Ministry of Defence written question – answered at on 15 January 2026.
Jon Trickett
Labour, Normanton and Hemsworth
To ask the Secretary of State for Defence, what steps he is taking to ensure that data analysed by Palantir is protected from access by foreign governments.
Luke Pollard
The Minister of State, Ministry of Defence
All data used and developed in Palantir's software deployed across the Ministry of Defence (MOD) will remain under the ownership of the MOD. The MOD has put in place extensive data security and protection measures to ensure UK Defence information is appropriately managed. UK Defence Data used and developed in Palantir's software remains sovereign and under the control of the MOD. We have clear contractual controls in place to ensure this as well as control over the data system that Palantir software sits upon. Any change from this cannot be conducted without consent from the MOD. All data will remain sovereign, freely available across the MOD to be exploited wherever it is needed, including the broader supply chain, and technical ecosystem.
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Secretary of State was originally the title given to the two officials who conducted the Royal Correspondence under Elizabeth I. Now it is the title held by some of the more important Government Ministers, for example the Secretary of State for Foreign Affairs.