Departments typically do not have a good understanding of their IT estate, legacy systems are often poorly understood because of their age, and replacing these systems 10 Q 7 11 Dr Jerry Fishenden, Professor Mark Thompson and Assistant Professor Will Venters submission page 2 12 Qq 13–14 13 Qq 27, 7 14 Chair opening statement 15 Q 1 16 C&AG’s Report, para 2.15 17 Committee of Public Accounts, Digital Services at the Border, Forty-Eighth Report of Session 2019–21, HC 936, 12 March 2021; Commit...

Departments typically do not have a good understanding of their IT estate, legacy systems are often poorly understood because of their age, and replacing these systems 10 Q 7 11 Dr Jerry Fishenden, Professor Mark Thompson and Assistant Professor Will Venters submission page 2 12 Qq 13–14 13 Qq 27, 7 14 Chair opening statement 15 Q 1 16 C&AG’s Report, para 2.15 17 Committee of Public Accounts, Digital Services at the Border, Forty-Eighth Report of Session 2019–21, HC 936, 12 March 2021; Committee of Public Accounts, e-Borders and successor programmes, Twenty-seventh Report of Session 2015–16, HC 643, 4 March 2016; Committee of Public Accounts, Type: conclusion | Number: 9 | 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