? I think the easiest way to construct a webshop is to use a CMS system. Since the CMS systems are systems. And these systems are simple to use and simple to customize. I advise you to choose WordPress. Why? So I can use any CMS system easily I'm a software programmer, but my clients can't use the majority of the CMS systems. My experience is my customers can learn WordPress in a period and it can be used by them easily. And you'll see at the end of this article WordPress is very user friendly.
By default, the latest version of WordPress is pretty darn secure. The development team of WordPress has considered anything that might have been added to some fix malware problems free plugins. Before, WordPress did have holes but most of them are stuffed up.
The one I recommend, and the approach, is to use one of the password generation and storage plugins available for your browser. People like RoboForm, but I think after a trial period, you have to pay for it. I use the free version of Lastpass, and I recommend it for those who use Internet Explorer or Firefox. That will generate secure passwords for you.
Keep your WordPress Installation up 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 on your dashboard, so there's really no reason to not do this.
Whitelists pathological-looking phrases and black based on which area they appear inside, in a page request. (unknown/numeric parameters vs. known article web bodies, comment bodies, etc.).
There is another problem you have with WordPress. People always know where they can login and they also could just visit with your login form and try a different combination of passwords and user accounts out. In order to prevent this from happening over here you need to install Login Lockdown. It's a plugin that only lets users attempt and login with a wrong password three times. After that the IP address will be banned from the look at here server for a certain amount of time.