You can buy security plugins to your WordPress blog. There are security plugins out there that guarantees optimum security for your own blog. One is called secure your wordpress website Scan. The system is continuously scanned by this plugin . It also updates the security that hackers can't penetrate the system.
The one I recommend, and go to this website the approach, is to use one of the creation and storage plugins available on your browser. RoboForm is liked by people, but I think after a free trial period, you have to pay for it. I use the free version of Lastpass, and I recommend it for those of you who use Internet Explorer or Firefox. That will generate secure passwords for you.
Recently, the site of Reuters was hacked by an unknown hacker and published a fake news article. Their reputation is ruined due to what the hacker did since Reuters is a popular news website. In the event you do not pay attention use this link on the safety of your WordPress 20, the same thing may happen to you.
You can also create a firewall that blocks hackers. From coming to your own files, the hacker is prevented by the firewall. You must have version of Apache. Upgrade your PHP. It is important that your system is always filled with upgrades.
Those are three directory simple things you can do to keep WordPress secure without plugins. Put a blank Index.html file in your folders, run your web host security scan and backup your entire account.