There is no clear plan to replace or modernise legacy systems and data that are critical to service provision but are often old, unsupportable, vulnerable and a constraint on transformation. Legacy systems, some of which date back to the 1970s, are widespread across government, which relies on them for important services such as managing the UK’s borders and paying the State Pension. Many of these systems are stable and performing acceptably at reasonable cost, but others are high-risk, unrel...

There is no clear plan to replace or modernise legacy systems and data that are critical to service provision but are often old, unsupportable, vulnerable and a constraint on transformation. Legacy systems, some of which date back to the 1970s, are widespread across government, which relies on them for important services such as managing the UK’s borders and paying the State Pension. Many of these systems are stable and performing acceptably at reasonable cost, but others are high-risk, unreliable, contain security vulnerabilities, or frustrate business transformation. Despite this, departments have a limited understanding of their legacy est Type: conclusion | Number: 2 | Response status: accepted Government response: 2022. It should report against these metrics annually to enable Parliament and the public to determine what progress it is making towards meeting the objectives set out in the Government’s 25 Year Environment Plan. 2.1 The government agrees with the Committee’s recomme