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/about-us/advisories/joint-advisory-technical-approaches-uncovering-and-remediating-malicious-activity

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.

Organisations & Critical Infrastructure
Government
/business-government/secure-design/secure-by-design/modern-defensible-architecture/modern-defensible-architecture-for-senior-decision-makers

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.

Organisations & Critical Infrastructure
Government
/about-us/alerts/potential-accellion-file-transfer-appliance-compromise

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.

Organisations & Critical Infrastructure
/about-us/news/staying-secure-online-during-back-school-shopping

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.

Individuals & families
/about-us/news/online-shoppers-target-christmas-cyber-grinches

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.

Individuals & families
/business-government/secure-design/operational-technology-environments/principles-of-operational-technology-cyber-security

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.

Small & medium businesses
Organisations & Critical Infrastructure
Government
/about-us/view-all-content/news/malicious-cyber-actors-using-spyware-to-target-individuals-personal-data

Malicious cyber actors using spyware to target individuals’ personal data   News

Apr 9, 2025 - New joint advisory on BADBAZAAR and MOONSHINE spyware.

Individuals & families
Small & medium businesses
Organisations & Critical Infrastructure
Government
/report-and-recover/recover-from/account-compromise/other

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.

Individuals & families
Small & medium businesses
Organisations & Critical Infrastructure
/about-us/view-all-content/alerts-and-advisories/enhanced-visibility-and-hardening-guidance-communications-infrastructure

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.

Organisations & Critical Infrastructure
Government
/about-us/media-releases/us-uk-and-australia-issue-joint-cybersecurity-advisory

U.S., U.K., and Australia Issue Joint Cybersecurity Advisory   News

Jul 28, 2021 - Cyber Agencies Share Top Routinely Exploited Vulnerabilities

Individuals & families
Small & medium businesses
Organisations & Critical Infrastructure
Government
/about-us/news/be-ready-auda-domain-name-changes

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.

Small & medium businesses
Organisations & Critical Infrastructure
Government
/about-us/news/microsoft-introduces-exchange-emergency-mitigation-service

Microsoft introduces Exchange Emergency Mitigation service   News

Oct 1, 2021 - Microsoft has launched a new optional protection for Microsoft Exchange servers.

Individuals & families
Small & medium businesses
Organisations & Critical Infrastructure
Government
/business-government/secure-design/secure-by-design/managing-cryptographic-keys-and-secrets

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.

Organisations & Critical Infrastructure
Government
/report-and-recover/recover-from/account-compromise/bank

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.

Individuals & families
Small & medium businesses
Organisations & Critical Infrastructure
/protect-yourself/easy-steps-secure-yourself-online

Easy steps to secure yourself online   Guidance

Apr 7, 2021 - Reduce the risk of being targeted by cybercriminals by following these easy steps.

Individuals & families
/about-us/view-all-content/alerts-and-advisories/russian-fsb-cyber-actor-star-blizzard-continues-worldwide-spear-phishing-campaigns

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.

Individuals & families
Small & medium businesses
Organisations & Critical Infrastructure
/about-us/view-all-content/alerts-and-advisories/ongoing-targeting-of-online-code-repositories

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.

Individuals & families
Small & medium businesses
Organisations & Critical Infrastructure
Government
/about-us/view-all-content/news-and-media/shop-online-securely-this-holiday-season

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.

Individuals & families
Small & medium businesses
/about-us/news/ditch-password-for-passphrases

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.

Individuals & families
/about-us/view-all-content/reports-and-statistics/annual-cyber-threat-report-2024-2025

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.

Individuals & families
Small & medium businesses
Organisations & Critical Infrastructure
Government

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Acknowledgement of Country

We acknowledge the Traditional Owners and Custodians of Country throughout Australia and their continuing connections to land, sea and communities.
We pay our respects to them, their cultures and their Elders; past, present and emerging. We also recognise Australia's First Peoples' enduring contribution to Australia's national security.

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