I've had two WordPress blogs hacked into previously. That was in a time when I was doing almost no internet marketing, and until I found time to handle the situation (weeks later), these sites were penalized in the major search engines. They were not eliminated the ratings were reduced.
WordPress is a system but applications has their own flaws and security holes are usually found on WP. This is why WP often releases updates. As soon as any vulnerability was found by them, they provide a new update and immediately make some changes . You need to comprehend the regions where these plug-ins work to help you protect your investment, if you wish to know more about the rename your login url to secure your wordpress website plugin.
Should the server of your site go down, everything you have worked for will go with this. You'll make no sales, get signups or no visitors to your website, until you get the website back up again and in short, you're out of business.
Recently, Full Article an unknown hacker murdered the blog of Reuters and posted a fake news article. Their reputation is already ruined because of what the hacker did since Reuters is a popular news website. Something similar may happen to you in the event you do not pay attention on the security of your WordPress blog.
Along with adding a secret key to your wp-config.php document, also consider changing your user password to something that's strong and unique. A good idea is to avoid phrases, use upper and lowercase letters, and include numbers, although wordPress will let you know the strength of your password. It's also a good idea to change your password frequently - say once every six months.
Free software: If you have installed scripts that are free like Wordpress, search Google for'wordpress security'. You will get many tips on how best to create your WP blog protected.