MAGIC Early Warning System (EWS) is a threat detection platform designed to harden an organization's existing security infrastructure against targeted and advanced persistent attacks. Instead of relying on third-party threat intelligence, MAGIC EWS uses the organization's own prevention technologies — including email security, web security, and anti-malware — as the source of threat intelligence. It continuously and automatically analyzes malware from attacks that were stopped by these technologies. The system identifies malware campaigns that are persistent, multi-pronged, and escalating by leveraging code reuse patterns across malware samples. It tracks threat actors by correlating shared code between malware families used across multiple campaigns. MAGIC EWS automatically generates YARA rules from shared malware code segments and queries threat exchanges to retrieve associated Indicators of Compromise (IoCs). The resulting YARA rules and IoCs are fed into the organization's intrusion detection and breach detection technologies to strengthen their detection capabilities with more relevant and contextual intelligence. The platform is positioned as a force multiplier for existing security investments, automating the malware analysis tasks typically required for threat hunting and incident response, reducing the manual effort needed by security teams.