But how can you keep your asset stored on an exchange and you’re not checking it steady to know what’s up with them? That’s some kind of risk you took there, you really have to be very careful, because exchanges are not really that safe and if you are not careful you can lose your money or they can get hacked and your money is gone. You supposed to be storing in hardware and offline wallets as you’re doing now.
As for the question you asked about the hacker not moving the funds immediately, I guess maybe he thought he has gotten full access to the account and felt he should keep it for now and withdraw the money later, since prices are going up? I’m just guessing though, but it’s good that you got your money out before stories that touch.