This white paper explains how Securonix Next-Gen SIEM uses a cloud-native architecture tightly integrated with AWS EMR to balance advanced threat detection, high performance, and cost control. It contrasts legacy appliance-based and cloud-hosted SIEMs, which struggle with scale and slow investigations, with a true SaaS model that dynamically scales compute and storage. By using AWS EMR auto-scaling, tiered cluster orchestration, and cost-efficient spot instances, Securonix delivers faster searches, elastic performance during peak demand, and lower infrastructure costs. The integration enables real-time search through Live Channel and fast hunting across 12+ months of historical data with Long-Term Search, improving detection of active and dormant threats without throttling. The result is r

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