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/node/2344

Information security incident affecting APRA-regulated entities  

/node/2345

Information security weakness affecting APRA-regulated entities   

/about-us/view-all-content/alerts-and-advisories/barracuda-email-security-gateway-esg-malicious-activity-additional-indicators-compromise-released

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).

Small & medium businesses
Organisations & Critical Infrastructure
Government
/node/2349

Cyber incident affecting the handling of Security Sensitive Biological Agents  

/node/2343

Breaches in Financial Stability Standards for Central Counterparties and Securities Settlement Facilities  

/about-us/news/prc-state-sponsored-cyber-actor-living-off-the-land-to-evade-detection

People's Republic of China State-Sponsored Cyber Actor Living off the Land to Evade Detection joint cybersecurity advisory   News

May 25, 2023 - Today we released a joint advisory with international partners on a recently discovered cluster of activity associated with a People’s Republic of China (PRC) state-sponsored cyber actor.

Individuals & families
Small & medium businesses
Organisations & Critical Infrastructure
Government
/node/2335

Cyber incident materially affecting the price or value of the securities of an ASX-listed entity  

/business-government/secure-design/secure-by-design/managing-cryptographic-keys-secrets

Managing cryptographic keys and secrets   Publication

Aug 26, 2025 - This guide has been developed to help organisational personnel in understanding the threat environment and the value of implementing secure keys and secrets management to make better informed decisions.

Organisations & Critical Infrastructure
Government
/about-us/view-all-content/news-protect-your-cryptographic-keys-and-secrets-from-malicious-cyber-actors

Protect your cryptographic keys and secrets from malicious cyber actors   News

Aug 26, 2025 - New guidance available for organisations using cryptographic keys and secrets.

Organisations & Critical Infrastructure
Government
/about-us/view-all-content/news-and-media/new-zero-trust-guidance-seeking-industry-feedback

New zero trust guidance – seeking industry feedback   News

Feb 10, 2025 - Have your say on new Foundations for modern defensible architectures, including zero trust and secure-by-design principles.

Organisations & Critical Infrastructure
Government
/business-government/protecting-devices-systems/cloud-computing/cloud-assessment-and-authorisation

Cloud assessment and authorisation   Publication

Jan 18, 2024 - This publication is co-designed with industry to support the secure adoption of cloud services across government and industry.

Organisations & Critical Infrastructure
Government
/business-government/secure-design/secure-by-design/modern-defensible-architecture

Modern defensible architecture   Publication

Feb 10, 2025 - Modern defensible architecture is the first step in Australian Signals Directorate (ASD)’s Australian Cyber Security Centre (ACSC)’s push to ensure that secure architecture and design are being considered and applied by organisations in their cyber security and resilience planning.

Small & medium businesses
Organisations & Critical Infrastructure
Government
/about-us/advisories/threat-update-covid-19-malicious-cyber-activity-27-march-2020

Threat update: COVID-19 malicious cyber activity 27 March 2020   Advisory

Mar 27, 2020 - This update is designed to raise awareness of increasing COVID-19 themed malicious cyber activity, and provide practical cyber security advice that organisations and individuals can follow to reduce the risk of being impacted.

Individuals & families
Small & medium businesses
Organisations & Critical Infrastructure
Government
/threats/types-threats/malware/information-stealer-malware

Information stealer malware   Guidance

Jul 15, 2025 - Information stealer malware is a type of malware designed to steal sensitive data from devices. This can include user credentials, browser data and more.

Individuals & families
Small & medium businesses
Organisations & Critical Infrastructure
Government
/about-us/view-all-content/alerts-and-advisories/preventing-web-application-access-control-abuse

Preventing Web Application Access Control Abuse   Advisory

Jul 28, 2023 - The Australian Cyber Security Centre (ACSC), U.S. Cybersecurity and Infrastructure Security Agency (CISA), and U.S. National Security Agency (NSA) are releasing this joint Cybersecurity Advisory to warn vendors, designers, and developers of web applications and organizations using web applications about insecure direct object reference (IDOR) vulnerabilities.

Small & medium businesses
Organisations & Critical Infrastructure
Government
/about-us/advisories/covid-19-themed-malicious-cyber-activity

COVID-19 themed malicious cyber activity   Advisory

Mar 27, 2020 - This update is designed to raise awareness of increasing COVID-19 themed malicious cyber activity, and provide practical cyber security advice that organisations and individuals can follow to reduce the risk of being impacted.

Individuals & families
Small & medium businesses
Organisations & Critical Infrastructure
Government
/business-government/protecting-devices-systems/hardening-systems-applications/network-hardening/implementing-network-segmentation-and-segregation

Implementing network segmentation and segregation   Publication

Oct 6, 2021 - Learn about practical strategies to make it harder for malicious actors to access sensitive data. This guidance is for those responsible for an organisation’s network architecture and design.

Small & medium businesses
Organisations & Critical Infrastructure
Government
/about-us/news/health-sector-snapshot

Health Sector Snapshot   News

Feb 10, 2021 - This Sector Snapshot is designed to enhance awareness of key cyber security threats in the health sector and advise executives and cyber security professionals within the health sector on what they can do to protect their organisation from cyber threats. This report provides a high-level overview of the cyber security environment from 1 January to 31 December 2020.

Individuals & families
Small & medium businesses
Organisations & Critical Infrastructure
Government
/business-government/asds-cyber-security-frameworks/essential-eight/essential-eight-assessment-course

Essential Eight assessment course   Program page

Jul 3, 2023 - The Essential Eight Assessment Course will help you understand the intent and application of the Essential Eight, learn to use ASD designed tools, and accurately test the implementation of the Essential Eight.

Individuals & families
Small & medium businesses
Organisations & Critical Infrastructure
Government
/about-us/view-all-content/reports-and-statistics/2020-health-sector-snapshot

2020 Health Sector Snapshot   Reports and statistics

Feb 22, 2021 - This Sector Snapshot is designed to enhance awareness of key cyber security threats in the health sector and advise executives and cyber security professionals within the health sector on what they can do to protect their organisation from cyber threats. This report provides a high-level overview of the cyber security environment within the health sector over a twelve month period (1 January to 31 December 2020).

Individuals & families
Small & medium businesses
Organisations & Critical Infrastructure
Government
/business-government/asds-cyber-security-frameworks/ism/cybersecurity-guidelines/guidelines-for-software-development

Guidelines for software development   Advice

Sep 22, 2025 - This chapter of the Information security manual (ISM) provides guidance on software development.

Organisations & Critical Infrastructure
Government
/about-us/view-all-content/alerts-and-advisories/infamous-chisel

Infamous Chisel   Advisory

Aug 31, 2023 - Malware Analysis Report.
A collection of components designed to enable remote access and exfiltrate information from Android phones.

Small & medium businesses
Organisations & Critical Infrastructure
Government
/business-government/detecting-responding-to-threats/vulnerability-planning/vulnerability-disclosure-programs-explained

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.

Small & medium businesses
Organisations & Critical Infrastructure
Government
/business-government/asds-cyber-security-frameworks/ism/cybersecurity-guidelines/guidelines-for-gateways

Guidelines for gateways   Advice

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

Organisations & Critical Infrastructure
Government
/about-us/view-all-content/alerts-and-advisories/2023-top-routinely-exploited-vulnerabilities

2023 top routinely exploited vulnerabilities   Advisory

Nov 13, 2024 - This advisory provides details, collected and compiled by the authoring agencies, on the Common Vulnerabilities and Exposures (CVEs) routinely and frequently exploited by malicious cyber actors in 2023 and their associated Common Weakness Enumerations (CWEs). Malicious cyber actors exploited more zero-day vulnerabilities to compromise enterprise networks in 2023 compared to 2022, allowing them to conduct operations against high priority targets.
The authoring agencies strongly encourage vendors, designers, developers, and end-user organizations to implement the following recommendations, and those found within the Mitigations section of this advisory, to reduce the risk of compromise by malicious cyber actors.

Small & medium businesses
Organisations & Critical Infrastructure
Government
/business-government/asds-cyber-security-frameworks/ism/cybersecurity-guidelines/guidelines-for-communications-infrastructure

Guidelines for communications infrastructure   Advice

Sep 4, 2025 - This chapter of the Information security manual (ISM) provides guidance on communications infrastructure.

Organisations & Critical Infrastructure
Government
/business-government/asds-cyber-security-frameworks/ism/cybersecurity-guidelines/guidelines-for-system-hardening

Guidelines for system hardening   Advice

Sep 4, 2025 - This chapter of the Information security manual (ISM) provides guidance on system hardening.

Organisations & Critical Infrastructure
Government
/business-government/asds-cyber-security-frameworks/ism/cybersecurity-guidelines/guidelines-for-procurement-and-outsourcing

Guidelines for procurement and outsourcing   Advice

Sep 4, 2025 - This chapter of the Information security manual (ISM) provides guidance on procurement and outsourcing activities.

Organisations & Critical Infrastructure
Government
/business-government/secure-design/secure-by-design/cross-domain-solutions/fundamentals-of-cross-domain-solutions

Fundamentals of Cross Domain Solutions   Publication

Oct 6, 2021 - This publication introduces technical and non-technical audiences to cross domain security principles for securely connecting security domains.

Small & medium businesses
Organisations & Critical Infrastructure
Government
/business-government/asds-cyber-security-frameworks/ism/cybersecurity-guidelines/guidelines-for-networking

Guidelines for networking   Advice

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

Organisations & Critical Infrastructure
Government

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Acknowledgement of Country

We acknowledge the Traditional Owners and Custodians of Country throughout Australia and their continuing connections to land, sea and communities.
We pay our respects to them, their cultures and their Elders; past, present and emerging. We also recognise Australia's First Peoples' enduring contribution to Australia's national security.

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