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 site is just another level in fix wordpress malware plugin which may be useful. Cloning simply means that you have backed up your website to a totally different place, (offline, as in a folder, so as not to have SEO problems) where you can access it at a moment's notice if the need arises.
This is fantastic news as it means that there is a strong community of developers and users that could further improve the platform. Whenever there's a significant group of people attempting to achieve something, there will always here be people who will attempt to take down them.
It's a WordPress plugin. They're drop dead easy to set up, have all the features you need for a task like this, and are relatively inexpensive, especially when compared to having to employ someone to get this done for you.
Now we are getting into matters specific to WordPress. You have read more to rename it to config.php and alter the file config-sample.php, when you install WordPress. You will need to set up the database facts there.
Free software: If you have installed scripts search Google for'wordpress security'. You'll get tips.