Body of Knowledge · October 2026 · thesovereignstack.org
The Sovereign Stack

Body of Knowledge · Control · D5

Continuity

Can it be suspended, degraded or repriced from outside?

50 out of 100 · Partly sovereign

Average of 411 scored findings; 0 findings carry no evidence on this dimension and are not counted.

1. By sector

  1. BBC 64
  2. Schools 64
  3. Policing 52
  4. Devolved Governments 51
  5. Defence 49
  6. Higher Education 47
  7. Local Government 47
  8. Central Government 43
  9. NHS 41

2. How findings split

  • Exposed 80
  • Dependent 0
  • Partly sovereign 248
  • Sovereign 83

How we score it

Each finding is scored 0 (exposed) to 3 (sovereign) from the evidence field below; the page index is the average, scaled to 100.

continuity risk
Low 3
Medium 1.5
High 0
The full method

3. Most exposed

  1. AWS – national services (Spine 36 services, NHS login, e-RS, 111 DoS, MESH) 0 NHS · NHS – National · Amazon Web Services (NHS England Digital, 2023)
  2. Palantir Foundry SaaS hosting for Federated Data Platform 0 NHS · NHS – National · Palantir (on hyperscaler cloud) (NHS England, 2026; The Register, n.d.)
  3. Amazon DynamoDB / Aurora (NHS login and cloud-native Spine services) 0 NHS · NHS – National · Amazon Web Services (Amazon Web Services, 2021)
  4. NHSmail shared Microsoft Entra ID tenant (directory for ~1.5–1.7m users) 0 NHS · NHS – National · Microsoft (operated by Accenture for NHSE) (PublicTechnology, 2021; Contracts Finder, n.d.)
  5. NHSmail (Exchange Online in national M365 shared tenant) 0 NHS · NHS – National · Microsoft; Accenture (service operator) (PublicTechnology, 2021; Contracts Finder, n.d.)

4. Most sovereign

  1. National SOC (Dundee) delivery partner 100 Devolved Governments · NHS Scotland (NSS National Security Operations Centre) · Systal (Futurescot, 2024)
  2. SQL Server 2019, Power BI and SSRS for BI and data warehousing 100 Devolved Governments · Powys Teaching Health Board (NHS Wales) · Microsoft (Pthb, 2023)
  3. NHS Wales App delivery partner (discovery, development, operations, support) 100 Devolved Governments · NHS Wales (DHCW / NHS Wales App) · Kainos (Find a Tender Service, 2024)
  4. Welsh Nursing Care Record (single national instance since Nov 2023) 100 Devolved Governments · NHS Wales (DHCW) · Digital Health and Care Wales (UKAuthority, 2024)
  5. Welsh Clinical Portal (national clinical record viewer) 100 Devolved Governments · NHS Wales (DHCW) · Digital Health and Care Wales (Pthb, 2023)
Explore every finding in the playground All twelve dimensions
Also in Control