Explanation:

https://learningnetwork.cisco.com/s/question/0D53i00000KsrhK/rsa-key

Endpoint protection platforms (EPP) prevent endpoint security threats like known and unknown malware.
Endpoint detection and response (EDR) solutions can detect and respond to threats that your EPP and other security tools did not catch.
EDR and EPP have similar goals but are designed to fulfill different purposes. EPP is designed to provide device-level protection by identifying malicious files, detecting potentially malicious activity, and providing tools for incident investigation and response.
The preventative nature of EPP complements proactive EDR. EPP acts as the first line of defense, filtering out attacks that can be detected by the organization's deployed security solutions. EDR acts as a second layer of protection, enabling security analysts to perform threat hunting and identify more subtle threats to the endpoint.
Effective endpoint defense requires a solution that integrates the capabilities of both EDR and EPP to provide protection against cyber threats without overwhelming an organization's security team.