New York-based startup Fireglass, a network security service for enterprises, announced today that it had closed a $20 million funding round led by Norwest Venture Partners and Lightspeed Venture Partners.

The startup said that it will use the series A investment to expand research and further develop its product.

Mickey Boodaei, cofounder of Imperva and Trusteer, and Rakesh Loonkar, cofounder of Trusteer, also joined Fireglass' round.