To ask the Secretary of State for Defence what recent assessment he has made of the feasibility of strengthening military systems against electromagnetic attacks; and what estimate he has made of the cost of undertaking such work. (323136)

It would not be in the interests of national security to provide information about specific vulnerabilities, assessments or protective measures relating to electromagnetic attack.

To ask the Secretary of State for Defence what assessment he has made of the effects on the critical infrastructure of his Department of an electromagnetic pulse strike caused (a) deliberately and (b) through solar activity. (321755)

Information about specific vulnerabilities, assessments or protective measures relating to electromagnetic pulse strike is being withheld for the purpose of safeguarding national security.