The Ethereum Foundation has published its statement and a description of the solution.
In summary, a hardfork will retrieve all stolen funds from the attacker. If you have purchased DAO tokens, you will be transferred to a smart contract where you can only retrieve funds. Since no money in the DAO was ever spent, nothing was lost.
https://blog.slock.it/dao-security-advisory-live-updates-2a0a42a2d07b#.hh53inemv
No money perhaps, but what about reputation Etherium?
What does all this mean?? Could this ever happen to Steem?
Oops, I'm a poet and don't know it :-)