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Conti ransomware incidents in Australia   Alert

Dec 10, 2021 - Multiple Australian organisations have been impacted by Conti ransomware in November and December 2021.

Ivanti Sentry Authentication Bypass Vulnerability   Alert

Aug 22, 2023 - An authentication bypass vulnerability (CVE-2023-38035) has been identified that allows unauthorised access to sensitive APIs which can be used to set configuration parameters on the administrator portal (MICS).

Modern defensible architecture for senior decision-makers   Publication

Oct 23, 2025 - ASD’s ACSC and the following international partners present this guidance to assist senior decision-makers to understand the contemporary threat landscape and how modern defensible architecture can support organisations to defend against current threats and prepare for future threats.

Critical vulnerability present in certain versions of Apple iOS and iPadOS   Alert

Oct 13, 2021 - A vulnerability has been identified in certain Apple products which could allow an actor to install malware or perform other actions on a vulnerable device.

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.

Guidelines for personnel security   Advice

Dec 4, 2025 - This chapter of the Information security manual (ISM) provides guidance on personnel security.

Critical vulnerability in React Server Components (CVE-2025-55182)   Alert

Dec 4, 2025 - ASD's ACSC is aware of a critical vulnerability in React Server Components.

Critical vulnerability present in SAP Internet Communication Manager   Alert

Feb 11, 2022 - A vulnerability has been identified in SAP Internet Communication Manager (ICM), a component of many SAP products, which may allow full system takeover. Affected organisations should apply the available security update.

Widespread outages relating to CrowdStrike software update   Alert

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

Cisco IOS XE Software Web UI Zero Day Vulnerability   Alert

Oct 25, 2023 - A previously unknown vulnerability (CVE-2023-20198) in the web UI feature of Cisco IOS XE Software could allow a malicious actor to take control of vulnerable devices. All Australian organisations should follow the recommendations published by Cisco.

Easy steps to secure yourself online   Guidance

Apr 7, 2021 - Reduce the risk of being targeted by cybercriminals by following these easy steps.

Kaseya VSA Supply-Chain Ransomware Attack   Alert

Jul 12, 2021 - Patch now available for Kaseya VSA platform.

APT exploitation of Fortinet Vulnerabilities   Alert

Apr 3, 2021 - Advanced Persistent Threat (APT) actors targeting historic Fortinet vulnerabilities.

Remote code execution vulnerability present in Open Management Infrastructure, affects certain Microsoft Azure services   Alert

Sep 16, 2021 - A remote code execution vulnerability exists in Open Management Infrastructure, a management agent used in certain Linux-based Microsoft Azure services. Exploitation of this vulnerability could allow a malicious actor to take control of the vulnerable host. Affected organisations should apply the available security update.

Gateway security guidance package: Gateway operations and management   Publication

Jul 29, 2025 - This guidance is one part of a package of documents that forms the Australian Signals Directorate (ASD)’s Gateway security guidance package written for audiences responsible for the operation and management of gateways.

Critical vulnerabilities present in certain versions of Apple iOS, macOS and Safari   Alert

Sep 14, 2021 - Vulnerabilities have been identified in certain versions of Apple iOS, macOS and Safari which could allow an actor to install malware or perform other actions on a vulnerable device or computer.

Restricting administrative privileges   Publication

Nov 27, 2023 - Learn how to restrict the use of administrative privileges. Restricting administrative privileges forms part of the Essential Eight from the Strategies to mitigate cybersecurity incidents.

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.

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.

Zoho ManageEngine ServiceDesk Plus & Desktop Central remote code execution vulnerabilities   Alert

Dec 8, 2021 - Vulnerabilities have been identified in certain versions of Zoho ManageEngine ServiceDesk Plus and Desktop Central product suites. Australian organisations using vulnerable Zoho ManageEngine products should apply the available patch.