1. Introduction Symantec Endpoint Protection (SEP) 14.3 RU10 , released by Broadcom, represents a mature endpoint protection platform (EPP) incorporating signature-based antivirus, SONAR behavioral detection, advanced machine learning (AMSI), and optionally, network-based intrusion prevention (IPS). Understanding its system requirements is not merely a checklist—it dictates deployment success, operational stability, and security efficacy.