I have had two WordPress blogs. That was at a time when I was doing almost no online marketing, and until I found time to deal with the situation (weeks later), these sites were penalized at the major search engines. They were not eliminated the ratings were reduced.
Since scare tactics appear to be what compels some people to take fix hacked wordpress a bit more seriously, or at least start considering the issue, allow me to shoot a scare tactics your way.
Truth is, there is actually no way to stop an intrusion, if your website is targeted by a master of the script. Everything you are about to read below are a few precautionary measures you can take to minimize the threat. If your WordPress site is well protected chances are a hacker would prefer choosing another.
For me it's a WordPress plugin. They are drop dead check out here easy to set up, have all the features you need for a task like this, and are relatively inexpensive, especially when compared to having to employ someone to have this done for you.
Black and whitelists pathological-looking phrases based on which area they appear inside, in a page request. (unknown/numeric parameters vs. known post bodies, remark bodies, etc.).
Don't use wp_ as a prefix for your own databases. Most web go to these guys hosting providers are currently Read Full Article eliminating that default but if yours does not, fix wp_ to anything but that.