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Interactive tools and advice to boost your online safety.
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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.
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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.
Secure by Design foundations Publication
Jul 30, 2024 - ASD’s ACSC's Secure by Design foundations represent a first step in a new approach to assist technology manufacturers and customers to adopt Secure by Design. While the foundations are primarily designed to foster discussion within technology manufacturers on how to best approach Secure by Design, they contain relevant information and actions for technology customers.
Content credentials: Strengthening multimedia integrity in the generative AI era Publication
Jan 30, 2025 - This cybersecurity information sheet discusses how Content Credentials (especially Durable ones) can be valuable to protect the provenance of media, raises awareness of the state of this solution, provides recommended practices to ensure the preservation of provenance, and discusses the importance of widespread adoption across the information ecosystem.
Cyber security best practices for smart cities Publication
Apr 20, 2023 - This guidance is the result of a collaborative effort from the United States Cybersecurity and Infrastructure Security Agency (CISA), the United States National Security Agency (NSA), the United States Federal Bureau of Investigation (FBI), the United Kingdom National Cyber Security Centre (NCSC-UK), the Australian Signals Directorate’s Australian Cyber Security Centre (ASD’s ACSC), the Canadian Centre for Cyber Security (CCCS), and the New Zealand National Cyber Security Centre (NCSC-NZ).
Australian Signals Directorate’s Cyber Security Partnership Program Program page
The Australian Signals Directorate's Australian Cyber Security Partnership Program enables Australian organisations and individuals to engage with the ASD's ACSC and fellow partners, drawing on collective understanding, experience, skills and capability to lift cyber resilience across the Australian economy.
Gateway security guidance package: Overview Publication
Jul 29, 2025 - This page provides an overview of ASD’s Gateway security guidance package.
Malicious insiders Threat
Jun 23, 2020 - Malicious insiders can be employees, former employees, contractors or business associates who have legitimate access to your systems and data, but use that access to destroy data, steal data or sabotage your systems. It does not include well-meaning staff who accidentally put your cyber security at risk or spill data.
Secure your website Guidance
Jul 29, 2024 - Small business account for over 95% of all businesses in Australia and 72% of them have a website. However, in a world in which websites are increasingly being targeted by cyber criminals, only 36% check for updates every week. For those small businesses with a website, or that are considering one, these three quick wins will help you protect your money, data and reputation.
The Commonwealth Cyber Security Posture in 2020 Reports and statistics
Jun 10, 2021 - The Commonwealth Cyber Security Posture Report in 2020 informs the Parliament of the status of the Commonwealth’s cybersecurity posture. Overall, the report found that Commonwealth entities continued to improve their cybersecurity in 2020. Ongoing effort is required to maintain the currency and effectiveness of cybersecurity measures.
Foundations for OT cybersecurity: Asset inventory guidance for owners and operators Publication
Aug 14, 2025 - This guidance outlines how OT owners and operators can create and maintain an asset inventory and OT taxonomy, to protect their most vital assets. It includes steps for defining scope and objectives for the inventory, identifying assets, collecting attributes, creating a taxonomy, managing data, and implementing asset life cycle management.
Scams Threat
Apr 21, 2023 - Online scams cost Australians millions of dollars each year and anyone can be targeted. Cybercriminals often use familiar brands and logos to make themselves seem reliable.
OS Command Injection Vulnerability in GlobalProtect Gateway Alert
May 3, 2024 - ASD’s ACSC is aware of a vulnerability (CVE-2024-3400) that enables an unauthenticated attacker to execute arbitrary code with root privileges on the firewall.
ASD's ACSC social media community
Connect with us on Facebook, Twitter and YouTube, and find out how to subscribe to our RSS feeds.
Types of scams Guidance
Learn about the common types of scams, how to identify them and how to recover from them.
Russian Military Cyber Actors Target U.S. and Global Critical Infrastructure Advisory
Sep 6, 2024 - The Federal Bureau of Investigation (FBI), Cybersecurity and Infrastructure Security Agency (CISA), and National Security Agency (NSA) assess that cyber actors affiliated with the Russian General Staff Main Intelligence Directorate (GRU) 161st Specialist Training Center (Unit 29155) are responsible for computer network operations against global targets for the purposes of espionage, sabotage, and reputational harm since at least 2020.
2020-013 Ransomware targeting Australian aged care and healthcare sectors Advisory
Aug 2, 2020 - Recently there has been a significant increase in healthcare or COVID-19 themed malicious cyber activity, including targeting of the aged care and healthcare sectors by financially motivated cyber criminals using the ‘Maze’ ransomware.
The ASD's ACSC On-Call 24/7 News
Nov 25, 2021 - All Australians now have greater access to cyber security help and advice through the Australian Signals Directorate’s Australian Cyber Security Centre's (ASD’s ACSC) enhanced national Cyber Security Hotline - 1300 CYBER1.
Widespread outages relating to CrowdStrike software update Alert
Jul 21, 2024 - A CrowdStrike software update has led to outages impacting Windows systems.
Quishing Threat
Nov 2, 2023 - Quishing is a form of phishing attack that uses QR codes instead of text-based links in phishing emails, digital platforms or on physical items. Quishing is a social engineering technique used by scammers and malicious actors to trick their victims into providing sensitive personal information or downloading malware onto their devices.
Priority logs for SIEM ingestion: Practitioner guidance Publication
May 27, 2025 - This document is again intended for cyber security practitioners and provides detailed, technical guidance on the logs that should be prioritised for SIEM ingestion. It covers log sources including Endpoint Detection and Response tools, Windows/Linux operating systems, and Cloud and Network Devices.
Microsoft's investment in Australia’s cyber security News
Oct 24, 2023 - The Prime Minister has announced Microsoft’s $5 billion commitment to building Australia’s cyber defence.
Cyber incident management arrangements for Australian governments Publication
Sep 18, 2023 - The CIMA provides Australian governments with guidance on how they will collaborate in response to, and reduce the harm associated with, national cyber incidents.
Security configuration guide: Samsung Galaxy S10, S20 and Note 20 devices Publication
Oct 6, 2021 - ASD has developed this guide to assist Australian’s to understand risks when deploying Samsung Galaxy and Samsung Note devices and the security requirements that need to be met to allow them to handle classified data.
Vulnerability planning
Sep 3, 2025 - Resources to help organisations plan for, and manage, critical vulnerabilities effectively.
Guidelines for communications systems Advice
Sep 4, 2025 - This chapter of the Information security manual (ISM) provides guidance on communications systems.
Introduction to Cross Domain Solutions Publication
Oct 6, 2021 - This publication introduces technical and non-technical audiences to the concept of a Cross Domain Solution (CDS), a type of security capability that is used to connect discrete systems within separate security domains in an assured manner.
Exercise in a Box is here News
Nov 17, 2022 - This service provides an all in one platform that your organisation can use to assess and improve its cyber security practices in your own time, in a safe environment, and as many times as you want.
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.
Exploitation of vulnerabilities affecting Cisco firewall platforms Alert
Apr 25, 2024 - This alert has been written for the IT teams of organisations and government. Entities are strongly encouraged to take immediate action to ensure affected devices are patched and investigate for potential compromise.
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.
