You can buy security plugins to your WordPress blog. There are security plugins out there that promises optimum security for your own blog. One is called secure your wordpress site Scan. This plugin continuously scans the system . It also updates the safety so that the system can not be penetrated by new hackers.
The approach, and the one I recommend, is to use one of the password creation and storage plugins available for your browser. I believe after a free trial period, you need to pay for it, although people like RoboForm. I use the free version of Lastpass, and I recommend it for those who use Firefox or Internet Explorer. That will generate secure passwords for you.
A snap to move - If, for some reason, you need to relocate your site, like a that site domain name change or a new hosting company, having your files at Get More Info your fingertips can save you oodles of time, headache, and the need for tech help.
You may extend the plugin features with premium plugins such as: Amazon S3 plugin, Members only plugin, DropShop etc.. So I think you can use it and this plugin is a fantastic option.
Whenever your website is new, you do think about needing security but you do have to protect yourself and your investment. Having a site go down and not having the ability to restore it quickly can mean a major loss of consumers who probably won't remember to look for your site again later and can not find you. Don't let this happen to you. Back up your site after you get it started, as the site is operational, and schedule regular backups for as long. This way, you'll have WordPress security and peace of mind.