From what I understand you got
forked due to bad code in your newest client - which was exploited (?).
I remember the days when Monero guys were joking about DRK's forks

Also, if you want to know the details:
the attacker found a small bug in the new 0.9 release that made it possible to create v2 blocks before the network was scheduled to do the planned hardfork.
Small? It can't be that "small" if an attacker can fork the network.
.
Do you see them? That fluffy. How you can trust such a guy?
Netanyahu would be proud of him.