**Endpoint Detection and Response (EDR)**, also referred to as endpoint detection and threat response (EDTR), is an endpoint security solution that continuously monitors end-user devices to detect and respond to cyber threats like ransomware and malware.^[[What is EDR? Endpoint Detection & Response Defined (crowdstrike.com)](https://www.crowdstrike.com/cybersecurity-101/endpoint-security/endpoint-detection-and-response-edr/)]