Be proactive, defend your Wordpress
Is WordPress insecure? No, it’s not. It is being constantly updated and fixed. Besides this, the majority of WordPress hackers aren’t from WordPress itself. Maybe WordPress surroundings are insecure?
Be reactive, clean your Wordpress
In order to protect your WordPress sites, you are probably using different security plugins or techniques; there are also simple “hygiene” practices, and some more advanced techniques as explained in this article here.