Installing the fix wordpress malware virus Scan plugin will check most of this for you, and alert you that you may have missed. It will also tell you that a user named"admin" exists. Of course, that is your user name. If you desire you can follow a link and find directions for changing that title. I believe that there is a password good enough protection, and because I followed those steps, there have been no attacks on the several blogs that I run.
Is also significant. You need to backup database and all the files you can easily bring your own blog back like nothing happened.
Yes, you need to do regular backups of your site. I recommend at least a weekly database backup and a monthly "full" backup. More, if at all possible. Definitely if you make additions and changes to your site. If you have a community of people that are in there all the time, or make changes multiple times every day, a daily backup should be a minimum.
Install the WordPress Firewall helpful hints Plugin. This plugin investigates web requests to recognize and prevent attacks.
Whenever your site is new, you do not always consider needing security but you do have to protect yourself and your investment. Having a site go down and not being able to restore it quickly can mean a Continued big loss of consumers who can not find you and probably won't remember to search for your website later. Don't let this happen to you. look at this website Back up your site after you get it started, and schedule backups for as long as the site is operational. This way, you'll have peace and WordPress security of mind.