Written Question·Department for Science, Innovation and Technology·UIN 109124

Government Departments: Digital Technology

Tabled: 28 January 2026

Answered: 9 February 2026

Named Day

Question

Wendy Morton

To ask the Secretary of State for Science, Innovation and Technology, with reference to HCWS1249, what estimate he has made of the number of legacy digital systems in use across government; what timetable exists for decommissioning the highest-risk system

Answer

Ian Murray

The most recent assessment of the scale of legacy systems across the public sector was conducted as part of the State of Digital Government Review, which found that 28% of public sector systems were identified as legacy IT. Individual departments remain r...

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