archivezones of trust

The UK's National Cyber Security Centre (NCSC) released landmark guidance on cross-domain architecture in April 2026, fundamentally reshaping how government bodies, critical infrastructure operators, and enterprise security teams should approach secure data movement between environments of different trust levels. If your organisation handles sensitive data across multiple network zones — whether that means connecting classified government systems to commercial platforms, linking IT to Operational Technology (OT), or bridging cloud services with on-premises environments — this guidance directly affects your security architecture. This blog breaks down everything you need to know:...