The new funding round was led by U.S. Venture Partners, with additional investment from Bess Ventures, Citi Ventures, Stanford University, World Trade Ventures, and angel investors.

Founded in 2016, the Rockville, Maryland-based firm provides physical layer-based asset risk management capabilities, helping organizations deal with known and shadow IT assets at any scale.

Basically, Sepio helps businesses identify rogue devices connected to their corporate networks, including mice, keyboards, or other USB-connected devices, which may open the door to cyberattacks by state-sponsored and criminal adversaries.