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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.
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Phishing Threat
Mar 19, 2023 - Learn about phishing attacks and know what to do if you've been targeted.
Guidelines for communications infrastructure Advice
Sep 4, 2025 - This chapter of the Information security manual (ISM) provides guidance on communications infrastructure.
IRAP resources Program
Nov 17, 2025 - IRAP resources
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.
Cisco IOS XE Software Web UI Zero Day Vulnerability Alert
Oct 25, 2023 - A previously unknown vulnerability (CVE-2023-20198) in the web UI feature of Cisco IOS XE Software could allow a malicious actor to take control of vulnerable devices. All Australian organisations should follow the recommendations published by Cisco.
Guidelines for enterprise mobility Advice
Dec 4, 2025 - This chapter of the Information security manual (ISM) provides guidance on enterprise mobility.
New cyber security advice for families News
May 2, 2024 - The Australian Signals Directorate’s Australian Cyber Security Centre (ASD's ACSC) has released new guidance to help you protect your family online.
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.
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.
Sextortion campaign - What to do if you receive the email Advisory
Apr 16, 2020 - In most cases, there is no reason to be concerned. These emails are typically generated in their thousands by online scammers using limited personal details, with the aim of intimidating recipients into paying the ransom.
Australians urged to act on cyber alert News
Dec 15, 2021 - The Australian Signals Directorate’s Australian Cyber Security Centre (ASD’s ACSC) issued an alert on a vulnerability in the Apache Log4j software library that exposed systems to potential cyberattack.
Cyber Security Awareness Month 2024 News
Oct 1, 2024 - October is Cyber Security Awareness Month, a time for all Australians to talk about cyber security and take action to protect their devices and accounts.
"Bulletproof" hosting providers are not so bulletproof News
Jan 22, 2025 - Many cybercriminals rely on Bulletproof Hosting (BPH) providers to carry out their unlawful activities. Read our new publication to find out more about the role that BPH providers play in the cybercrime ecosystem.
Multiple Vulnerabilities in VMware vRealize Hyperic monitoring and performance management product Alert
Nov 8, 2022 - The Australian Signals Directorate’s Australian Cyber Security Centre (ASD’s ACSC) has identified a number of critical vulnerabilities affecting VMware’s vRealize Hyperic monitoring and performance management product.
Traffic Light Protocol (TLP) Publication
The Traffic Light Protocol is a set of Australian Signals Directorate’s Australian Cyber Security Centre (ASD’s ACSC) designations used to ensure that information is shared with the correct audience.
Secure your Microsoft Windows device Guidance
Nov 29, 2024 - Your Microsoft Windows device often holds your most important data. Use these simple steps to protect your device from cyberattacks.
Critical remote code execution vulnerability found in the Log4j library Alert
Dec 21, 2021 - A vulnerability (CVE-2021-44228) exists in certain versions of the Log4j library. A malicious cyber actor could exploit this vulnerability to execute arbitrary code. Australian organisations should apply latest patches immediately where Log4j is known to be used.
Multiple key vulnerabilities identified in Microsoft products Alert
Oct 13, 2021 - Multiple key vulnerabilities were identified in Microsoft’s 12 October 2021 patch release. While all vulnerabilities addressed in this release are important to mitigate the Australian Signals Directorate’s Australian Cyber Security Centre (ASD’s ACSC) wishes to highlight several vulnerabilities for priority consideration.
Vulnerability in Microsoft Office SharePoint Server products Alert
Jul 20, 2025 - ASD’s ACSC is aware of a vulnerability (CVE-2025-53770) affecting instances of Microsoft Office SharePoint Server products. Organisations are strongly encouraged to take immediate action to mitigate and detect compromise on relevant systems.
Remote Code Execution Vulnerability In Confluence Data Center and Confluence Server Alert
Jan 17, 2024 - ASD’s ACSC is aware of a vulnerability in Confluence Data Center and Confluence Server (CVE-2023-22527). Organisations are strongly encouraged to take immediate action to ensure affected instances are patched.
