

It’s the tls certificate that proves your website is legit. Without which, you can potentially be a malicious actor that can pose as the website, and when you download the iso, you could unknowingly download something malicious. It’s pretty hard to forget certificate renewal (most of the time there are plenty of reminders sent and warnings given), so the fact that it happened twice was very impressively bad.

Given the state of a lot of the summaries I’ve seen lately, that is scary.