There are millions of blogs. Money is being made by some of us through it and some do not. Many of the bloggers use WordPress at the moment. You need to be sure that your blog is protected.
By default, the newest version of WordPress is pretty darn secure. Anything which may have been added to some how to fix hacked wordpress plugins has been considered by the development team of WordPress . In the past , WordPress did have holes but now most of them are stuffed up.
I might find it a little more difficult to crack your password, if you're among the ones that are proactive. But if you're among those ones, I might get you.
Keep your WordPress Installation up to date - One of the easiest and most valuable tasks you can do yourself is to ensure that your WordPress installation is updated. WordPress provides a notice in your dashboard to you, so there's really no reason.
Another step to take to make WordPress more secure is to upgrade WordPress to the latest version. The main reason behind this is that there also come fixes for security holes making it essential to upgrade early.
Do your homework and some hunting, but this link if you're pressed for time and need to get this important site try out the WordPress safety plugin that I use. It is a relief to know that my site (and business!) are secure.