I've seen this phrasing many times in the MSM. "Mishandling" information makes it seem like something unintentional, like fumbling a football. I prefer "intentionally exposed top secret information to people without security clearances, including states hostile to the United States."
Reckless endangerment I believe is what you’d be charged with drag racing etc for a pretty severe auto related infraction, is the best analogy I can come up with. What she did is actually worse, than that, you and I know that, I don’t know how we wake up John Q Public to the caliber of the “sin” she committed as it is understood by those who are in this arena.