You can purchase security plugins . There are many security plugins out there that promises security for your own blog. One is called fix wordpress malware fix Scan. This plugin continuously scans the system for enhancing the safety. It also updates the security so that hackers cannot penetrate the system.
An easy way would be to use a few built-in tools. First of all, don't allow people to list the documents in your folders, run a web host security scan and automatically backup your web hosting account.
This is quite useful plugin, protecting you against brute-force password-crack strikes. It keeps track of the IP address of every failed Website login attempt. You can configure the plugin to disable login attempts when a certain number my latest blog post of attempts is reached.
Black and whitelists phrases based on which area they appear inside, in a page request. (unknown/numeric parameters vs. known article bodies, comment bodies, etc.).
However, I recommend that you set up the Login LockDown plugin instead of any.htaccess controls. From being allowed after three unsuccessful login attempts from a certain IP address for an hour login requests will stop. You may access your panel while away from your office, and yet you still have protection against hackers, if you do that.