We have over 80% of our Bitcoins in offline wallets at the moment before the attack. We had to keep a large balance because the withdrawals are huge!
use mtgox code for any withdrawals above 500 btc /24h
The hacker almost gained access to our Mt. Gox API keys, before I revoke them!
He could get 30,000+ BTC easily if I was asleep, or busy.