Keep headers/logos under 125 pixels high. It takes up valuable viewing space, especially for laptop users, that is best left for the good stuff to appear"above the fold." Take a cue from the big companies, simple logos done well say it all. This is our #1 pet peeve - screaming logos and headers!
Cloning your website is another level in fix wordpress malware removal which can be very useful. Cloning simply means that you have backed up your website to a totally different place, (offline, as in a folder, in order to not have SEO issues ) where you can access it in a moment's notice if the need arises.
There are ways to pull off this, and many of them involve copying and FTPing files, exporting and re-establishing databases and more. Some of these are very complex, so it is important that you select the one that is right. If you're not of the persuasion, then you may want to look into using a plugin for WordPress backups.
Keep your WordPress Setup to date - One of the simplest and most valuable tasks you can do yourself is to make sure your WordPress installation is upgraded. WordPress provides you a notice in your dashboard, so there is really no reason to not do this.
You can also create a firewall that blocks hackers from infiltrating your own blogs. From coming into your files, the firewall prevents the hacker. You must have version of Apache. Upgrade your PHP as well. It is important that your system is full dig this of upgrades.
There are always going to be risks being online (or even just being alive!) And it's easy to get caught up in the fear. We put the breaks on, As soon as we get caught up in the fear. This isn't a good response. Take some common sense precautions, then forge ahead. It will need to be dealt with then, if something bad does happen and no amount of quaking in your boots before-hand will have helped. If nothing does, all is good and you haven't made yourself ill with worry.