AWS user here. They offer a separate plan and infrastructure for governments and companies that handle government data. One assumes they employ trustworthy people, and pay them well: as we know a data leak is just a single disgruntled or underpaid employee.

Yes, it is likely secondary copies exist of the database. My clients create those all the time for a variety of purposes. And those copies should be handled with the same strictness and diligence as the original.

What I wonder is where these senators were when Musk let a team of hackers hack the central government…