Wow, so much fail, so much f-up, so much word salad cover up.
https://www.ktva.com/story/39834995/state-sends-at-least-500000-letters-over-security-breach
The Trojan named in this article had been around since 2009, and they claim that "researchers" had yet to come up with a way to detect it for their virus scanner definitions. It as claims that there was almost no way that data was exfiltrated, but that's what this does.
Anyway, sorry, Alaskans, you're getting a "you've been breached" letter.