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Remote access to operational technology environments   Publication

Mar 28, 2023 - Many critical infrastructure providers are moving to support remote working arrangements. In doing so, modifying cybersecurity defences for operational technology environments (OTE) is not a decision that should be taken lightly.

Copy-paste compromises   Alert

Sep 16, 2020 - The Australian Government is aware of, and responding to, a sustained targeting of Australian governments and companies by a sophisticated state-based actor. The title ‘Copy-paste compromises’ is derived from the actor’s heavy use of tools copied almost identically from open source.

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.

Report and recover from scams   Guidance

Apr 11, 2023 - If someone has stolen your money or personal information, find out what to do and who to contact. We also provide advice on how to avoid scams in future.

Scattered Spider   Advisory

Jul 30, 2025 - This joint Cybersecurity Advisory is in response to recent activity by Scattered Spider threat actors against the commercial facilities sectors, subsectors, and other sectors. This advisory provides tactics, techniques, and procedures (TTPs) obtained through FBI investigations as recently as June 2025

Technical example: Application control   Publication

Dec 16, 2022 - Application control restricts the ability of an application to run or install on a device. Application control makes it harder for users to intentionally or unintentionally install unwanted or malicious software.

Planning for post-quantum cryptography   Publication

Sep 22, 2025 - Prepare your organisation for post-quantum cryptography with advice on transition timelines, milestones, and a framework to map transition stages.

Secure your Wi-Fi and router   Guidance

Oct 29, 2024 - How to make your software, devices and networks harder to access and more resilient to attack.

Scammers impersonating the ASD's ACSC   Alert

Jun 13, 2025 - Scammers are impersonating the ASD's ACSC sending out phishing emails to the public with the email content suggesting to download a malicious antivirus program.

CVE-2024-24919 - Check Point Security Gateway Information Disclosure   Alert

May 31, 2024 - The ASD’s ACSC is aware of CVE-2024-24919 that enables access of sensitive information to an unauthorised actor.

Vulnerability in Progress Kemp products   Alert

Feb 22, 2024 - ASD’s ACSC is aware of a vulnerability (CVE-2024-1212) that affects all Progress Kemp LoadMaster releases after 7.2.48.1. Organisations are strongly encouraged to take immediate action to patch relevant systems.

Widespread outages relating to CrowdStrike software update   Alert

Jul 21, 2024 - A CrowdStrike software update has led to outages impacting Windows systems.

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.

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.

Remote code execution vulnerability in Windows DNS (CVE-2020-1350)   Alert

Jul 15, 2020 - On 14 July 2020, Microsoft acknowledged a critical remote code execution vulnerability in Windows Domain Name System (DNS), which could allow an adversary to run arbitrary code.

Summary of Tradecraft Trends for 2019-20   Alert

May 20, 2020 - The Australian Signals Directorate’s Australian Cyber Security Centre (ASD’s ACSC) investigated and responded to numerous cyber security incidents during 2019 and 2020 so far.

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.

Remote code execution vulnerability present in vm2 sandbox   Alert

Oct 11, 2022 - The Australian Signals Directorate’s Australian Cyber Security Centre (ASD’s ACSC) is aware of a remote code execution vulnerability in vm2 sandbox versions prior to 3.9.11. Affected Australian organisations should apply the available patch immediately.

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.

Active exploitation of critical vulnerability in Citrix Application Delivery Controller and Citrix Gateway   Alert

Jan 13, 2020 - The Australian Signals Directorate’s Australian Cyber Security Centre (ACSC) is aware of ongoing attempts to exploit a critical vulnerability in Citrix Application Delivery Controller (ADC) (formerly known as NetScaler ADC), Citrix Gateway (formerly known as NetScaler Gateway) and Citrix SD-WAN WANOP.