Tenable acquired the industrial cybersecurity firm Indegy in a $78 million cash deal.

Tenable’s CEO Amit Yoran said the deal interested his firm as bringing in Indegy’s technology and expertise will allow Tenable to deliver  a unified, risk-based view of IT and operational technology security.

“This is a game changer that will help transform how security and the C-suite make strategic decisions around OT risk. This acquisition is a critical milestone in delivering on our Cyber Exposure strategy to help organizations understand and reduce cyber risk across the entire modern attack surface,” Yoran said.