Installing the how to fix hacked wordpress site Scan plugin will check all this for you, and alert you that you might have missed. It will also tell you that a user named"admin" exists. That is your administrative user name. You can follow a link and find instructions for changing that name, if you wish. I think that a strong password is good enough security, and there have been no attacks on the several blogs that I run since I followed those steps.
You can look for software that will backup your files and database. If hackers suddenly hack your site, you can easily restore your website by means of your files and change everything that has to be changed.
Yes, you want to do regular backups of your site. I recommend at least a weekly database backup and a monthly "full" backup. More, if read review at all possible. Definitely, if you make changes and regular additions to your site. If you have a community of people that are in there all the time, or Click This Link make changes multiple times a day, a backup should be a minimum.
You could get an SSL Encyption Security to your WordPress blogs. The SSL Security makes secure and encrypted communications with your blog. So that all transactions are listed, you can even keep the all the cookies and history of communication. Make sure that all your blogs get SSL security for protection from hackers.
These are some. Thing is that they don't require much time to do. These are also simple options, which can be carried out easily.