We can't really add much to Anime News Network's own statement on the subject, other than to offer our condolences, so we will let them do the talking:
"Last night, Anime News Network suffered a pretty major hack, one that took down our original domain (www.animenewsnetwork.com) and compromised our email domain — meaning that for the moment, you can't reach us through any animenewsnetwork.com email accounts. We're working on getting this fixed.
Further, AnimeNewsNetwork's domain was breached, but not our servers - your personal information is safe, however we always recommend changing passwords just in case.
Through this process, the hacker also compromised some of our Twitter accounts, like @anime and @animenewsnet as well as a handful of personal staff accounts like @ANN_Ed and @ANNZac. We're still working on cleaning all this up – it's a pretty involved process that may take some time, but for now we're live at AnimeNewsNetwork.cc. Please spread the word on social media, as this is our new (temporary) home for the time being! We'll be back with more updates as things progress – we apologize for the inconvenience, and shall rise again soon."
They have since posted an update to the story:
"Update: we've restored our @anime Twitter account but lost the account's followers - if you were following us before, you'll want to hit that button again."
We will let you know more as the story unfolds.