The fix wordpress malware fix Codex has an outline of what permissions are acceptable. File and directory permissions can be changed via an FTP client or within the page from the web host.
Hackers do not have the power once you got these lined up for your own security to come to your WordPress blog. You can have a secure WordPress account which provides you big bucks from affiliate marketing.
This is quite handy plugin, protecting you against brute-force attacks that are password-crack. It keeps track of the IP address of every login attempt. You can configure the plugin to disable login attempts when a certain number of failed attempts is reached.
Take note of your password for the next time you sign in! click here to find out more I recommend the paid or free version of the software that is secure *Roboform* to look at this site remember your passwords.
Don't use wp_. Web hosting providers are removing that default but if yours does not, adjust wp_ to anything else but that.