This service description (“Service Description”) outlines the Palo Alto Networks Unit 42® Managed Detection and Response Subscription (“MDR Subscription”). Palo Alto Networks Unit 42 MDR experts leverage Cortex XDR Pro to aggregate security telemetry from endpoints, network, cloud, and identity sources, and apply high-fidelity threat intelligence, next-generation behavioral indicators, and AI-powered analytics to prevent, detect, and respond to even the most advanced threats.