Well I think it was not an inside Job. Why would they pay back all the money if it was?
But by the looks of it, Matjaz Skorjanc isn't that good at his job or the hack would have never happened :)
https://steemit.com/nicehash/@mad-cat/nicehash-will-pay-stolen-btc-back-they-say
Well that’s good news! You say something there!