Learn to check if your WooCommerce plugin is activated or not before you run your custom snippet.

Secure WordPress Config file with .htaccess
Learn to Secure wp-config.php file with .htaccess configuration file.
Implement Time Based Captcha on Login Form
Learn to Add Simple Captcha Solution for your WordPress site.
Simple Captcha Feature on WP Login Form
Learn to add Simple Captcha Security on WordPress Log In form.
Limit Access to the WordPress Dashboard
Allow only Administrators of your site to access the admin panel.