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Interactive tools and advice to boost your online safety.
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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.
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Guidelines for system hardening Advice
Mar 18, 2025 - This chapter of the Information security manual (ISM) provides guidance on system hardening.
Protect yourself and others from MyGov-related scams Advisory
Jul 16, 2020 - The Australian Taxation Office (ATO) is receiving increased reports of myGov-related SMS and email scams. As always, our advice is DON’T click any links and DON’T provide the information requested.
Russian FSB cyber actor Star Blizzard continues worldwide spear-phishing campaigns Advisory
Dec 8, 2023 - The Russia-based actor is targeting organisations and individuals in the UK and other geographical areas of interest.
COVID-19 scam messages Advisory
Mar 16, 2020 - The Australian Signals Directorate’s Australian Cyber Security Centre (ASD's ACSC) is aware of a COVID-19 themed scam being distributed via text message.
Security tips for remote working Guidance
Jul 29, 2024 - As an employee, you may be more at risk when working away from the office. Learn how to stay secure while working from home or remotely.
Data breaches Threat
Aug 30, 2023 - Sometimes personal information is released to unauthorised people by accident or as the result of a security breach. For example, an email with personal information can be sent to the wrong person, or a computer system can be hacked and personal information stolen. These are known as data breaches or data spills.
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.
How to protect yourself from malware Guidance
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.
Guidelines for system management Advice
Mar 18, 2025 - This chapter of the Information security manual (ISM) provides guidance on system management.
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.
Optus Data Breach Alert
Sep 30, 2022 - To help protect against fraud, Optus has notified customers to look to reputable sources such as Moneysmart and the Office of the Australian Information Commissioner.
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.
Translated cyber security guides News
Nov 3, 2023 - We have released 5 of our popular cyber security guides in more than 20 languages.
Sextortion email campaign impacting Australians Alert
Apr 16, 2020 - A large number of Australians are being impacted by an email ‘sextortion’ campaign in which the cyber scammers responsible have threatened to release personal and sensitive information to the recipients’ contacts unless the scammer is paid in cash or bitcoin.
Phishing Threat
Mar 19, 2023 - Learn about phishing attacks and know what to do if you've been targeted.
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.
Head of ACSC talks cyber security with Natarsha Belling in podcast special News
Nov 29, 2021 - Ms Abigail Bradshaw, head of the Australian Cyber Security Centre (ACSC), recently sat down with journalist Natarsha Belling to discuss the common cyber threats affecting Australians today.
Practical cybersecurity tips for business leaders Publication
Jan 17, 2024 - Business leaders can be appealing targets for malicious actors due to the sensitive information they can access, the important people they interact with and the influence they hold. This publication includes a checklist of practical tips business leaders can implement to improve their cybersecurity. The checklist is followed by a brief explanation of each tip and why it is recommended.
Types of scams Guidance
Learn about the common types of scams, how to identify them and how to recover from them.
Mergers, acquisitions and Machinery of Government changes Publication
Jun 10, 2022 - This publication provides guidance on strategies that organisations can apply during mergers, acquisitions and Machinery of Government changes.
Health Sector Snapshot News
Feb 10, 2021 - This Sector Snapshot is designed to enhance awareness of key cyber security threats in the health sector and advise executives and cyber security professionals within the health sector on what they can do to protect their organisation from cyber threats. This report provides a high-level overview of the cyber security environment from 1 January to 31 December 2020.
"Bulletproof" hosting providers Publication
Jan 22, 2025 - Bulletproof hosting (BPH) providers lease cybercriminals a virtual and/or physical infrastructure from which to operate. BPH providers are a specific class of internet infrastructure service that enables malicious actors (including cybercriminals) to host illicit content and run operations on the internet.
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 ASD's ACSC On-Call 24/7 News
Nov 25, 2021 - All Australians now have greater access to cyber security help and advice through the Australian Signals Directorate’s Australian Cyber Security Centre's (ASD’s ACSC) enhanced national Cyber Security Hotline - 1300 CYBER1.
IoT Secure by Design guidance for manufacturers Publication
Sep 21, 2023 - This guidance has been produced for manufacturers in order to help them implement thirteen Secure by Design principles.
The silent heist: cybercriminals use information stealer malware to compromise corporate networks Advisory
Sep 2, 2024 - Information stealer malware steals user login credentials and system information that cyber threat actors exploit, predominantly for monetary gain. Information stealers have been observed in attacks against multiple organisations and sectors worldwide, including Australia. This advisory provides readers with cyber security guidance on information stealers, including threat activity and mitigation advice for individuals and organisations.
ASD's ACSC social media community
Connect with us on Facebook, Twitter and YouTube, and find out how to subscribe to our RSS feeds.
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.
Protecting Against Cyber Threats to Managed Service Providers and their Customers Advisory
May 12, 2022 - This advisory describes cybersecurity best practices for information and communications technology (ICT), focusing on guidance that enables transparent discussions between MSPs and their customers on securing sensitive data.
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.
