If your blog is hosted on WordPress, you might want to take a moment to read this repost, and follow the directions. Getting hacked, losing (possibly years of) material, and becoming part of a super botnet is probably not on your “To Do” list.
WordPress Under Attack: How To Avoid The Coming Botnet – Forbes.
Follow up: Made the changes suggested. Easy to do, thanks to Anthony Kosner’s instructions. Also got “Google Authenticator” at the same time ~ a groovy little app that works for two step authentication.