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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.

Secure your email   Guidance

Jul 29, 2024 - How to protect yourself when using email and reduce spam and malicious emails.

Do you purchase technology for your organisation?   News

Dec 5, 2024 - Updated guidance and new guidance for executives now available for Choosing secure and verifiable technologies.

Gateway security guidance package: Executive guidance   Publication

Jul 29, 2022 - The purpose of this guidance is to inform decision-makers at the executive level of their responsibilities, the appropriate considerations needed to make informed risk-based decisions, and to meet policy obligations when leading the design or consumption of their organisation’s gateway services.

Secure administration   Publication

Oct 6, 2021 - Privileged access allows administrators to perform their duties, and is often seen as the ‘keys to the kingdom’. This publication provides guidance on how to implement secure administration techniques as part of the management of privileged access.

Ransomware Playbook   Guidance

Oct 10, 2024 - This interactive guide is here to assist you with taking all of the appropriate steps to prepare for, respond to and recover from a ransomware incident.

Are you protected against ‘fast flux’?   News

Apr 4, 2025 - Bulletproof Hosting Providers are using ‘fast flux’ to cycle quickly through bots and DNS records to bypass detection by network defenders and law enforcement agencies.

Planning for critical vulnerabilities: What the board of directors needs to know   Publication

Dec 14, 2023 - This publication provides information on why it is important that the board of directors is aware of and plan for critical vulnerabilities that have the potential to cause major cybersecurity incidents.

Gateway security guidance package: Gateway technology guides   Publication

Jul 29, 2022 - This guidance is one part of a package of documents that forms the Gateway security guidance package. When designing, procuring, operating, maintaining or disposing of a gateway, it is important to consider all the documents from the Gateway security guidance package at different stages of governance, design and implementation, and not to consume this guidance in isolation.

Using remote desktop clients   Publication

Oct 6, 2021 - Remote access solutions are increasingly being used to access organisations’ systems and data. One common method of enabling remote access is to use a remote desktop client. This publication provides guidance on security risks associated with the use of remote desktop clients.

Exploring Memory Safety in Critical Open Source Projects   Publication

Jun 27, 2024 - This publication follows the December 2023 release of The Case for Memory Safe Roadmaps, which recommended software manufacturers create memory safe roadmaps, including plans to address memory safety in external dependencies, which commonly include open source software (OSS). Today’s publication provides a starting point for these roadmaps by investigating the scale of memory safety risk in selected OSS.

Gateway hardening   Guidance

Jul 29, 2022 - This page lists publications on the hardening of gateway services.

Guidelines for system hardening   Advice

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

Exercise in a Box is here   News

Nov 17, 2022 - This service provides an all in one platform that your organisation can use to assess and improve its cyber security practices in your own time, in a safe environment, and as many times as you want.

Connecting to public Wi-Fi and hotspots   Guidance

Apr 11, 2023 - Public Wi-Fi hotspots are found everywhere in places like your local shops, cafes, hotels and even at some parks. They can be a convenient way to access the internet when you are out, have poor reception or are travelling overseas. Learn more about connecting to public Wi-Fi and hotspots securely.

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.

Cloud assessment and authorisation FAQ   Publication

Jan 18, 2024 - This publication provides answers to frequently asked questions on the Australian Signals Directorate (ASD)’s assessment and authorisation framework for cloud service providers (CSPs) and their cloud services.

Potential SolarWinds Orion compromise   Alert

Jan 25, 2021 - FireEye identifies global campaign leveraging malicious updates to SolarWinds software.

Implementing multi-factor authentication   Publication

Nov 27, 2023 - This publication has been developed to provide guidance on what multi-factor authentication is, different multi-factor authentication methods that exist and why some multi-factor authentication methods are more secure, and therefore more effective, than others.

Securing PowerShell in the enterprise   Publication

Oct 6, 2021 - This publication describes a maturity framework for PowerShell, balancing the security and business requirements of organisations. This framework enables organisations to take incremental steps towards securing PowerShell across their environment.

Protecting against business email compromise   Publication

Oct 6, 2021 - Business email compromise is when malicious actors use email to abuse trust in business processes to scam organisations out of money or goods. Malicious actors can impersonate business representatives using similar names, domains or fraudulent logos as a legitimate organisation or by using compromised email accounts and pretending to be a trusted co-worker.

Exploitation of vulnerabilities affecting Cisco firewall platforms   Alert

Apr 25, 2024 - This alert has been written for the IT teams of organisations and government. Entities are strongly encouraged to take immediate action to ensure affected devices are patched and investigate for potential compromise.

Secure your website   Guidance

Jul 29, 2024 - Small business account for over 95% of all businesses in Australia and 72% of them have a website. However, in a world in which websites are increasingly being targeted by cyber criminals, only 36% check for updates every week. For those small businesses with a website, or that are considering one, these three quick wins will help you protect your money, data and reputation.

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.

Cybersecurity incident response planning: Practitioner guidance   Publication

Dec 12, 2024 - ASD defines a cybersecurity incident as an unwanted or unexpected cybersecurity event, or a series of such events, that has either compromised business operations or has a significant probability of compromising business operations.

Recognise and report scams  

Feb 1, 2023 - Scams are a common way that cybercriminals compromise accounts. Being alert to scam messages is a great way to protect yourself online.

Critical security vulnerabilities affecting Mitel MiCollab version 9.8 SP1 FP2 (9.8.1.201) and earlier   Alert

Dec 9, 2024 - ASD’s ACSC is aware of multiple critical vulnerabilities impacting Mitel MiCollab collaboration applications.

Guidelines for system monitoring   Advice

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

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.

The Case for Memory Safe Roadmaps   Publication

Dec 7, 2023 - This guidance provides manufacturers with steps to create memory safe roadmaps and implement changes to eliminate memory safety vulnerabilities from their products.