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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 451 - 480 of 661 results.
Report and recover from scams Guidance
Apr 11, 2023 - If someone has stolen your money or personal information, find out what to do and who to contact. We also provide advice on how to avoid scams in future.
Secure your social media Guidance
Jul 29, 2024 - Keep your social media secure by using these tips. Learn how to protect your accounts, privacy and information.
Important Vulnerabilities in Microsoft’s August 2023 Security Update Alert
Aug 10, 2023 - The Australian Signals Directorate’s Australian Cyber Security Centre (ASD's ACSC) is concerned about vulnerabilities disclosed in Microsoft’s August 2023 Security Update. Government, businesses and individuals should patch their Microsoft products and apply any recommended mitigations as soon as possible.
Avaddon Ransomware Alert
May 8, 2021 - Increase in Avaddon ransomware attacks in Australia.
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.
Important Vulnerabilities in Microsoft’s May 2023 Security Update Alert
May 11, 2023 - The Australian Signals Directorate’s Australian Cyber Security Centre (ASD’s ACSC) is concerned about vulnerabilities disclosed in Microsoft’s May 2023 Security Update. Government, businesses and individuals should patch their Microsoft products and apply any recommended mitigations.
Ransomware Threat
Read through the following case studies and learn from other Australians about how ransomware has affected them.
Identity theft Threat
Nov 14, 2024 - Learn about how identity theft can affect you and how to keep your personal information secure.
Important Vulnerabilities in Microsoft’s July 2023 Security Update Alert
Jul 13, 2023 - The Australian Signals Directorate’s Australian Cyber Security Centre (ASD's ACSC) is concerned about vulnerabilities disclosed in Microsoft’s July 2023 Security Update. Government, businesses and individuals should patch their Microsoft products and apply any recommended mitigations as soon as possible.
Important Vulnerabilities in Microsoft’s October 2023 Security Update Alert
Oct 13, 2023 - The Australian Signals Directorate’s Australian Cyber Security Centre (ASD's ACSC) is concerned about vulnerabilities disclosed in Microsoft’s October 2023 Security Update. Government, businesses and individuals should patch their Microsoft products and apply any recommended mitigations as soon as possible.
Easy steps to secure yourself online Guidance
Apr 7, 2021 - Reduce the risk of being targeted by cybercriminals by following these easy steps.
Essential Eight Assessment Guidance Package News
Nov 23, 2022 - The Australian Signals Directorate has published updated guidance to help ensure consistent Essential Eight assessment across government and industry.
"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.
Potential exploitation of Click Studio’s PasswordState software Alert
Apr 27, 2021 - On 24 April 2021, Australian software company Click Studios announced a compromise of the software update process for their enterprise password management software PasswordState, used by organisations in Australia and globally.
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.
Limited Use Guidance
Dec 3, 2024 - The limited use obligation for the Australian Signals Directorate (ASD) has been legislated to add additional protections to the information organisations voluntarily provide to ASD, and to the information acquired or prepared by ASD with the consent of an organisation.
Password managers Guidance
May 12, 2025 - Learn how to create and store passwords in a secure location for your important accounts.
Remote code execution vulnerability present in certain versions of Atlassian Confluence Alert
Sep 1, 2021 - A vulnerability exists in certain self-hosted versions of Atlassian Confluence which could allow a malicious cyber actor to execute arbitrary code. Affected organisations should apply the available patch to mitigate this vulnerability.
Spotting scams Guidance
Learn how to identify phishing messages to stay safe and protect your personal information.
Report and recover from hacking Guidance
Serious vulnerabilities in Atlassian products including Confluence, Jira and Bitbucket Alert
Dec 7, 2023 - The Australian Signals Directorate’s Australian Cyber Security Centre (ACSC) is concerned about serious vulnerabilities in certain Atlassian products (CVE-2023-22522, CVE-2023-22523 and CVE-2022-1471) which are fixed by recent patches. Operators are urged to review Atlassian’s advice and implement recommended mitigations before exploitation begins.
Guidelines for personnel security Advice
Mar 18, 2025 - This chapter of the Information security manual (ISM) provides guidance on personnel security.
Cybersecurity for charities and not-for-profits Guidance
Mar 12, 2024 - How to avoid common cyberthreats and protect your mission .
Online shopping Guidance
Nov 7, 2023 - Be secure when shopping online.
Guidelines for gateways Advice
Mar 18, 2025 - This chapter of the Information security manual (ISM) provides guidance on gateways.
Web conferencing security Publication
Oct 6, 2021 - Web conferencing tools are essential for meeting with colleagues and clients online. This guide provides tips on how to choose a secure web conference provider, and what risks to be aware of.
Security configuration guide: Samsung Galaxy S10, S20 and Note 20 devices Publication
Oct 6, 2021 - ASD has developed this guide to assist Australian’s to understand risks when deploying Samsung Galaxy and Samsung Note devices and the security requirements that need to be met to allow them to handle classified data.
Privacy Awareness Week 2023 News
Apr 28, 2023 - The Australian Cyber Security Centre (ACSC) is supporting with the Office of the Australian Information Commissioner (OAIC) to support Privacy Awareness Week.
Cybercrime - getting help Guidance
Apr 11, 2023 - If something has knocked you offline, check out the following information to help you get back up and running!
Guidelines for system management Advice
Mar 18, 2025 - This chapter of the Information security manual (ISM) provides guidance on system management.
