
He helped build Tenable by asking where networks could fail. With Cyndi Gula, he is now putting money, mentoring, and a little comedy into the people expected to defend them.
Nessus made Tenable famous for finding weaknesses. Tenable One is the nearly $1 billion-revenue company’s bet that the real product is judgment: connecting IT, cloud, identity, OT and AI risk, then showing an overworked security team what to fix first.