I back up my blogs frequently using a free plugin WP DB Backup. I can restore my website to the last settings if anything happens. I use my blog to be scanned by WP Security Scan plugin that is free frequently and asks that are suspicious-looking to be blocked by WordPress Firewall to secure your wordpress website.
Use strong passwords - Do her latest blog what you can to use a strong password, alpha-numeric, with upper and lower case and special characters. Easy to remember passwords are easy to guess!
First in line is creating a password for your account. Passwords must be made with special get more characters and numbers. You may combine them and make small plus altered letters. Smarter passwords can be your gateway to zero hackers. Make passwords that only you can consider.
Now we are getting into matters. Whenever you install WordPress, you need to edit the file config-sample.php and rename it to config.php. You need to install the database details there.
Of course it's possible to install plugins to make your shop like share buttons or backup plugin. That's all. Your store is up and running!