Steem Power was not affected from the hack because they are not liquid. Nobody loosed funds that they don't get back from steemit(steem SBD). Now there is an account recovery option available on steemit website... so as long you know your "old" keys you are good... even if hacked again (less possible now) It is more possible an exchange get goxxed than you loose your wallet's funds. Now it is not possible to log in with owner key, only with the active key or posting key... So worst thing that can happen is your posting or active key get hacked but that is not enough to steal your Steem Power since you will be able to change the keys again using your owner key before 1 week passes and the hacker has access to 1/104 of your total SP ;)