Censys

Censys is an internet intelligence company that maintains a continuously updated map of global internet infrastructure, built from its own internet-wide scanning and certificate data. Its products help security teams discover external assets, manage exposures, and investigate adversary infrastructure, and it serves enterprises and government agencies, with organizations representing over 50 percent of the Fortune 500 among its customers. The company grew out of University of Michigan research that released the ZMap scanner in 2013 and was incorporated in 2017. Censys holds SOC 2 Type II certification and was named among providers in Forrester's External Threat Intelligence Service Providers Landscape, Q1 2025.