Written question asked by David Reed (Conservative) on Wednesday, 2 September 2026, in the House of Commons. It was due for an answer on Wednesday, 9 September 2026 (named day). It was answered by Louise Sandher-Jones (Labour) on Wednesday, 9 September 2026 on behalf of the Ministry of Defence.

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Defence: Cybercrime

Question

To ask the Secretary of State for Defence, with reference to page 50 of the Defence Investment Plan, published on 30 June 2026, how many of the over 90,000 annual cyber attacks on Defence systems were assessed as (a) serious and (b) successful in the 12 months to September 2026.

Answer

Due to operational sensitivities, I am unable to provide a breakdown of the serious and successful cyber-attacks on UK Defence Systems over the last 12 months.

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Secondary information

Type

Written question

Reference

26830

Session

2026-27

Subjects

Defence Cybercrime

Contains statistics

Yes

Link

View this Written question on www.parliament.uk