The clean hacked wordpress site Codex has an outline of what permissions are acceptable. File and directory permissions can be changed through an FTP client or within the page from the hosting company.
Well, we are actually talking about WordPress but what is the feeling if your computer is in danger of hackers of performing security checks and upgrades. There are malicious files which can encrypt key loggers on your PC. Regardless of what you do, they can easily access everything that you type on your computer when this occurs. You can find a good deal of antivirus programs on the Internet. Just search for a antivirus program or ask experts about this.
You should also set the"Anyone Can Register" in Settings/General to off, and you should have some sort of spam plugin. Akismet is the old standby, the one I use, but there are many of them nowadays.
Can you view that folder, what if you visit WP-Content/plugins? If so, upload that blank Index.html file inside that folder as well so people can't see what plugins you have. Because if your version of WordPress is current, if you are using a plugin or an old learn the facts here now plugin using a security hole, then someone can use this Going Here to get access.
Implementing all of the above will take less than an hour to complete, while making your WordPress website more resistant to intrusions. Over 1 million WordPress sites were last year, largely due to preventable safety gaps. Have yourself prepared and you are likely to be on the safe side.