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Joint Advisory on Technical Approaches to Uncovering and Remediating Malicious Activity Advisory
Sep 2, 2020 - The purpose of this report is to enhance incident response among partners and network administrators along with serving as a playbook for incident investigation.
Modern defensible architecture for senior decision-makers Publication
Oct 23, 2025 - ASD’s ACSC and the following international partners present this guidance to assist senior decision-makers to understand the contemporary threat landscape and how modern defensible architecture can support organisations to defend against current threats and prepare for future threats.
Potential Accellion File Transfer Appliance compromise Alert
Feb 25, 2021 - The ACSC has identified Australian organisations that may have been impacted by the Accellion File Transfer Appliance vulnerability and have provided mitigation recommendations.
Staying secure online during back-to-school shopping News
Jan 19, 2021 - Parents are being urged to be vigilant while shopping online for school essentials this month, with back-to-school shopping opening up opportunities for cybercriminals to strike.
Online shoppers the target of Christmas cyber grinches News
Nov 3, 2021 - In the lead-up to Black Friday and festive season sales, Australians must be alert to the cybercriminals seeking to steal your Christmas joy and your money.
Principles of operational technology cyber security Publication
Oct 2, 2024 - Critical infrastructure organisations provide vital services, including supplying clean water, energy, and transportation, to the public. These organisations rely on operational technology (OT) to control and manage the physical equipment and processes that provide these critical services. As such, the continuity of vital services relies on critical infrastructure organisations ensuring the cybersecurity and safety of their OT.
Malicious cyber actors using spyware to target individuals’ personal data News
Apr 9, 2025 - New joint advisory on BADBAZAAR and MOONSHINE spyware.
Recovering a compromised online account Guidance
Nov 10, 2023 - Online accounts are important for our day-to-day activities and often store sensitive information about us. This can make them useful for cybercriminals looking to gain access to our resources or identities.
Enhanced visibility and hardening guidance for communications infrastructure Advisory
Dec 4, 2024 - This guide provides network engineers and defenders of communications infrastructure with best practices to strengthen their visibility and harden their network devices against successful exploitation carried out by PRC-affiliated and other malicious cyber actors.
U.S., U.K., and Australia Issue Joint Cybersecurity Advisory News
Jul 28, 2021 - Cyber Agencies Share Top Routinely Exploited Vulnerabilities
Be Ready - auDA Domain Name Changes News
Mar 23, 2022 - The new domain name category could leave your business or organisation open to fraudulent cyber activity, such as business email compromise.
Microsoft introduces Exchange Emergency Mitigation service News
Oct 1, 2021 - Microsoft has launched a new optional protection for Microsoft Exchange servers.
Managing cryptographic keys and secrets Publication
Aug 26, 2025 - This guide has been developed to help organisational personnel in understanding the threat environment and the value of implementing secure keys and secrets management to make better informed decisions.
Recovering compromised bank accounts and online payment accounts Guidance
Nov 10, 2023 - Bank accounts are among the most important accounts to us and the most prized accounts to cybercriminals.
Easy steps to secure yourself online Guidance
Apr 7, 2021 - Reduce the risk of being targeted by cybercriminals by following these easy steps.
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.
Ongoing targeting of online code repositories Alert
Sep 19, 2025 - The Australian Signals Directorate’s Australian Cyber Security Centre (ASD's ACSC) is aware of increased targeting of online code repositories, with threat actors employing various tactics to scan for and extract secrets, access private code bases, and modify packages to infect users. The ASD’s ACSC does not have information to indicate that a specific industry or sector is being targeted, with this advisory providing general awareness of an observed increase in activity.
Shop online securely this holiday season News
Nov 8, 2023 - The holiday season is fast approaching and more Australian’s than ever are shopping online. The Australian Signals Directorate’s Australian Cyber Security Centre (ASD's ACSC) are reminding Australians to be cyber secure when shopping online.
Why it’s time to ditch your one password for passphrases News
Apr 28, 2023 - Your accounts are only as strong as the tools keeping them secure. One of the most effective ways of protecting your personal information and accounts is to use a strong passphrase.
Annual Cyber Threat Report 2024-2025 Reports and statistics
Oct 14, 2025 - ASD’s Annual Cyber Threat Report 2024–25 provides an overview of the key cyber threats impacting Australia, how ASD’s ACSC is responding and cyber security advice for Australian individuals, organisations and government to protect themselves online.