Many people new to WordPress have yet to grasp how important it is that you create backups of your site regularly. This can and often will help WordPress website owners avoid the pain of getting your website disappear. Let's look at some ways to avoid this doomsday scenario!
The rename your login url to secure your wordpress website Codex has an outline of what permissions are acceptable. Directory and file permissions can be changed either via an FTP client or within the administrative page from your hosting company.
Do not depend on your internet host - Many people depend on their web host to"do all that technical stuff for me", not realizing that sometimesthey don't! Far better to have the responsibility lie rather than from your control.
In case you ever wish to More Help migrate Click Here your site elsewhere, such as a new web host, you'd have the ability to pull this off without a hitch, and also without having to disturb your old site until the new one was in place and ready to roll.
Can you view that folder what if you visit WP-Content/plugins? If so, upload that blank Index.html file into that folder as well so people can not view what plugins you might have. Someone can use this to get access because even if your version of WordPress is current, if you are using a plugin or an old plugin with a security hole.
Don't use wp_ as a prefix for your own databases. Web hosting providers are currently eliminating that default now but if yours does not, fix wp_ to anything else but that.