling the actor to take control of the vulnerable host. Affected Australian customers should apply the security update provided by Microsoft.

Microsoft introduces Exchange Emergency Mitigation service   News

Oct 1, 2021 - Microsoft has launched a new optional protection for Microsoft Exchange servers.

2020-006 Detecting and mitigating exploitation of vulnerability in Microsoft Internet Information Services   Advisory

May 22, 2020 - This advisory provides indicators of the activity the Australian Signals Directorate’s Australian Cyber Security Centre (ASD’s ACSC) has observed and details proactive advice on detecting and mitigating potential exploitation of this vulnerability in Microsoft Internet Information Services.

High Severity Vulnerability present in Microsoft Outlook for Windows   Alert

Mar 29, 2023 - The Australian Signals Directorate’s Australian Cyber Security Centre (ASD’s ACSC) is aware of a Microsoft Outlook for Windows vulnerability. All Australian organisations using all versions of Microsoft Outlook for Windows should apply the available patch immediately.

Microsoft Exchange ProxyShell Targeting in Australia   Alert

Aug 19, 2021 - The Australian Signals Directorate’s Australian Cyber Security Centre (ASD’s ACSC) has observed targeting of the Microsoft Exchange ProxyShell vulnerability by Malicious actors.

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.

Iranian Government-Sponsored APT Cyber Actors Exploiting Microsoft Exchange and Fortinet Vulnerabilities in Furtherance of Malicious Activities   Advisory

Nov 22, 2021 - Iranian government-sponsored APT actors are actively targeting a broad range of victims across multiple U.S. critical infrastructure sectors, including the Transportation Sector and the Healthcare and Public Health Sector, as well as Australian organisations.

Vulnerability Alert – 2 new Vulnerabilities associated with Microsoft Exchange.   Alert

Oct 10, 2022 - The Australian Signals Directorate’s Australian Cyber Security Centre (ASD’s ACSC) is aware of 2 zero day vulnerabilities associated with Microsoft Exchange Servers 2013, 2016 and 2019 (Exchange).

2020-002: Critical vulnerabilities for Microsoft Windows   Alert

Jan 15, 2020 - On 15 January 2020 (AEDT), Microsoft released security patches for three critical and one important vulnerabilities in the Microsoft Remote Desktop Client, Remote Desktop Gateway and the Windows operating system. The ACSC recommends that users of these products apply patches urgently to prevent malicious actors from using these vulnerabilities to compromise your network.

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.