Kenna Security, the enterprise leader in risk-based vulnerability management, announced today a $48 million series D funding round that adds Sorenson Capital and Citi Ventures as new investors. Ken Elefant, Managing Director of Sorenson Capital will join Kenna Security’s board of directors. The investment brings Kenna’s total raised to $98 million. Kenna’s existing investors, including Bessemer Venture Partners, U.S. Venture Partners, Costanoa Ventures, Hyde Park Angels, and OurCrowd, joined the funding round.