The round was led by NightDragon, a dedicated cybersecurity, safety, security and privacy investment firm, with participation from Bluestone Equity Partners, and existing investors Caden Capital, Cota Capital, Tru Arrow Partners, and Uncorrelated Ventures. The round brings total funding raised to over $90 million.

Rhombus is an open, cloud-managed physical security platform that brings security cameras, access control, sensors, alarm monitoring, and integrations together under a single pane of glass. Rhombus is on a mission to make the world safer with simple, smart, and powerful physical security solutions.