This past week another vulnerability for WordPress came out with a vengeance and broke a lot of blogs. If you blog is hacked it can be a royal P-I-A for you to be able to recover from it.
Update your blog regularly. Now that WordPress has a built in upgrade mechanism there is not as much to worry about anymore.
Read over at Sellsius about an agent who had her blog hacked and then had to recover.
OMG! My Site has been Hacked.
If you still are uncomfortable with backing up your site and then upgrading it. Give me a call and I can help.