Cryptojacking

### Executive Summary: This document provides an overview of cryptojacking—unauthorized cryptocurrency mining—covering common attack methods (cloud cryptojacking via stolen API keys, malware-based delivery, and browser-based scripts), the operational and security impacts on organizations (performance degradation, increased costs, reduced hardware lifespan, and broader security exposure), and recommended defenses including endpoint security, cloud workload monitoring, risk-based vulnerability management, network/performance monitoring, user training, and managed detection and response.