The difference between reactive and proactive cybersecurity measures lies in their approach to threats. Reactive cybersecurity involves responding to incidents after they occur, typically through investigations and remediation processes. In contrast, proactive cybersecurity focuses on preventing incidents by identifying vulnerabilities, conducting regular assessments, and implementing robust security measures before threats emerge. By adopting a proactive stance, organizations can minimize risks, strengthen their security posture, and mitigate potential damages resulting from cyber threats.