The Department has a substantial legacy technology estate, in part because it has not prioritised the investment needed to keep it up to date.63 Defence Digital, the organisation responsible for leading on the digital strategy, estimates it will cost £11.7 billion over 10 years to remediate just its own legacy systems.64 We asked the Department whether it was more cost effective to fix its legacy systems gradually, or simply to start afresh with a different approach. The Department explained ...

The Department has a substantial legacy technology estate, in part because it has not prioritised the investment needed to keep it up to date.63 Defence Digital, the organisation responsible for leading on the digital strategy, estimates it will cost £11.7 billion over 10 years to remediate just its own legacy systems.64 We asked the Department whether it was more cost effective to fix its legacy systems gradually, or simply to start afresh with a different approach. The Department explained that from now on it will ensure its programmes set aside money to keep systems up to date for life and comply with the rules of its future architecture. Type: conclusion | Number: 20 | Response status: not_addressed