The fix wordpress malware scanner Codex has an outline of what permissions are acceptable. File and directory permissions can be changed either through an FTP client or within the page from your hosting company.
Is also important. You need to backup database and all the files you see here can bring your own site back like nothing happened.
Recently, the site posted a fake news article and of Reuters was hacked by an unknown hacker. Their reputation is already destroyed because of what the hacker did, since Reuters is a news site. If you don't pay attention on the safety of your WordPress have a peek at this website 20, Something similar may happen to you.
Upgrade today if you aren't running the latest version of WordPress. Like maintaining your door unlocked when click for source you leave for vacation, leaving your website in an old version is.
These are three things you can do to maintain WordPress safe without plugins. Set a blank Index.html file in your folders, run your web host security scan and backup your whole account.