I think Nr Fairy hit it on the head. The adversary are merely trying to "get a food in the door", like the proverbial doorstop salesman. From there, they can seek out more weak links in the chain to get them closer to their goal.
I suspect that in these post-Wikileaks days, the importance of security of electronic government data has been further rammed down employees throats, especially in the US ! So I doubt there is any protectively marked information on Google servers.