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Social engineering   Threat

May 29, 2025 - Social engineering is a significant threat to individuals and organisations, enabling malicious actors to compromise accounts, devices, systems or sensitive information.

Practical cybersecurity tips for business leaders   Publication

Jan 17, 2024 - Business leaders can be appealing targets for malicious actors due to the sensitive information they can access, the important people they interact with and the influence they hold. This publication includes a checklist of practical tips business leaders can implement to improve their cybersecurity. The checklist is followed by a brief explanation of each tip and why it is recommended.

Identifying and Mitigating Living Off the Land Techniques   Advisory

Feb 8, 2024 - This Guide, authored by the U.S. Cybersecurity and Infrastructure Security Agency (CISA), National Security Agency (NSA), Federal Bureau of Investigation (FBI), and the following agencies (hereafter referred to as the authoring agencies), provides information on common living off the land (LOTL) techniques and common gaps in cyber defense capabilities.

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.

Implementing SIEM and SOAR platforms: Executive guidance   Publication

May 27, 2025 - This publication is one of three in a suite of guidance on SIEM and SOAR platforms. It is primarily intended for executives but can be used by any organisation that is considering whether and how to implement a SIEM and/or SOAR.

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.

Report a cyber security incident   Service

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

Windows event logging and forwarding   Publication

Oct 6, 2021 - This publication has been developed as a guide to the setup and configuration of Microsoft Windows event logging and forwarding.

Identity theft   Threat

Nov 14, 2024 - Learn about how identity theft can affect you and how to keep your personal information secure.

Iranian Government-Sponsored APT Cyber Actors Exploiting Microsoft Exchange and Fortinet Vulnerabilities in Furtherance of Malicious Activities   Advisory

Nov 22, 2021 - Iranian government-sponsored APT actors are actively targeting a broad range of victims across multiple U.S. critical infrastructure sectors, including the Transportation Sector and the Healthcare and Public Health Sector, as well as Australian organisations.

Small Business Cloud Security Guides: Executive Overview   Publication

Dec 16, 2022 - In recognition of the increasing prevalence of cloud computing, the Australian Cyber Security Centre (ACSC) has published the Small business cloud security guides. These guides are designed to provide protection against cybersecurity incidents while remaining accessible to organisations which may not have the resources and expertise to implement a more sophisticated strategy.

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.

Joint cybersecurity advisory released on 2021's top routinely exploited vulnerabilities   News

Apr 28, 2022 - Malicious cyber actors are aggressively targeting newly-disclosed and dated critical software vulnerabilities against a broad range of targets, including public and private sector organisations worldwide.

SVR cyber actors adapt tactics for initial cloud access   Advisory

Feb 27, 2024 - How SVR-attributed actors are adapting to the move of government and corporations to cloud infrastructure.

Privacy Awareness Week 2023   News

Apr 28, 2023 - The Australian Cyber Security Centre (ACSC) is supporting with the Office of the Australian Information Commissioner (OAIC) to support Privacy Awareness Week.

Advisory 2020-008: Copy-paste compromises - tactics, techniques and procedures used to target multiple Australian networks   Advisory

Sep 16, 2020 - This advisory details the tactics, techniques and procedures (TTPs) identified during the Australian Signals Directorate’s Australian Cyber Security Centre (ASD’s ACSC) investigation of a cyber campaign targeting Australian networks. These TTPs are captured in the frame of tactics and techniques outlined in the MITRE ATT&CK framework.

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.

Russian GRU targeting Western logistics entities and technology companies   Advisory

May 22, 2025 - This joint cybersecurity advisory (CSA) highlights a Russian state-sponsored cyber campaign targeting Western logistics entities and technology companies.

IoT Secure by Design guidance for manufacturers   Publication

Sep 21, 2023 - This guidance has been produced for manufacturers in order to help them implement thirteen Secure by Design principles.

Small Business Google Chromebook and ChromeOS Security Guide   Guidance

Nov 12, 2024 - This publication was developed by the Australian Signals Directorate’s Australian Cyber Security Centre (ASD’s ACSC) with technical input from Chrome Engineering.

#StopRansomware: BianLian Ransomware Group   Advisory

Nov 21, 2024 - The Federal Bureau of Investigation (FBI), Cybersecurity and Infrastructure Security Agency (CISA), and Australian Signals Directorate’s Australian Cyber Security Centre (ASD’s ACSC) are releasing this joint Cybersecurity Advisory to disseminate known BianLian ransomware and data extortion group IOCs and TTPs identified through FBI and ASD's ACSC investigations as of March 2023.

Preventing Web Application Access Control Abuse   Advisory

Jul 28, 2023 - The Australian Cyber Security Centre (ACSC), U.S. Cybersecurity and Infrastructure Security Agency (CISA), and U.S. National Security Agency (NSA) are releasing this joint Cybersecurity Advisory to warn vendors, designers, and developers of web applications and organizations using web applications about insecure direct object reference (IDOR) vulnerabilities.

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.

2020-006 Detecting and mitigating exploitation of vulnerability in Microsoft Internet Information Services   Advisory

May 22, 2020 - This advisory provides indicators of the activity the Australian Signals Directorate’s Australian Cyber Security Centre (ASD’s ACSC) has observed and details proactive advice on detecting and mitigating potential exploitation of this vulnerability in Microsoft Internet Information Services.

Essential Eight assessment process guide   Publication

Oct 2, 2024 - This publication provides advice on how to assess the implementation of the Essential Eight.

Small Business Cloud Security Guides: Technical Example - Regular Backups   Publication

Dec 16, 2022 - Implementing regular backups will assist your organisation to recover and maintain its operations in the event of a cybersecurity incident, for example, a ransomware attack.

Optus Data Breach   Alert

Sep 30, 2022 - To help protect against fraud, Optus has notified customers to look to reputable sources such as Moneysmart and the Office of the Australian Information Commissioner.

Implementing multi-factor authentication   Publication

Nov 27, 2023 - This publication has been developed to provide guidance on what multi-factor authentication is, different multi-factor authentication methods that exist and why some multi-factor authentication methods are more secure, and therefore more effective, than others.

Increase in denial-of-service (DoS) attacks against Australian organisations   Advisory

Mar 17, 2025 - ASD's ACSC is aware of an increase in denial-of-service (DoS) attacks, where malicious actors flood websites with internet traffic, making it difficult for legitimate users to access them.

New Secure by Demand guidance available for operational technology owners and operators   News

Jan 14, 2025 - To protect your systems from threat actors targeting your operational technology components, select products from manufacturers who are Secure-by-Design. Find out which security elements to prioritise.