First thing that platform should I choose? I think the most easy way to build a webshop is to use a CMS system. Systems are very popular and well-tested systems. And these systems are simple to use and easy to customize. I advise you to choose WordPress. Why? So I will use any CMS system easily, I'm a software programmer, but my customers can't use most of the CMS systems. My experience is my customers can learn WordPress in a short period and they can use it easily without my aid. And you will see at the end of this article WordPress is very user friendly.
By default, the latest version of WordPress is pretty secure. The development team of WordPress has considered anything that might have been added to any secure your wordpress site plugins. In the past , WordPress did have holes but most of them are stuffed up.
Protect your login credentials - Do not keep your login credentials where a hacker might find them. Store them off, and even offline. Roboform is very good for protecting them, too. Food for thought!
Luckily, keeping your WordPress site up-to-date is one of the simplest things you can do. For the last few versions, WordPress has included the ability to install updates. A new upgrade becomes available.
Make a note of your new password to the next time you sign in! I recommend the paid or free version of the secure software *Roboform* to remember your passwords.
Do your homework and some searching, but this link if you're pressed for time and need to get this try out the WordPress security plugin that I use. It's a relief to know that my site (and business!) are secure.