Namespace Cake\Controller\Exception

AuthSecurityException

Auth Security exception - used when SecurityComponent detects any issue with the current request
MissingActionException

Missing Action exception - used when a controller action cannot be found, or when the controller's isAction() method returns false.
MissingComponentException

Used when a component cannot be found.
SecurityException

Security exception - used when SecurityComponent detects any issue with the current request

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https://api.cakephp.org/3.4/namespace-Cake.Controller.Exception.html