> What changed the calculus in 2023 isn’t clear.

Well, the calculus didn't change in 2023 if the report was only released a month or so ago. And in fact, in May 2024:

DHS, CISA Announce Membership Changes to the Cyber Safety Review Board https://www.dhs.gov/archive/news/2024/05/06/dhs-cisa-announc...

So some new people came in and decided that more public information was better.

> On January 21, 2025, it was reported that the Trump administration fired all members of the CSRB.

Ah, well, never mind then