Not really. If someone was hacking you, odds are you'd never know it. What's the point of letting you know they have your info. Odds are also much greater they can get all that data somewhere else that's a lot easier to hack.
Not saying it's not possible, there are a lot of "script kiddies" out there running hacking scripts they've downloaded, that have no idea how to run them correctly. This sounds more like a normal maintenance cycle or software update (over the weekend typically) that went awry.
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