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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.
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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.
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.
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.
Understanding Ransomware Threat Actors: LockBit Advisory
May 8, 2024 - The Australian Signals Directorate’s Australian Cyber Security Centre (ASD's ACSC) alongside international partners have released a joint advisory on the ransomware variant LockBit. It functions as an affiliate-based Ransomware-as-a-Service (RaaS) model where affiliates are recruited to conduct ransomware attacks using LockBit ransomware tools and infrastructure.
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.
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.
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.
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.
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.
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.
Small business cybersecurity guide Publication
Jun 16, 2023 - This guide includes basic security measures to help protect your business against common cyberthreats.
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.
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.
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.
Critical Infrastructure
Jul 22, 2024 - Technical advice and non-regulatory guidance for critical infrastructure.
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.
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.
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.
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.
Secure your NAS device Guidance
Nov 29, 2024 - Protect your network-attached storage (NAS) device and the important data it holds with this guide.
Russian Military Cyber Actors Target U.S. and Global Critical Infrastructure Advisory
Sep 6, 2024 - The Federal Bureau of Investigation (FBI), Cybersecurity and Infrastructure Security Agency (CISA), and National Security Agency (NSA) assess that cyber actors affiliated with the Russian General Staff Main Intelligence Directorate (GRU) 161st Specialist Training Center (Unit 29155) are responsible for computer network operations against global targets for the purposes of espionage, sabotage, and reputational harm since at least 2020.
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.
Security tips for travelling Guidance
Jul 29, 2024 - Learn how to stay secure while travelling with personal devices.
Cancel COVID-19 cybercrime
Oct 18, 2022 - Cybercriminals are adapting their methods to take advantage of the COVID-19 pandemic. We continue to receive reports from individuals, businesses and government departments about a range of different COVID-19-themed scams, online fraud and phishing campaigns.
2021 Top Malware Strains Advisory
Aug 5, 2022 - This joint Cybersecurity Advisory (CSA) was coauthored by the Cybersecurity and Infrastructure Security Agency (CISA) and the Australian Signals Directorate’s Australian Cyber Security Centre (ASD’s ACSC).
Protect yourself
Jul 30, 2024 - Advice and information about how to protect yourself online.
Hunting Russian Intelligence “Snake” Malware Advisory
May 10, 2023 - This Cybersecurity Advisory (CSA) provides background on Snake’s attribution to the FSB and detailed technical descriptions of the implant’s host architecture and network communications.