With new WordPress plugin you can improve your websites security by disabling a few insecure features. You can automatically hide the readme.html file, license.txt file, set permissions for wp-config.php and .htaccess file so that hackers cannot modify them.
6Scan Security is a comprehensive automatic protection for WordPress based websites can get against hackers.The security scanner goes beyond the rule-based protection of other WordPress security plugins, employing active penetration testing algorithms for finding security vulnerabilities in a WordPress install. Then it fixes them then all automatically before hackers can exploit them. The plugin provides you regular updates to ensures your protection is always airtight.
Here is an easy way of monitoring your WordPress site against hacking attacks. Every minute hacking bots attempts logging-in to your WordPress site and when they get successful in doing so, they edit your WordPress files (generally WordPress theme files) then add their Affiliate links and sometimes illegal and harmful programs.