The secure your wordpress site Codex has an outline of what permissions are okay. Directory and file permissions can be changed via an FTP client or within the administrative page from the web host.
Well, we are talking about WordPress but what is the sense if your computer is in danger of hackers of doing security checks and upgrades. There are files which can encrypt key loggers. When this occurs they can access everything that you type on your computer. You can find a good deal of antivirus programs that are good on the Internet. Search for a credible antivirus program or ask experts.
Maintain control of your assets - Nothing is worse than having your livelihood in the hands of someone else. Why take chances with something as important as your website?
Now we are Recommended Site getting into things. You must rename it to config.php and alter the document config-sample.php, when you install WordPress. You need to browse around this site deploy the database facts there.
Oh . And by the way, I was talking about plugins. Make sure it's a secure one, when you get a plugin. Don't install any plugin because the owner is saying that plugin can allow you to do that or this. Use get a software engineer to examine it, or perhaps a test blog to look at the plugin. This way is not a threat for you or your organization.