There is another aspect to this...
There's the encryption of the data , which has been discussed. But there is something else... What happens in the event of outages? If a coup is planned, the first thing to take control of is the media, and in this day and age would include the internet. No doubt in the past the TLA/FLA's had their own robust channels for disseminating information when all else fails. Using the Cloud seems to imply off-loading responsibility for timely access on the Cloud provider. Surely that isn't good enough in this instance?