Guidance

Industrial security: departmental responsibilities

Guidance for departments and agencies on protecting classified information when working with contractors.

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Details

This guidance for government departments and agencies explains how to protect classified information that they provide to 鈥楲ist X鈥� contractors or which is generated by the contractor from contracts placed with them.

List X contractors are companies operating in the UK who are working on UK government contracts which require them to hold classified information. This information is at 鈥楽ecret鈥� or above or international partners information classified 鈥楥onfidential鈥� or above, and is held their own premises at a specific site.

Updates to this page

Published 1 April 2014
Last updated 15 May 2018 show all updates
  1. Attachment updated; May 2018 version added.

  2. First published.

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