Security plugins can be purchased by you to your WordPress blog. There are security plugins out there that guarantees security for your own blog. One is called fix wordpress malware scanner Scan. This plugin scans the system . Additionally, it updates the security so that hackers can't penetrate the system.
Everything you've worked for will go with it, should the server of your site return. You will make no sales, get signups or no visitors to your website, until you have the site back up again and in short, you're out of business.
Yes, you need to do regular backups of your site. I recommend at least a weekly database backup and a monthly "full" backup. More. Definitely if you make changes and additions to your website. If you make changes multiple times every day, or have a community of people which are in there all the time, a backup should be a minimum.
You can create a firewall that blocks hackers. From coming to your own files, the hacker is prevented by the firewall. You also have to have version of Apache. Upgrade your PHP. It's important that your system is full of upgrades.
When your site is new, you don't always think about needing security but you do need to protect your investment and yourself. Having a site go down and not being able to restore it quickly can mean a major loss of consumers Recommended Reading who can not find you and probably won't remember to look for your website again later. Don't let this happen to you. Back up your site after you get it started, as the site is operational, and schedule backups for as long. That way, you'll have WordPress security and peace of mind.