Latest publications 09 Apr 2026 Detecting socially engineered messages Socially engineered messages pose a significant threat to organisations. They can have a big impact, helping malicious actors access accounts, systems or sensitive information. Learn how to spot a socially engineered message, including through email, SMS, social media or messaging apps. 09 Apr 2026 Security tips for social media and messaging services It's a great way to stay in touch and share content online. This guide covers the risks of using social media and messaging apps and what to look out for. It also covers ways to help keep accounts safe for business and personal use. 25 Mar 2026 Securing space This guidance explains LEO SATCOM cyber security risks and provides mitigation strategies and considerations. It also includes questions to help organisations ensure secure and resilient services from providers. 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 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. 04 Dec 2025 Principles for the secure integration of Artificial Intelligence in Operational Technology This publication provides guidance for critical infrastructure owners and operators for integrating AI into operational technology (OT) environments. It outlines key principles to leverage the benefits of AI in OT systems while minimising risk. 20 Nov 2025 Bulletproof defense: mitigating risks from bulletproof hosting providers This document provides internet service providers (ISPs) and network defenders recommendations to mitigate potential cybercriminal activity enabled by bulletproof hosting (BPH) providers. 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. Pagination Previous page ‹‹ Page 2 Next page ›› Alerts and Advisories Advice, guidance and publications Reports and statistics News Programs Glossary