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Interactive tools and advice to boost your online safety.
Advice and information about how to protect yourself online.
Common online security risks and advice on what you can do to protect yourself.
Respond to cyber threats and take steps to protect yourself from further harm.
Resources for business and government agencies on cyber security.
Displaying search results for Displaying 1 - 20 of 49 results.
Gateway security guidance package Guidance
Jul 29, 2025 - This page lists publications on the hardening of gateway services.
Cyber threat actors compromising networks of major global telecommunications providers News
Dec 4, 2024 - New guidance is available for network defenders of communications infrastructure to strengthen visibility and harden devices against PRC-affiliated and other malicious cyber actors.
Consider your cyber hygiene in light of global events News
Dec 22, 2025 - Around the world, geopolitical tensions remain complex as nations navigate diplomatic, economic, and military challenges. ASD’s ACSC recommends that organisations continue to review their current cyber security posture and maintain sufficient monitoring for cyber threats.
New OT connectivity principles set a higher security bar for organisations News
Jan 15, 2026 - Our latest guidance outlines 8 principles to secure operational technology connectivity, helping organisations reduce exposure, harden boundaries, and strengthen resilience across industrial environments.
New guidance to strengthen Microsoft Exchange Server security News
Oct 31, 2025 - ASD’s ACSC and international partners have co-authored guidance on best practices for Microsoft Exchange Server to help organisations mitigate risks and prevent malicious activity.
Creating Strong Passphrases Guidance
Oct 6, 2021 - The longer your passphrase, the better. As adversaries can crack a short password with very little effort or time, you can increase the time and effort it takes by using a passphrase instead.
New guidance on detecting and mitigating Active Directory compromises News
Sep 26, 2024 - Does your organisation use Microsoft’s Active Directory? Read our latest guidance on Active Directory compromises now.
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.
Progress ongoing to improve the Australian Government’s cyber resilience News
Feb 12, 2026 - The 2025 Commonwealth Cyber Security Posture Report highlights ongoing progress in implementing the Australian Signals Directorate’s Essential Eight mitigation strategies.
Protect yourself from ransomware Guidance
Feb 12, 2025 - A ransomware attack could block you from accessing your device or the information on it. Take some time to consider how a ransomware attack might affect you.
Safer Internet Day 2021 News
Feb 9, 2021 - Safer Internet Day on 9 February 2021 aims to raise awareness of emerging online issues and share strategies everyone can use for staying secure online.
Preventing business email compromise Guidance
Apr 11, 2023 - There are many easy steps and actions you can take now to protect your business. Learn about the simple, cost-effective and immediately beneficial protective measures you can implement.
Be Ready - auDA Domain Name Changes News
Mar 23, 2022 - The new domain name category could leave your business or organisation open to fraudulent cyber activity, such as business email compromise.
Joint advisory released for Managed Service Providers and Customers to mitigate cybersecurity risks News
May 12, 2022 - The Australian Signals Directorate’s Australian Cyber Security Centre (ASD’s ACSC) has today joined with international cyber security agency partners, to warn Managed Service Providers (MSP) of pressing cyber risks and provide guidance on suitable mitigations for them and their customers.
Secure your NAS device Guidance
Nov 29, 2024 - Protect your network-attached storage (NAS) device and the important data it holds with this guide.
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.
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 cyber security incident that has affected the availability or trust of existing systems.
Microsoft introduces Exchange Emergency Mitigation service News
Oct 1, 2021 - Microsoft has launched a new optional protection for Microsoft Exchange servers.
Best practices for event logging and threat detection News
Aug 22, 2024 - Today we have released new event logging guidance, alongside our international partners, that defines the baseline for logging best practices to mitigate malicious cyber threats.
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.
