§ Mr. David Atkinson
To ask the Secretary of State for Defence how many attempts by hackers to breach security in his Department's computers were detected in 1996 and 1997; and how many of these were successful. 
§ Mr. Spellar
A comprehensive security policy on connectivity to public data networks is enforced throughout the MOD. There is no evidence of a successful incursion, from an external source, into any Departmental72W computer system in the period 1996–1997. There has been one instance known to us of a failed attempt over this period.