You seem to have a good degree of knowledge but just to be certain:
You do understand that the wire shielding is very short of what is used for critical equipment. That is generally done with six sided solid steel plate that has been continously welded pin-hole free with wave-guide and baffles at every single penetration.
I used to design for the F-18 and Joint Stars radar aircraft, and designed radiation-hard modules for spy sats, and I've never seen that.
What application was this 6-sided waveguide shielding in?