It is a shame that the new DHS 72 hour reporting requirement was not in effect when this breach occurred, but it is
extremely evident why it is required. Regarding business classification, I don't think it's too difficult to argue that commercial identity providers are critical infra.
https://news.ycombinator.com/item?id=30699024
https://www.congress.gov/bill/117th-congress/house-bill/2471...