What is Data Exfiltration and How to Prevent It

This report outlines the growing threat of data exfiltration, describing common attack methods (malware, phishing, malicious insiders, and exploited endpoints), the business consequences of data loss, and six recommended defenses: continuous monitoring, endpoint protection/EDR, third‑party risk monitoring, data loss prevention (DLP), employee phishing training, and ongoing security assessments—concluding with a pitch for SecurityScorecard’s platform and managed services to help detect and prevent exfiltration.