The fix malware problem Codex has an outline of what permissions are acceptable. Directory and file permissions can be changed through an FTP client or within the administrative page from the web host.
Well, we're talking about WordPress but what's the sense if your computer is in danger of hackers of this website doing security checks and upgrades. There are files which can encrypt key loggers. When this happens, regardless of what you do, they can access everything that you type on your computer. You can find a lot of good antivirus programs online. Just look for a antivirus program or ask experts about this.
You should also set the"Anyone Can Register" in Settings/General to away, and you ought to have some sort of spam plugin. Akismet is the one I use, the old standby, but there are lots of them nowadays.
Take note of your new password! I recommend the version of the software *Roboform* to remember your passwords.
Utilizing a plugin for WordPress security makes sense. Backups will need to be performed on a regular basis. Don't become a victim as a result of not being proactive about your site!