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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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Guidelines for procurement and outsourcing Advice
Jul 3, 2025 - This chapter of the Information security manual (ISM) provides guidance on procurement and outsourcing activities.
Identifying cyber supply chain risks Publication
May 22, 2023 - This guidance has been developed to assist organisations in identifying risks associated with their use of suppliers, manufacturers, distributors and retailers (i.e. businesses that constitute their cyber supply chain).
U.S., U.K., and Australia Issue Joint Cybersecurity Advisory News
Jul 28, 2021 - Cyber Agencies Share Top Routinely Exploited Vulnerabilities
Preparing for and responding to denial-of-service attacks Publication
Mar 17, 2025 - Although organisations cannot avoid being targeted by denial-of-service attacks, there are a number of measures that organisations can implement to prepare for and potentially reduce the impact if targeted. Preparing for denial-of-service attacks before they occur is by far the best strategy, it is very difficult to respond once they begin and efforts at this stage are unlikely to be effective.
Secure your mobile phone Guidance
Nov 12, 2024 - The security of your mobile phone can be as crucial as your computer. Follow these steps to protect your phone or tablet from cybercriminals.
Guidelines for enterprise mobility Advice
Jul 3, 2025 - This chapter of the Information security manual (ISM) provides guidance on enterprise mobility.
Are your organisation’s edge devices secure? News
Feb 5, 2025 - New publication series for executives and IT practitioners on how to secure edge devices.
Connecting with others online
Jul 30, 2024 - It is easier than ever to stay in contact with people online. However, using popular online apps and tools can make you more susceptible to cybercriminals.
Modern defensible architecture Publication
Feb 10, 2025 - Modern defensible architecture is the first step in Australian Signals Directorate (ASD)’s Australian Cyber Security Centre (ACSC)’s push to ensure that secure architecture and design are being considered and applied by organisations in their cybersecurity and resilience planning.
Web conferencing security Publication
Oct 6, 2021 - Web conferencing tools are essential for meeting with colleagues and clients online. This guide provides tips on how to choose a secure web conference provider, and what risks to be aware of.
Update your small business cyber security News
Jun 12, 2024 - Resources to help protect small businesses from cyber threats.
Geo-blocking in context: Realities, risks and recommendations Publication
May 19, 2025 - This guidance is intended for decision makers and cybersecurity practitioners. It highlights what to be aware of when identifying the source of a threat and the potential implications of geo-blocking in a broader cybersecurity strategy.
An introduction to artificial intelligence Publication
Nov 24, 2023 - Artificial intelligence (AI) is an emerging technology that will play an increasingly influential role in the everyday life of Australians.
Email security
Jul 29, 2024 - Protect yourself, your employees and business from an email security incident before it's too late.
Joint Advisory on Technical Approaches to Uncovering and Remediating Malicious Activity Advisory
Sep 2, 2020 - The purpose of this report is to enhance incident response among partners and network administrators along with serving as a playbook for incident investigation.
Risk management of enterprise mobility (including Bring Your Own Device) Publication
Oct 6, 2021 - This publication has been developed to provide senior business representatives with a list of enterprise mobility considerations. These include business cases, regulatory obligations and legislation, available budget and personnel resources, and risk tolerance. Additionally, risk management controls are provided for cybersecurity practitioners.
Cybersecurity for charities and not-for-profits Guidance
Mar 12, 2024 - How to avoid common cyberthreats and protect your mission .
Vulnerability disclosure programs explained Publication
Dec 12, 2024 - A vulnerability disclosure program (VDP) is a collection of processes and procedures designed to identify, verify, resolve and report on vulnerabilities disclosed by people who may be internal or external to organisations. The importance of developing, implementing and maintaining a well thought-out VDP cannot be underestimated. It is an integral part of professional organisations’ business operations.
Cyber security is essential when preparing for COVID-19 Advisory
Mar 13, 2020 - In light of the COVID-19 pandemic, organisations are developing strategies to protect staff and vulnerable members of our community.
Joint advisory released for Managed Service Providers and Customers to mitigate cybersecurity risks News
May 12, 2022 - The Australian Signals Directorate’s Australian Cyber Security Centre (ASD’s ACSC) has today joined with international cyber security agency partners, to warn Managed Service Providers (MSP) of pressing cyber risks and provide guidance on suitable mitigations for them and their customers.
PRC state-sponsored actors compromise and maintain persistent access to U.S. critical infrastructure Advisory
Feb 8, 2024 - The Cybersecurity and Infrastructure Security Agency (CISA), National Security Agency (NSA), and Federal Bureau of Investigation (FBI) assess that People’s Republic of China (PRC) state sponsored cyber actors are seeking to preposition themselves on IT networks for disruptive or destructive cyberattacks against U.S. critical infrastructure in the event of a major crisis or conflict with the United States.
APT40 Advisory Advisory
Jul 9, 2024 - This advisory, authored by the Australian Signals Directorate’s Australian Cyber Security Centre and international partners, outlines a People’s Republic of China (PRC) state-sponsored cyber group and their current threat to Australian networks.
Personal cybersecurity: Advanced steps guide Guidance
Mar 23, 2023 - The third and final cybersecurity guide in the personal cybersecurity series is designed to help everyday Australians understand an advanced level of cybersecurity and how to take action to protect themselves from cyberthreats.
Introduction to connected vehicles Guidance
Jun 30, 2025 - Connected vehicles (CVs) carry cyber security risks that vary depending on their level of connectivity. Learn about the risks before buying a CV and how to stay more secure when using these vehicles.
Guidelines for email Advice
Jul 3, 2025 - This chapter of the Information security manual (ISM) provides guidance on email.
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.
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.
Mitigating Log4Shell and Other Log4j-Related Vulnerabilities Advisory
Dec 23, 2021 - Malicious cyber actors are actively scanning networks to potentially exploit Log4Shell, CVE-2021-45046, and CVE-2021-45105 in vulnerable systems. According to public reporting, Log4Shell and CVE-2021-45046 are being actively exploited. This joint Cybersecurity Advisory is to provide mitigation guidance on addressing vulnerabilities.
Industrial control systems: Remote access protocol Publication
Oct 6, 2021 - External parties may need to connect remotely to critical infrastructure control networks. This access is to allow the manufacturers of equipment used in Australia’s critical infrastructure the ability to maintain the equipment, when a fault is experienced that cannot be fixed in the required timeframe any other method.
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.
