I'd be moderately pissed off if I got stuck in a drill for 24h+ without knowing it was a drill, unless it was a known thing that drills would be run routinely. There is stuff I'd do for "real" (missing one-off personal events, etc.) which I wouldn't do for training. I'd skip out on a wedding (well, I always do anyway), funeral, etc. for a real security issue, but would quit the next day if I had done so for training…
I was one of the people involved here (the guy quoted as saying "which means that whoever discovered this is looking at our code"). As the article noted, they started the whole drill relatively early in the morning on a workday (a Wednesday, iirc, which are the days where we do not have meetings). About half an hour after we'd fixed the obvious problem and were starting to dig deeper, the guys organizing the whole th…
Where did they get the 0-day?