Explanation
The purpose of the CyberArk Event Notification Engine service is to send email notifications about Privileged Access Security solution activities automatically to predefined users. It is installed automatically as part of the Vault server installation as a service. The Event Notification Engine (ENE) can be configured to send email notifications for various events, such as password changes, password verifications, account onboarding, account deletion, audit reports, alerts, and more. The ENE can also support encrypted and authenticated email notifications, as well as high availability implementations1. References:
* Event Notification Engine - CyberArk, section "Event Notification Engine"