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 06 Oct 2021 Domain Name System security for domain owners This publication provides information on DNS security for domain owners. It also shared helpful strategies to reduce the risk of domain misuse. 06 Oct 2021 Domain Name System security for domain resolvers This publication explores DNS security for recursive resolution servers. It also shares helpful strategies to reduce the risk of DNS resolver subversion or compromise. 06 Oct 2021 Fundamentals of Cross Domain Solutions This publication introduces technical and non-technical audiences to cross domain security principles for securely connecting security domains. 06 Oct 2021 How to combat fake emails Organisations can reduce the likelihood of their domains being used to support fake emails by implementing Sender Policy Framework (SPF) and Domain-based Message Authentication, Reporting and Conformance (DMARC) records in their Domain Name System (DNS) configuration. Using DMARC with DomainKeys Identified Mail (DKIM) to sign emails provides further safety against fake emails. Likewise, organisations can better protect their users against fake emails by ensuring their email systems use and apply SPF, DKIM and DMARC policies on inbound email. 06 Oct 2021 How to manage your security when engaging a managed service provider Understand the actions organisations can take to manage the security risks posed by engaging and authorising network access for managed service providers. 06 Oct 2021 Implementing certificates, TLS, HTTPS and opportunistic TLS Transport Layer Security (TLS) is a widely used encryption protocol which enables parties to communicate securely over the internet. Through the use of certificates and Public Key Infrastructure (PKI), parties can identify each other through a trusted intermediary and establish encrypted tunnels for the secure transfer of information. Pagination Previous page ‹‹ Page 19 Next page ›› Alerts and Advisories Advice, guidance and publications Reports and statistics News Programs Glossary