Definition
Endpoint detection and response EDR is a cybersecurity solution that continuously monitors endpoints like laptops and servers for malicious activity. It collects data on processes, network connections, and file system changes to identify threats. EDR systems then analyze this data using behavioral analytics and threat intelligence to detect and respond to security incidents in real time. This capability is crucial for organizations to quickly identify and neutralize threats before they cause significant damage. For instance, an EDR might detect a ransomware process attempting to encrypt files and automatically isolate the affected endpoint. Unlike traditional antivirus software which primarily focuses on known malware signatures, EDR offers more advanced threat hunting and incident investigation capabilities. You will encounter EDR concepts on certifications such as CompTIA Security+, CySA+, and CISSP.