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Learn about who we are and what we do.
Interactive tools and advice to boost your online safety.
Advice and information about how to protect yourself online.
Common online security risks and advice on what you can do to protect yourself.
Respond to cyber threats and take steps to protect yourself from further harm.
Resources for business and government agencies on cyber security.
Displaying search results for Displaying 181 - 200 of 407 results.
Easy steps to secure yourself online Guidance
Apr 7, 2021 - Reduce the risk of being targeted by cybercriminals by following these easy steps.
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.
People's Republic of China State-Sponsored Cyber Actor Living off the Land to Evade Detection joint cybersecurity advisory News
May 25, 2023 - Today we released a joint advisory with international partners on a recently discovered cluster of activity associated with a People’s Republic of China (PRC) state-sponsored cyber actor.
Secure-by-Design Foundations News
Jul 31, 2024 - The Australian Signals Directorate’s Australian Cyber Security Centre (ASD's ACSC) has released updated guidance to help technology manufacturers and those who use their digital product or service to adopt secure-by-design principles.
Cyber security incident response planning: Practitioner guidance Publication
Dec 12, 2024 - ASD defines a cyber security incident as an unwanted or unexpected cyber security event, or a series of such events, that has either compromised business operations or has a significant probability of compromising business operations.
How to use the internet securely: A guide for seniors Guidance
Oct 1, 2021 - Some basic cyber security practices that you can use to protect yourself when accessing the internet.
Managed service providers: How to manage risk to customer networks Publication
Oct 6, 2021 - There are several mitigation strategies that managed service providers can implement to protect their own networks and manage the security risks posed to their customers’ networks.
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.
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.
Shifting the balance of cybersecurity risk Publication
Oct 17, 2023 - The Cybersecurity and Infrastructure Security Agency (CISA), National Security Agency (NSA), Federal Bureau of Investigation (FBI), the Australian Signals Directorate’s Australian Cyber Security Centre (ASD’s ACSC) and the following international partners provide the recommendations in this guide as a roadmap for technology manufacturers to ensure security of their products.
Update your devices
Jan 25, 2023 - Updates are new, improved, or fixed versions of software. Regular updates are critical in maintaining a secure system. It's important to check for any updates and make sure that automatic updates are switched on.
Mitigation strategies for edge devices: Executive guidance Publication
Feb 4, 2025 - This publication provides a high-level summary of ASD’s existing guidance to manage and secure edge devices effectively. It is intended for executives in large organisations and critical infrastructure providers that are responsible for the deployment, operation, security, and maintenance of enterprise networks. ASD is soon to release a comprehensive technical publication on mitigation strategies for edge devices for practitioners.
Cryptomining Threat
Jun 23, 2020 - Cryptocurrency mining (cryptomining) uses the processing power of computers to solve complex mathematical problems and verify cybercurrency transactions. The miners are then rewarded with a small amount of cybercurrency.
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.
Who we are
Oct 25, 2022 - Australian Signals Directorate’s Australian Cyber Security Centre (ASD’s ACSC) leads the Australian Government’s efforts to improve cyber security. Our role is to help make Australia the most secure place to connect online.
Account compromise Threat
Nov 10, 2023 - Account compromise is when criminals get unauthorised access to your email, banking, or other accounts.
Australia joins US and UK to warn of 2021 Ransomware trends News
Feb 10, 2022 - Ransomware continues to be a global threat, and cybercriminals using ransomware pose a significant risk to Australian organisations and households.
How to protect yourself from malware Guidance
Nov 10, 2023 - Malware (short for 'malicious software') is software that cybercriminals use to harm your computer system or network. Cybercriminals can use malware to gain access to your computer without you knowing, in targeted or broad-based attacks.
National cyber security exercises for Australia’s electricity industry News
Apr 30, 2020 - In November 2019, the Australian Signals Directorate’s Australian Cyber Security Centre (ASD’s ACSC) coordinated a national cyber security exercise series in partnership with Australia’s electricity industry and government agencies.
Cyber resources for small businesses News
Feb 11, 2022 - Last December, the Council of Small Business Organisations Australia (COSBOA) co-hosted an Act Now, Stay Secure breakfast at the National Portrait Gallery, along with the Australian Signals Directorate’s Australian Cyber Security Centre (ASD’s ACSC) and the Department of Home Affairs.
