Select committee: Public Accounts Committee

Conclusion 20

54th Report - Afghanistan Response Route Published 14 Nov 2025 Addressed to HM Treasury
Conclusion (the committee's words)
The C&AG told us that the first he knew about the data breach was when it became publicly known in July 2025. His audit director had been briefed at the time of auditing the 2023–24 accounts, that there was a secret matter that could not be shared, and it meant there was a data breach that had not been included in the governance statement in the accounts. There was no briefing of the NAO by the Department about the operational consequences of this, the number of people affected, or the likely cost.52 The audit director was told that they could not tell anybody at the NAO about the detail that they had been briefed with.53 46 Q 32 47 Q 36 48 C&AG’s Report, para 18 49 Q 32 50 Q 40 51 Letter from Ministry of Defence, 7 October 2025 52 Q 33 53 Q 35 14

From: Public Accounts Committee, 54th Report - Afghanistan Response Route (HC 1391), 14 November 2025

Government response

Latest Treasury Minutes progress report to the Committee of Public Accounts on the Fifty-fourth Report of Session 2024-26

The government responded to the whole report on 4 June 2026 (deadline 14 January 2026).

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Treasury minutes: Government response to the Committee of Public Accounts on the Fifty-fourth report from Session 2024-26

Published 19 January 2026.

Summary written by Accountability Index from the government's response. It is not the government's own words.

The government agrees with four of the Committee's recommendations, including six-monthly updates on ARR resettlement from March 2026, and disagrees with the recommendation on separately capturing ARR costs.

  • On updates, the government agrees to write to the Committee every six months from March 2026 until the ARR is complete, though it "may not always be possible to provide a precise breakdown by scheme".
  • On the case working system, it agrees, stating the recommendation is implemented and that DACS (introduced in May 2022) addressed "many of the vulnerabilities", with the department "equipped with the right tools to minimise the risk" of a recurrence.
  • On scrutiny, it agrees and gives a target date of Spring 2026. The Treasury will issue a Dear Accounting Officer letter on sharing information with the Comptroller and Auditor General in the event of a super-injunction.
  • It disagrees on separate ARR costing, saying this would be "disproportionately complex and resource intensive", and instead offers an indicative cost allocation at the end of each financial year, included with the six-monthly updates.

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