Is that Thames House, from the context.
"... called NICE. They are responsible for advising government and countering the threat posed by attacks on communication information structures and services used by HMG in British interests. We are led to believe that this group already has contact at the appropriate level with the telephone companies and will be the best route by which to proceed initially. We can and will instigate this contact."
Do you know whether that was done by Tim Warren's unit?