Mr Oliver Robbins, Deputy National Security Adviser for Intelligence, Security and Resilience in the Cabinet Office, indicates in his first witness statement (paragraph 6) that the encrypted data contained in the external hard drive taken from the claimant contains approximately 58,000 highly classified UK intelligence documents. Many are classified SECRET or TOP SECRET. Mr Robbins states that release or compromise of such data would be likely to cause very great damage to security interests and possible loss of life.