GreyNoise Intelligence

GreyNoise Intelligence is a network-edge threat intelligence provider that analyzes internet-wide scanning and exploitation activity to help defenders separate targeted attacks from opportunistic background noise. Headquartered in Washington, DC, it operates a global network of passive sensors, the Global Observation Grid, which observes, classifies, and labels the IP addresses scanning and attacking the internet. The company sells to enterprise security operations teams and government agencies and is privately held, backed by CRV, Radian Capital, Stonemill Ventures, and Inner Loop Capital.