Nicely written and explained article Tapas. I really liked the way you bring across all the knowledge. Coincidentally i also happen to be from same niche and i have covered some of the major security threats focusing on Wordpress which is a widely used CMS and most prone to hack attacks. You may find my in depth security guides on various types of hacks on my WP Hacked Help blog. WordPress Website Hacking & Prevention 2021 – A How To Guide