I blames the bastard who stole the money. Not Cryptsy
Really? It seems they acted negligently in a way that is unacceptable. When dealing with clients funds, you need to do what you can to protect those funds.
As system admin i blame Cryptsy, i deal daily with hackers and if I do not protect the environment I lose my job, same applies for them. If you don't know to do your job do something else....