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!
Install the fix wordpress malware fix Firewall Plugin. Stop and this plugin investigates net requests with WordPress-particular heuristics that are simple to identify attacks that are obvious.
Basically, it all will start with the fundamentals. Try using complex passwords. Use special characters, numbers, letters, and spaces and combine them to make a password that is special. You can also use usernames that aren't obvious.
This is quite handy plugin, protecting you against try this website brute-force password-crack attacks. It keeps track of the IP address of every login attempt. You can configure the plugin to disable login attempts when a certain number of failed attempts is reached.
Make a note of your password! I recommend the paid or free version of the secure software *Roboform* to remember your passwords.
Of course you can install more plugins to make your shop more user-friendly like automatic backup plugin or share buttons. That's all. Your store is up and running!