Files can easily get lost if you don't have good protection on your site. A few of those files might be stored on your computer and easily replaceable, but what about the rest of them? If you lose the first time to them where will you get them out of again? Especially fix wordpress malware virus is vital. Long-term sites have a good deal of data and have made a number of files. Recreating that all are a nightmare, and not something any business owner wants click resources to do.
Should your site's server go down for will proceed with it. You'll make no sales, get no visitors or signups to your site, until you have the website back up 32, and in short, you are out of business.
1 thing you can take is to delete the default administrator account. This is important because if Go Here you do not do it, malicious user know a user name that they could try to crack.
What if you visit WP-Content/plugins, can you view that folder? If so, upload that blank Index.html file inside that folder as well so people can't see what plugins you might have. Because if your version of WordPress is current, if you're using other an old plugin or a plugin with a security hole, someone can use this to get access.
Keep in mind that the security of your blogs depend on how you handle them. Make certain that you follow these strategies to avoid hacks and exploits on your own blogs and websites.