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Report and recover from account compromise   Guidance

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

Increased Global Ransomware Threats   Alert

Feb 10, 2022 - In 2021, cybersecurity authorities in the United States, Australia, and the United Kingdom observed an increase in sophisticated, high-impact ransomware incidents against critical infrastructure organizations globally.

2022-004: ASD's ACSC Ransomware Profile – ALPHV (aka BlackCat)   Advisory

Apr 14, 2022 - ALPHV (aka BlackCat, Noberus) is a ransomware variant first observed in late 2021, used by cybercriminals to conduct ransomware attacks against multiple sectors and organisations worldwide, including Australia.

Recommendations to mitigate DDoS threats being made against Australian organisations   Advisory

Feb 25, 2020 - The Australian Signals Directorate’s Australian Cyber Security Centre (ASD’s ACSC) is aware of a number of Denial of Service (DoS) for ransom threats being made against Australian organisations, primarily in the banking and finance sector.

Revamped guide to protect Australian businesses against cyber threats   News

Jun 22, 2023 - Australian businesses have a new source of help to understand and combat cyber threats through the refreshed Small Business Cyber Security Guide and new video developed by the The Australian Signals Directorate’s Australian Cyber Security Centre (ASD's ACSC).

Protecting Against Cyber Threats to Managed Service Providers and their Customers   Advisory

May 12, 2022 - This advisory describes cybersecurity best practices for information and communications technology (ICT), focusing on guidance that enables transparent discussions between MSPs and their customers on securing sensitive data.

Increasing reports of myGov-related SMS and email scams targeting Australians   Alert

Jul 16, 2020 - Be on the lookout for myGov-related SMS and email scams asking you to verify your myGov details.

Safeguard your business from cyber threats with the Australian Signals Directorate    News

May 13, 2024 - Australian business owners and organisations can access advice from the Australian Signals Directorate (ASD) to stay secure online.

CISA, FBI, NSA, and international partners issue advisory on demonstrated threats and capabilities of Russian state-sponsored and cyber criminal actors   News

Apr 22, 2022 - Since Russia’s invasion of Ukraine in February, the risk of malicious cyber operations by Russian state-sponsored and criminal cyber actors has increased. The threats to critical infrastructure could impact organisations both within and beyond Ukraine.

Fast Flux: A national security threat   Advisory

Apr 4, 2025 - This advisory is for network defenders and explains how Bulletproof Hosting Providers are using ‘fast flux’ to cycle quickly through bots and DNS records to bypass detection. It highlights the importance of using a reputable Protective DNS (PDNS) provider that detects and blocks fast flux.

Report and recover from identity theft   Guidance

Nov 14, 2024 - Know where to make a report and get help if someone has stolen your personal or business identity.

Report a vulnerability   Service

Report vulnerabilities that are not publicly known, through the Australian Signals Directorate’s Australian Cyber Security Centre's (ASD’s ACSC) coordinated vulnerability disclosure service.

Cybersecurity Research Report   Reports and statistics

Dec 15, 2020 - The Australian Signals Directorate’s Australian Cyber Security Centre (ASD’s ACSC) commissioned exploratory research to better understand audience awareness of cybersecurity threats and practices.

Manic Menagerie Investigation Report   Reports and statistics

Jan 29, 2019 - This report details technical findings and mitigation advice related to the extensive compromise of at least eight Australian web hosting providers investigated by the Australian Signals Directorate’s Australian Cyber Security Centre (ASD’s ACSC) in May 2018.

Report a cyber security incident   Service

If you are reporting fraud or cybercrime, please refer to the ReportCyber – Cybercrime page.

MSP Investigation Report   Reports and statistics

Dec 21, 2018 - The Australian Signals Directorate’s Australian Cyber Security Centre (ASD’s ACSC) investigation report details the theft of commercial secrets, data and information from the Australian arm of a multinational construction services company via their Managed Service Provider.

2023-03: ASD's ACSC Ransomware Profile – Lockbit 3.0   Advisory

Jun 15, 2023 - The Australian Signals Directorate’s Australian Cyber Security Centre (ASD’s ACSC) is aware of Lockbit 3.0 which is the newest version of Lockbit ransomware. It is used by cybercriminals to conduct ransomware attacks against multiple sectors and organisations worldwide, including Australia. Once gaining access to a victim’s environment, cybercriminals use this ransomware for similar purposes as other variants such as encrypting their data, and extorting a ransom to return access to the sensitive files.

Report and recover from malware   Guidance

Nov 10, 2023 - If you’ve fallen victim to a malware attack, find out what to do and who to contact.

Report and recover from ransomware   Guidance

Jul 14, 2023 - Learn where to get help from a ransomware attack, and steps to protect yourself against future incidents.

Understanding Ransomware Threat Actors: LockBit   Advisory

May 8, 2024 - The Australian Signals Directorate’s Australian Cyber Security Centre (ASD's ACSC) alongside international partners have released a joint advisory on the ransomware variant LockBit. It functions as an affiliate-based Ransomware-as-a-Service (RaaS) model where affiliates are recruited to conduct ransomware attacks using LockBit ransomware tools and infrastructure.

Report and recover from a data breach   Guidance

Jul 14, 2023 - A data breach occurs when sensitive or personal information is accessed, disclosed or exposed to unauthorised people.

Report and recover from scams   Guidance

Apr 11, 2023 - If someone has stolen your money or personal information, find out what to do and who to contact. We also provide advice on how to avoid scams in future.

Report and recover from hacking   Guidance

Apr 11, 2023 - If someone has stolen your money or personal information, find out what to do and who to contact. We also provide advice on how to avoid scams in future.

Joint Report on Publicly Available Hacking Tools   Reports and statistics

Oct 12, 2018 - This report is a collaborative research effort by the cyber security authorities of five nations: Australia, Canada, New Zealand, the UK and USA. It highlights the use of five publicly available tools, observed in recent cyber incidents around the world.

Increased cyber threat activity targeting Snowflake customers   Alert

Jun 1, 2024 - The ASD’s ACSC is aware of increased cyber threat activity regarding Snowflake customers.

ASD/ACSC engagement request   Hidden

Jun 8, 2023 - Thank you for your interest in having ASD/ACSC attend or speak at your event. In order for us to identify the most appropriate staff member, we ask that you provide us with some information about your event, the audience and intended outcome of your engagement with ASD/ACSC. Please note we require 8 weeks’ notice to review your request.

Report and recover from business email compromise   Guidance

Jul 14, 2023 - Step-by-step guidance on how to respond to and recover from email compromise and impersonation attempts.

2021-006: ASD's ACSC Ransomware Profile - Lockbit 2.0   Advisory

Aug 5, 2021 - The LockBit ransomware restricts access to corporate files and systems by encrypting them into a locked and unusable format. Victims receive instructions on how to engage with the offenders after encryption. LockBit affiliates have successfully deployed ransomware on corporate systems in a variety of countries and sectors, including Australia, where the Australian Signals Directorate’s Australian Cyber Security Centre (ASD’s ACSC) is aware of numerous incidents since 2020. LockBit affiliates are known to implement the ‘double extortion’ technique by uploading stolen and sensitive victim information to their dark web site ‘LockBit 2.0’, and threatening to sell and/or release this information if their ransom demands are not met.

2021-010: ASD's ACSC Ransomware Profile - Conti   Advisory

Mar 4, 2022 - Conti is a ransomware variant first observed in early 2020, used by cybercriminals to conduct ransomware attacks against multiple sectors and organisations worldwide, including Australia. Conti is offered as a Ransomware-as-a-Service (RaaS), enabling affiliates to utilise it as desired, provided that a percentage of the ransom payment is shared with the Conti operators as commission. This product provides information related to Conti’s background, threat activity, and mitigation advice.

2023-01: ASD's ACSC Ransomware Profile - Royal   Advisory

Jan 24, 2023 - The Australian Signals Directorate's Australian Cyber Security Centre (ASD's ACSC) is aware of a ransomware variant called Royal, which is being used by cybercriminals to conduct ransomware attacks against multiple sectors and organisations worldwide, including Australia. Once gaining access to a victim’s environment, cybercriminals use this ransomware for similar purposes to other variants such as encrypting their data and extorting a ransom to return access to the sensitive files.