First thing which platform should I choose? I believe the easiest way to build a webshop is to use a CMS system. Because the CMS systems are systems that are well-tested and popular. And these systems are easy to use and easy to customize. I advise you to choose WordPress. Why? My customers can't use the majority of the CMS systems, although I'm a software programmer, so I can use any CMS system easily. My experience is my clients can learn WordPress in a time and it can be used by them easily without my help. And you'll see at the end of the article.
Install the Continued clean hacked wordpress site Firewall Plugin. This plugin investigates net requests with simple heuristics to identify and quit attacks that are obvious.
I protect an access to important files on the site's server by putting an index.html file in the particular directory, that hides the files from public view.
Exploit Scanner goes in search of anything suspicious through the files on your site comment database and post tables. You are also notified by it for plugin names that are odd. It does not remove anything, it simply warns you.
Make a note of your new password! I suggest the version of the software *Roboform* to remember your passwords.
The plugin should be updated play nice with your other plugins, to remain current with the latest WordPress release and have WordPress and restore capabilities. The ability to clone your site (in addition to regular backups) can be useful if you ever want to do an offline site redesign, among other things.