The repair 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.
You can look. If your website is abruptly hacked by hackers, internet it is easy this content to restore your site by means of your backup files and change everything that must be changed.
Maintain control of your assets that are online - Nothing is worse than having your livelihood in the hands of somebody else. Why take chances with something as important as your website?
What's the best way? Out of all of the possible choices that are available right now, which one is appropriate for you personally and which path should you choose?
Don't use wp_ as a prefix for your databases. That default is weblink being eliminated by web hosting providers now but if yours does not, adjust wp_ to anything but that.