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Educational pack for small businesses   Guidance

Jun 15, 2023 - This educational pack provides engaging content to help small business owners learn how to stay cyber secure. Includes practical activities for staff.

Optus Data Breach   Alert

Sep 30, 2022 - To help protect against fraud, Optus has notified customers to look to reputable sources such as Moneysmart and the Office of the Australian Information Commissioner.

After you've made a purchase   Guidance

Once you’ve made a purchase you still need to remain vigilant. Cybercriminals can target you even after you’ve made a purchase on a legitimate website. Learn what to look out for after you’ve bought something online.

Malicious email mitigation strategies   Publication

Oct 6, 2021 - Socially engineered emails containing malicious attachments and embedded links are routinely used in targeted cyber intrusions against organisations. This publication has been developed to provide mitigation strategies for the security risks posed by these malicious emails.

ABC Radio interview with Head of ACSC   News

Mar 31, 2021 - Abigail Bradshaw CSC, Head of Australian Cyber Security Centre, interview with Fran Kelly on ABC Radio National, 31 March 2021.

2021-003: Ongoing campaign using Avaddon Ransomware   Advisory

May 8, 2021 - The Australian Cyber Security Centre (ACSC) is aware of an ongoing ransomware campaign utilising the Avaddon Ransomware malware. This campaign is actively targeting Australian organisations in a variety of sectors. This advisory provides details of Avaddon threat actors, dark web activity, targeted countries and sectors, the malware infection chain, and known Techniques, Tools, and Procedures (TTPs). If activity is identified relating to this advisory please report any findings to the ACSC.

Single Reporting Portal   Guidance

Mar 2, 2026 - To help you meet your reporting responsibilities, the Australian Government has brought together a list of Commonwealth legislative reporting requirements that could be triggered by a cyber security incident.

Creating Strong Passphrases   Guidance

Oct 6, 2021 - The longer your passphrase, the better. As adversaries can crack a short password with very little effort or time, you can increase the time and effort it takes by using a passphrase instead.

BADBAZAAR and MOONSHINE: Technical analysis and mitigations   Advisory

Apr 9, 2025 - This guidance has been jointly produced by government agencies from the UK, Australia, Canada, Germany, New Zealand, and the US and is supported by members of the NCSC Cyber League. Its provides new and collated threat intelligence on two spywares known as MOONSHINE and BADBAZAAR with guidance for how App store operators, developers and social media companies can keep their users safe.