Search

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.

Protect yourself online: A guide to cybersecurity for young people   Guidance

May 2, 2024 - The steps in this guide can help you navigate the online world with confidence.

Report and recover from identity theft   Guidance

Nov 14, 2024 - Know where to make a report and get help if someone has stolen your personal or business identity.

Cyber security incident response planning: Practitioner guidance   Publication

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

Iranian cyber actors’ brute force and credential access activity compromises critical infrastructure   Advisory

Oct 17, 2024 - The Federal Bureau of Investigation (FBI), the Cybersecurity and Infrastructure Security Agency (CISA), and the National Security Agency (NSA) are releasing this joint Cybersecurity Advisory to warn network defenders on Iranian cyber actors’ compromising, frequently using brute force attacks, organizations across multiple critical infrastructure sectors, including the healthcare and public health (HPH), government, information technology, engineering, and energy sectors. The actors likely aim to obtain credentials and information describing the victim’s network that can then be sold to enable access to cybercriminals.

Guidelines for procurement and outsourcing   Advice

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

Report and recover from malware   Guidance

Nov 10, 2023 - If you’ve fallen victim to a malware attack, find out what to do and who to contact.

Guidelines for cybersecurity documentation   Advice

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

Report and recover from ransomware   Guidance

Jul 14, 2023 - Learn where to get help from a ransomware attack, and steps to protect yourself against future incidents.

The Commonwealth Cyber Security Posture in 2023   Reports and statistics

Nov 16, 2023 - The Commonwealth Cyber Security Posture in 2023 informs Parliament on the implementation of cyber security measures across the Australian Government for the 2022–23 financial year. According to the Flipchart of PGPA Act Commonwealth entities and companies, as of 30 June 2023 the Australian Government comprised 100 non-corporate Commonwealth entities (NCEs), 72 corporate Commonwealth entities (CCEs) and 17 Commonwealth companies (CCs); totalling 189 Australian government entities.

Quishing   Threat

Nov 2, 2023 - Quishing is a form of phishing attack that uses QR codes instead of text-based links in phishing emails, digital platforms or on physical items. Quishing is a social engineering technique used by scammers and malicious actors to trick their victims into providing sensitive personal information or downloading malware onto their devices.

Small business cyber security guide   Publication

Jun 16, 2023 - This guide includes basic security measures to help protect your business against common cyber threats.

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.

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.

End of support   Guidance

Jul 29, 2024 - ‘End of support’ is when software is no longer support by the product developer that makes it. It will no longer receive security updates, general software updates or technical support.

Malware   Threat

Nov 10, 2023 - Malware (short for 'malicious software') is software that cybercriminals use to harm your computer system or network. Cybercriminals can use malware to gain access to your computer without you knowing, in targeted or broad-based attacks.

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.

Business email compromise   Threat

Feb 11, 2023 - Learn about email phishing and what to do if you are scammed out of money, goods or information.

Critical infrastructure  

Jul 22, 2024 - Technical advice and non-regulatory guidance for critical infrastructure.

ASD's ACSC Annual Cyber Threat Report, July 2021 to June 2022   Reports and statistics

Nov 4, 2022 - The Annual Cyber Threat Report is the Australian Signals Directorate’s Australian Cyber Security Centre's (ASD’s ACSC) flagship unclassified publication. The Report provides an overview of key cyberthreats impacting Australia, how the ACSC is responding to the threat environment, and crucial advice for Australian individuals and organisations to protect themselves online.

If things go wrong   Guidance

If you think you're a victim of a scam, there are steps you can take to protect yourself from further harm.

Strategies to mitigate cybersecurity incidents   Publication

Feb 1, 2017 - The Australian Signals Directorate (ASD) has developed prioritised mitigation strategies to help organisations mitigate cybersecurity incidents caused by various cyberthreats. This guidance addresses targeted cyber intrusions (i.e. those executed by advanced persistent threats such as foreign intelligence services), ransomware and external adversaries with destructive intent, malicious insiders, ‘business email compromise’, and industrial control systems.

COVID-19 malicious cyber activity   Alert

May 22, 2020 - Malicious cyber actors are actively targeting individuals and Australian organisations with COVID-19 related scams and phishing emails. These incidents are likely to increase in frequency and severity over the coming weeks and months. This is due, in part, to the ease in which existing scam emails and texts can be modified with a COVID-19 theme.

People’s Republic of China-Linked Actors Compromise Routers and IoT Devices for Botnet Operations   Advisory

Sep 19, 2024 - Cyber actors may have used botnet to compromise thousands of Internet-connected devices.

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.

2022-02: Australian organisations should urgently adopt an enhanced cyber security posture   Advisory

Apr 28, 2022 - Entities should follow ACSC advice and act on improving their resilience within a heightened threat environment.

Review your email account security   Guidance

Feb 19, 2025 - How to check your email account security for Gmail and Outlook.

Secure your NAS device   Guidance

Nov 29, 2024 - Protect your network-attached storage (NAS) device and the important data it holds with this guide.

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.

Glossary  

List of glossary terms used on cyber.gov.au website