Controllers in Drupal 8 are the equivalent of hook_menu in Drupal 7. A controller lets you define a URL and what content or data should appear at that URL. If you’re like me, limiting access to my controllers is sometimes an afterthought. Limiting access is important because it defines who can and can’t see a page.
Drupal 8 form and view modes seem very promising on the surface, but they're not always usable out-of-the-box. Moreover, they can be the less secure option when you're trying to protect your data or hide sensitive information. This blog post will cover how to hide and secure your information at the field level using
For many Drupal web sites setting permissions for anonymous, authenticated, and admin users through the GUI is sufficient. For example, all published content should be visible to all users, authenticated users can leave comments, and admin users are allowed to create content.