Many of the systems government use are not really geared up to modern technology and some date back to the 1970s.14 The Cabinet Office told us that government is a difficult environment for digital projects, partly because these previous systems and old data, known as ‘legacy’, can stand in the way of progress.15 Government relies on legacy systems for many important services.16 For example legacy systems are used by the Home Office to manage the UK border and by police forces to access crimi...

Many of the systems government use are not really geared up to modern technology and some date back to the 1970s.14 The Cabinet Office told us that government is a difficult environment for digital projects, partly because these previous systems and old data, known as ‘legacy’, can stand in the way of progress.15 Government relies on legacy systems for many important services.16 For example legacy systems are used by the Home Office to manage the UK border and by police forces to access criminal records and share intelligence.17 This means government is often building on top of existing systems with complex operational dependencies.18 This ma Type: conclusion | Number: 7 | Response status: not_addressed Government response: 2: PAC conclusion: 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. 2: PAC recommendation: At the start of 2022 the CDDO s