Whitepaper · 2025 · 28 pages
Defence & Security

Digital Transformation in UK Defence: A Strategic Framework

A practical framework for accelerating digital modernisation across defence — from data infrastructure to AI deployment in classified environments.

About this report

Defence Digital Modernisation: From Strategy to Delivery

The MOD has committed £2.5bn to digital modernisation. The NAO has identified systemic delivery failures. This report examines the gap between digital strategy and operational reality in defence — drawing on cleared practitioner experience across major MOD programmes to identify what separates successful delivery from expensive stall.

Who this is for

Senior leaders and practitioners in Defence & Security organisations who are responsible for strategy, transformation or technology investment decisions. Written by practitioners who have delivered in this sector — not analysts who have studied it.

What's inside
01
The Delivery Gap

An examination of why 70% of defence digital transformation programmes fail to deliver on their original objectives. The specific factors — cultural, commercial, technical and human — that create the gap between strategy and outcome.

02
Legacy, Security and the Strangler Fig

How to modernise complex, security-classified legacy systems without compromising operational integrity. The Strangler Fig pattern applied to defence infrastructure — incremental replacement that maintains capability throughout.

03
The People Problem Nobody Talks About

Change management in a defence context is unlike any other sector. Security culture, chain of command, career structures and operational tempo all shape how change lands. This chapter examines what works and what consistently fails.

04
Cleared Delivery Capacity

The shortage of SC and DV cleared practitioners with genuine digital transformation experience is the single biggest constraint on MOD programme delivery. How to build delivery capacity without compromising security requirements.

05
The Commercial Model

How prime contracting relationships, framework agreements and the Procurement Act interact in defence digital delivery — and how to structure commercial arrangements that incentivise outcomes rather than effort.

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