The three month rebuild estimate is pure horse sh!t.
They have three months’ worth (millions probably) of purgatory accounts to reconcile (those accounts that were ‘set’ with proper information but locked out because of faulty security protocols leaving ‘new account holders’ with no access to modify, choose, or delete to start anew).
If the website is as poorly designed as they say, it will take years to fix it.
The agency that I work at implemented a system to account for assets from failed banks. It works fairly well, but every quarter there are upgrades to make it better. I doubt that more than 100 users on the system at one time.
I'm no computer expert, but there's no doubt the contractor sold the Obama Administration a bill of goods that's great for the contractor's shareholders, at the expense of the US taxpayer.