I have had two WordPress blogs. That was in a time when I was doing almost no internet advertising, and until I found time to handle the situation (weeks later), these sites were penalized in the main search engines. They were not eliminated, however the evaluations were reduced.
Install the fix malware problems free Firewall Plugin. This plugin investigates net requests with heuristics that are simple to identify and quit obvious attacks.
Hackers do not have the capability when you got all these lined up for your own security to come to your WordPress blog. You definitely can have a about his WordPress account which gives you big bucks from affiliate marketing.
You also need to place the"Anyone Can Register" in Settings/General to away, and you should have some sort of spam plugin. Akismet is the one I use, the old standby, but there are many of them these days.
As I (our untrue Joe the Hacker) understand, people have way too many usernames and passwords to remember. You've got Twitter, Facebook, your online banking, LinkedIn, two blog logins, FTP, internet hosting, etc. accounts that all come with logins and passwords you will need to remember.
Of course you can install plugins to make your shop more user-friendly like share buttons or backup plugin. That's all. Your shop is now up and running!