Latest publications 23 Jan 2026 Hardening Microsoft Windows 11 workstations This publication provides recommendations on hardening workstations using Enterprise and Education editions of Microsoft Windows 11. While this publication refers to workstations, most recommendations are equally applicable to servers (with the exception of Domain Controllers) using Microsoft Windows Server. Security features discussed in this publication, along with the names and locations of Group Policy settings, are taken from Microsoft Windows 11 version 25H2. 15 Jan 2026 Secure connectivity principles for Operational Technology (OT) How organisations should design, secure, and manage connectivity in operational technology (OT). 14 Jan 2026 Artificial intelligence for small business This guide explains the key cyber security risks of adopting AI technologies and how to reduce while adopting. While traditional threats such as phishing, ransomware and insider threats are still relevant, this guide focuses on other risks that AI introduces. All publications Title AudienceIndividuals & familiesSmall & medium businessesOrganisations & Critical InfrastructureGovernment Sort by Sort byDate updated (new to old)Date updated (old to new)Title (A-Z)Title (Z-A) Items per page 61218243036424854606672788490200 31 Oct 2025 Microsoft Exchange Server security best practices This paper—authored by the National Security Agency (NSA), Cybersecurity and Infrastructure Security Agency (CISA), Australian Signals Directorate’s Australian Cyber Security Centre (ASD’s ACSC), and Canadian Centre for Cyber Security (Cyber Centre)—provides security best practices for administrators on hardening on-premises (on-prem) Exchange. 30 Oct 2025 Cyber security priorities for boards of directors 2025-26 This advice outlines questions boards can ask of management and their organisation to understand its cyber security posture in the current cyber threat environment. 28 Oct 2025 Creating and maintaining a definitive view of your operational technology architecture How organisations who deploy or operate operational technology systems should build, maintain and store their systems understanding. 23 Oct 2025 Investing in modern defensible architecture The Australian Signals Directorate’s Australian Cyber Security Centre (ASD’s ACSC) and international partners present this guidance to help organisations develop an MDA investment roadmap based on their organisational strategy, business and security objectives, risk profile and threat context. 23 Oct 2025 Foundations for modern defensible architecture The Foundations represent the first step to help organisations adopt a ‘modern defensible architecture’ approach, which will enable them to evolve alongside the threat landscape. 23 Oct 2025 Modern defensible architecture for senior decision-makers ASD’s ACSC and the following international partners present this guidance to assist senior decision-makers to understand the contemporary threat landscape and how modern defensible architecture can support organisations to defend against current threats and prepare for future threats. Pagination Previous page ‹‹ Page 2 Next page ›› Alerts and Advisories Advice, guidance and publications Reports and statistics News Programs Glossary