You can search for keywords to find pages that can help you e.g. scam
Contact us
Portal login
back to main menu
Learn about who we are and what we do.
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 361 - 380 of 474 results.
Ransomware targeting Australian aged care and healthcare sectors Alert
Aug 2, 2020 - The Australian Signals Directorate’s Australian Cyber Security Centre (ASD’s ACSC) is aware of increased targeting of healthcare, including hospitals and aged care, by ransomware campaigns undertaken by cyber criminals.
Further cyber sanctions in response to Medibank Private cyberattack News
Feb 12, 2025 - Today Australia has imposed targeted financial and travel sanctions on a cyber infrastructure entity – ZServers – and five of its Russian employees for their roles in providing infrastructure to host and disseminate data stolen from Medibank Private in 2022.
Guidelines for gateways Advice
Dec 4, 2025 - This chapter of the Information security manual (ISM) provides guidance on gateways.
Critical Vulnerability affecting Fortinet’s FortiClientEMS Alert
Mar 22, 2024 - ASD’s ACSC is aware of a critical vulnerability (CVE-2023-48788) affecting Fortinet’s FortiClientEMS. Organisations are strongly encouraged to take immediate action to ensure affected instances are patched and investigate for potential compromise.
Cyber Security for Operational Technology News
Oct 2, 2024 - The Australian Signals Directorate’s Australian Cyber Security Centre (ASD's ACSC) has released new guidance to help critical infrastructure protect their systems and online supply chains.
TMUI remote code execution vulnerability - CVE-2020-5902 Alert
Jul 6, 2020 - The Australian Signals Directorate’s Australian Cyber Security Centre (ASD’s ACSC) advises users of F5’s enterprise and data centre BIG-IP products to ensure their systems are promptly patched after the recent disclosure of new remote code execution vulnerability.
An introduction to Artificial Intelligence News
Nov 24, 2023 - The Australian Signals Directorate’s Australian Cyber Security Centre (ASD’s ACSC) has released an introduction to Artificial Intelligence (AI).
New fact sheet for critical infrastructure leaders – actions to mitigate PRC state-sponsored cyber activity News
Mar 20, 2024 - The fact sheet provides guidance for critical infrastructure leadership to protect their infrastructure and critical functions from Volt Typhoon – a state-sponsored cyber actor linked to the People’s Republic of China (PRC).
New joint advisory on Russian military cyber tactics released News
Sep 6, 2024 - Russian military cyber tactics, techniques and procedures targeting global critical infrastructure exposed in new joint advisory.
PRC state-sponsored cyber group APT40’s expanding tradecraft and tactics News
Jul 9, 2024 - The Australian Signals Directorate’s Australian Cyber Security Centre (ASD’s ACSC) has released a new joint advisory with international partners on the People’s Republic of China (PRC) Ministry of State Security (MSS) tradecraft in action.
High Severity Vulnerability present in Microsoft Outlook for Windows Alert
Mar 29, 2023 - The Australian Signals Directorate’s Australian Cyber Security Centre (ASD’s ACSC) is aware of a Microsoft Outlook for Windows vulnerability. All Australian organisations using all versions of Microsoft Outlook for Windows should apply the available patch immediately.
Back-up data to defend against cybercrime News
Mar 31, 2021 - On World Back-up Day, the Australian Government is urging businesses, organisations and individuals to back-up their digital information to protect themselves against compromise.
LockBit 2.0 ransomware incidents in Australia Alert
Aug 5, 2021 - The Australian Signals Directorate’s Australian Cyber Security Centre (ASD’s ACSC) has observed an increase in reporting of LockBit 2.0 ransomware incidents in Australia.
Reports and statistics
Nov 3, 2022 - Find the latest cyber security reports and statistics
Multi-factor authentication for stronger cyber protection News
Feb 25, 2021 - Australians are being urged to strengthen proof of identity protections to help stop cybercriminals gaining unauthorised access to online information and accounts.
Critical security vulnerability affecting Apache Struts2 below 6.4.0. Alert
Dec 13, 2024 - ASD’s ACSC is aware of a critical vulnerability impacting Apache Struts2 below 6.4.0 (CVE-2024-53677).
Do you purchase technology for your organisation? News
Dec 5, 2024 - Updated guidance and new guidance for executives now available for Choosing secure and verifiable technologies.
Vulnerabilities in Citrix NetScaler ADC and NetScaler Gateway products Alert
Jan 18, 2024 - ASD’s ACSC is aware of multiple vulnerabilities (CVE-2023-6548 and CVE-2023-6549) in Citrix NetScaler products (NetScaler ADC and NetScaler Gateway). Organisations are strongly encouraged to take immediate action to ensure affected instances are patched.
Microsoft introduces Exchange Emergency Mitigation service News
Oct 1, 2021 - Microsoft has launched a new optional protection for Microsoft Exchange servers.
Managing the risks of legacy IT: Practitioner guidance Publication
Jun 12, 2024 - This publication provides guidance for practitioners on managing the risks posed by legacy IT and outlines low-cost mitigations that organisations can draw upon.