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Phishing   Threat

Mar 19, 2023 - Learn about phishing attacks and know what to do if you've been targeted.

2019-131a: Emotet malware campaign   Alert

Oct 1, 2020 - The Australian Signals Directorate’s Australian Cyber Security Centre (ACSC) has observed an ongoing and widespread campaign of malicious emails designed to spread Emotet across a variety of sectors in the Australian economy, including critical infrastructure providers and government agencies.

Infamous Chisel   Advisory

Aug 31, 2023 - Malware Analysis Report.
A collection of components designed to enable remote access and exfiltrate information from Android phones.

Head of ACSC talks cyber security with Natarsha Belling in podcast special   News

Nov 29, 2021 - Ms Abigail Bradshaw, head of the Australian Cyber Security Centre (ACSC), recently sat down with journalist Natarsha Belling to discuss the common cyber threats affecting Australians today.

Cyber Security Awareness Month 2022   News

Sep 30, 2022 - October is Cyber Security Awareness Month and this year the Australian Signals Directorate’s Australian Cyber Security Centre's (ASD’s ACSC) theme is Have you been hacked?

Cyber Security Awareness Month 2021   News

Oct 5, 2021 - October is Cyber Security Awareness Month.

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.

Health Sector Snapshot   News

Feb 10, 2021 - This Sector Snapshot is designed to enhance awareness of key cyber security threats in the health sector and advise executives and cyber security professionals within the health sector on what they can do to protect their organisation from cyber threats. This report provides a high-level overview of the cyber security environment from 1 January to 31 December 2020.

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.

Head ACSC Address to AISA Cyber Conference 2021   News

Mar 17, 2021 - The Future of Cyber Security in Australia’ – Address by Abigail Bradshaw CSC, on 15 March 2021 Canberra Convention Centre.

Security tips for social media and messaging apps   Publication

Jul 14, 2022 - It's a great way to stay in touch and share content online. This guide covers the risks of using social media and messaging apps and what to look out for. It also covers ways to help keep accounts safe for business and personal use.

People's Republic of China State-Sponsored Cyber Actor Living off the Land to Evade Detection   Advisory

May 25, 2023 - The People's Republic of China State-Sponsored Cyber Actor Living off the Land to Evade Detection joint advisory provides examples of the cyber actor’s commands, along with detection signatures to aid network defenders in hunting for this activity.

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.

Cyber Security Awareness Month 2024  

Sep 30, 2024 - October is Cyber Security Awareness Month and an annual reminder for all Australians to stay secure online.

Report and recover  

Respond to cyberthreats and take steps to protect yourself from further harm.

Threats  

Common online security risks and advice on what you can do to protect yourself.

Watch out for threats  

Nov 2, 2022 - Know what to look for to stay in control of your devices and applications.

How to secure your devices  

Nov 29, 2024 - Protect your sensitive data and accounts. Learn how to secure your devices such as your computer, mobile phone and Internet of Things devices.

User education  

Apr 11, 2023 - This page lists publications on cybersecurity that relate to the behaviour of people and virtual communities of people.

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.

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.

Set up and perform regular backups  

Nov 9, 2022 - Backing up and having backups mean you can restore your files if something goes wrong. It is a precautionary measure so that your data is accessible in case something happens to your computer.

Turn on multi-factor authentication  

Nov 9, 2022 - Protect your important accounts with extra login steps.

Set secure passphrases  

Jul 30, 2024 - Where multi-factor authentication is not available, a strong passphrase is your best defence. 

Archived Alerts and Advisories  

Jan 23, 2025 - Search archived cyber security alerts and advice

Quiz library   Guidance

Test your knowledge about cybersecurity practices and threats through our quizzes.

Alerts and advisories  

Jan 30, 2023 - Find the latest in cybersecurity alerts and advisories

Home  

Jul 19, 2022 - Welcome to the Australian Cyber Security Centre website - cyber.gov.au

Report and recover from account compromise   Guidance

Nov 10, 2023 - A guide to recovering your account and protecting you against future attacks.

So you think you've been hacked  

Sep 1, 2022 - Use our interactive tool to find out what to do learn what steps to take if you think you’re the a victim of a cybercrime.