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/report-and-recover/recover-from/account-compromise/email

Recovering a compromised email account   Guidance

Nov 10, 2023 - Email accounts are valuable targets for cybercriminals. Not just because they store sensitive messages, but also because they can be used to impersonate the account owner, to spread scams, and to perform password resets.

Individuals & families
Small & medium businesses
Organisations & Critical Infrastructure
/resources-business-and-government/maintaining-devices-and-systems/critical-infrastructure/protecting-industrial-control-systems

Protecting industrial control systems   Publication

Jul 1, 2018 - Industrial control systems are essential to our daily life. They control the water we drink, the electricity we rely on and the transport that moves us all. It is critical that cyberthreats to industrial control systems are understood and mitigated appropriately to ensure essential services continue to provide for everyone.

Small & medium businesses
Organisations & Critical Infrastructure
Government
/about-us/view-all-content/alerts-and-advisories/fortios-fortiproxy-authentication-bypass-nodejs-websocket-module-vulnerability

FortiOS & FortiProxy - Authentication bypass in Node.js websocket module vulnerability   Alert

Jan 15, 2025 - Fortinet has released information regarding an identified vulnerability in FortiOS version 7.0 and FortiProxy versions 7.0 and 7.2 instances. ASD’s ACSC recommends customers follow the advice contained in Fortinet’s notification.

Small & medium businesses
Organisations & Critical Infrastructure
Government
/about-us/alerts/vulnerability-affecting-blackberry-qnx-rtos

Vulnerability Affecting BlackBerry QNX RTOS   Alert

Aug 18, 2021 - BlackBerry has disclosed that its QNX Real Time Operating System is affected by a BadAlloc vulnerability - CVE-2021-22156. QNX is the world’s most prevalent real time operating system.

Organisations & Critical Infrastructure
/about-us/view-all-content/alerts-and-advisories/Pulse-Ivanti-Connect-Secure-Policy-Secure-and-Neurons-for-ZTA-gateways

Critical vulnerability in Pulse/Ivanti Connect Secure, Policy Secure and Neurons for ZTA gateways (CVE-2025-22457)   Alert

Apr 4, 2025 - Ivanti have released information regarding active exploitation of a critical vulnerability in Ivanti Connect Secure, Policy Secure and Neurons for ZTA gateways (CVE-2025-22457). ASD’s ACSC recommends customers follow the advice contained in Ivanti’s Security Advisory and assess their environments for malicious activity.

Small & medium businesses
Organisations & Critical Infrastructure
Government
/about-us/news/update-your-devices-keep-cybercriminals-out

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.

Individuals & families
Small & medium businesses
Organisations & Critical Infrastructure
Government
/about-us/alerts/high-severity-vulnerability-present-in-microsoft-outlook-for-windows

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.

Individuals & families
Small & medium businesses
Organisations & Critical Infrastructure
Government
/resources-business-and-government/governance-and-user-education/secure-by-design/shifting-balance-cybersecurity-risk

Shifting the Balance of Cybersecurity Risk   Publication

Oct 17, 2023 - The Cybersecurity and Infrastructure Security Agency (CISA), National Security Agency (NSA), Federal Bureau of Investigation (FBI), the Australian Signals Directorate’s Australian Cyber Security Centre (ASD’s ACSC) and the following international partners provide the recommendations in this guide as a roadmap for technology manufacturers to ensure security of their products.

Small & medium businesses
Organisations & Critical Infrastructure
Government
/report-and-recover/how-we-help-during-a-cybersecurity-incident/asds-role-in-cybersecurity-for-legal-practitioners

ASD’s role in cybersecurity: For legal practitioners   Guidance

Dec 11, 2024 - During a cybersecurity incident, or suspected cybersecurity incident, our goal is to work with impacted organisations, their legal representation, and any external vendors engaged to investigate an incident on behalf of the organisation.

Organisations & Critical Infrastructure
/resources-business-and-government/maintaining-devices-and-systems/system-hardening-and-administration/system-administration/patching-applications-and-operating-systems

Patching applications and operating systems   Publication

Nov 27, 2023 - Applying patches to applications and operating systems is critical to keeping systems secure. Patching forms part of the Essential Eight from the Strategies to mitigate cybersecurity incidents.

Small & medium businesses
Organisations & Critical Infrastructure
Government
/resources-business-and-government/maintaining-devices-and-systems/system-hardening-and-administration/cross-domain-solutions/introduction-cross-domain-solutions

Introduction to Cross Domain Solutions   Publication

Oct 6, 2021 - This publication introduces technical and non-technical audiences to the concept of a Cross Domain Solution (CDS), a type of security capability that is used to connect discrete systems within separate security domains in an assured manner.

Small & medium businesses
Organisations & Critical Infrastructure
Government
/resources-business-and-government/governance-and-user-education/governance/questions-board-directors-ask-about-cybersecurity

Questions for the board of directors to ask about cybersecurity   Publication

Dec 5, 2022 - Information on the importance of cybersecurity for the board of directors in protecting their organisation and shareholders.

Small & medium businesses
Organisations & Critical Infrastructure
Government
/about-us/advisories/2022-004-asdacsc-ransomware-profile-alphv-aka-blackcat

2022-004: ASD's ACSC Ransomware Profile – ALPHV (aka BlackCat)   Advisory

Apr 14, 2022 - ALPHV (aka BlackCat, Noberus) is a ransomware variant first observed in late 2021, used by cybercriminals to conduct ransomware attacks against multiple sectors and organisations worldwide, including Australia.

Small & medium businesses
Organisations & Critical Infrastructure
Government
/about-us/view-all-content/alerts-and-advisories/critical-vulnerabilities-ivanti-connect-secure-ivanti-policy-secure-and-ivanti-neurons-zta-gateways

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.

Small & medium businesses
Organisations & Critical Infrastructure
Government
/about-us/alerts/prc-state-sponsored-cyber-actor-living-off-the-land-to-evade-detection

People’s Republic of China (PRC) State-Sponsored Cyber Actor Living Off the Land to Evade Detection   Alert

May 25, 2023 - The Australian Signals Directorate’s Australian Cyber Security Centre (ASD's ACSC), in conjunction with the United States (US) National Security Agency (NSA) its international partners, has released a Cybersecurity Advisory regarding a PRC state-sponsored cyber actor conducting activity impacting US critical infrastructure (CI) sectors. Because of the potential risk to CI sectors outside the US, all organisations are encouraged to review the published Advisory and report any malicious activity to the ASD's ACSC.

Individuals & families
Small & medium businesses
Organisations & Critical Infrastructure
Government
/report-and-recover/recover-from/scams

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.

Individuals & families
Small & medium businesses
/resources-business-and-government/maintaining-devices-and-systems/system-hardening-and-administration/network-hardening/securing-edge-devices/mitigating-strategies-edge-devices-executive-guidance

Mitigation strategies for edge devices: Executive guidance   Publication

Feb 4, 2025 - This publication provides a high-level summary of ASD’s existing guidance to manage and secure edge devices effectively. It is intended for executives in large organisations and critical infrastructure providers that are responsible for the deployment, operation, security, and maintenance of enterprise networks. ASD is soon to release a comprehensive technical publication on mitigation strategies for edge devices for practitioners.

Organisations & Critical Infrastructure
Government
/resources-business-and-government/governance-and-user-education/governance/cyber-incident-management-arrangements-australian-governments

Cyber Incident Management Arrangements for Australian Governments   Publication

Sep 18, 2023 - The CIMA provides Australian governments with guidance on how they will collaborate in response to, and reduce the harm associated with, national cyber incidents.

Government
/resources-business-and-government/essential-cybersecurity/ism/cybersecurity-guidelines/guidelines-cryptography

Guidelines for cryptography   Advice

Mar 18, 2025 - This chapter of the Information security manual (ISM) provides guidance on cryptography.

Organisations & Critical Infrastructure
Government
/about-us/view-all-content/alerts-and-advisories/exploitation-unitronics-programmable-logic-controllers-plcs

Exploitation of Unitronics Programmable Logic Controllers (PLCs)   Alert

Dec 5, 2023 - The Australian Signals Directorate’s Australian Cyber Security Centre (ASD's ACSC) is concerned about global exploitation of Programmable Logic Controllers (PLC) and is aware of reports of compromise of these devices in Australia. These devices are present in a number of critical sectors such as water, energy, fuel and healthcare.

Small & medium businesses
Organisations & Critical Infrastructure
Government
/learn-basics/view-resources/cyber-security-awareness-month

Cyber Security Awareness Month 2024  

Sep 30, 2024 - October is Cyber Security Awareness Month and an annual reminder for all Australians to stay secure online.

/learn-basics/watch-out-threats/types-scams

Types of scams   Guidance

Learn about the common types of scams, how to identify them and how to recover from them.

Individuals & families
/resources-business-and-government/maintaining-devices-and-systems/critical-infrastructure/introduction-securing-smart-places

An introduction to securing smart places   Publication

Nov 21, 2022 - Smart places, also known as smart cities, are places designed to provide enhanced services to citizens using a collection of smart information technology (IT)-enabled systems and devices that capture, communicate and analyse data. To achieve this purpose, previously discrete technologies and systems are interconnected to allow for large-scale coordination, real-time decision making, and increased visibility and situational awareness of the smart place’s status.

Small & medium businesses
Organisations & Critical Infrastructure
Government
/protect-yourself/securing-your-devices/how-back-up-your-files-and-devices

How to back up your files and devices   Guidance

Nov 12, 2024 - Important data such as your photos, documents and financial records can be lost in an instant, so back it up regularly before it's too late.

Individuals & families
Small & medium businesses
/resources-business-and-government/maintaining-devices-and-systems/remote-working-and-secure-mobility/secure-mobility/travelling-with-mobile-devices

Travelling with mobile devices   Publication

Mar 26, 2024 - Learn how to keep mobile devices secure when travelling. This guidance provides advice from both an individual and organisational perspective.

Small & medium businesses
Organisations & Critical Infrastructure
Government
/resources-business-and-government/governance-and-user-education/secure-by-design/secure-design-foundations

Secure by Design foundations   Publication

Jul 30, 2024 - ASD’s ACSC's Secure by Design foundations represent a first step in a new approach to assist technology manufacturers and customers to adopt Secure by Design. While the foundations are primarily designed to foster discussion within technology manufacturers on how to best approach Secure by Design, they contain relevant information and actions for technology customers.

Small & medium businesses
Organisations & Critical Infrastructure
Government
/resources-business-and-government/essential-cybersecurity/protecting-your-business-and-employees/business-resources/first-nations-resources

First Nations Business Resources   Guidance

Jan 5, 2023 - Cybercriminals are finding new ways to target First Nations businesses all the time. There are a few simple things you can do to keep yourself and your business secure online.

Small & medium businesses
/protect-yourself/staying-secure-online/shopping-and-banking-online/online-shopping/after-youve-made-purchase

After you've made a purchase   Guidance

Once you’ve made a purchase you still need to remain vigilant. Cybercriminals can target you even after you’ve made a purchase on a legitimate website. Learn what to look out for after you’ve bought something online.

Individuals & families
/report-and-recover/recover-from/data-breaches

Report and recover from a data breach   Guidance

Jul 14, 2023 - A data breach occurs when sensitive or personal information is accessed, disclosed or exposed to unauthorised people.

Individuals & families
Small & medium businesses
/resources-business-and-government/maintaining-devices-and-systems/cloud-security-guidance/cloud-computing-security-executives

Cloud computing security for executives   Publication

Jan 18, 2024 - This publication is designed to provide executives from organisations looking to utilise cloud computing services an overview of the components that make up ‘cloud’ and help understand the security risks to be considered when using cloud computing.

Small & medium businesses
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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