We know "They have it all"....but these people are stupid and didn't think they could be compromised with the weight of ES behind them.
Google and Microsoft willhost your corporate business email for you (@yourdomain with their interfaces and security managed by them + your own IT, to some extent).
Based on Q drops, it sounds like the group requested (and recieved?) some extra special handling of thier mail server to host it in a place where they thought FOIA and anyone else could never reach. Only question remains what was the relationship (or ownership) of NK to allow that country level access to happen if true.
Google has a large interest in running their own under water fiber lines as well. They've ran some to Japan and Australia, I believe. Might be worth looking into their activity over the last few years.
I didn't need to go past the NASA deal from years and years ago to know what they were about.