Insight Partners and General Atlantic, two private equity firms, led a $543m Series A funding round in Transmit Security, a designer and developer of security software. The round had participation from investors Cyberstarts, Geodesic, SYN Ventures, Vintage and Artisanal Ventures. “We have been watching the growth of Transmit Security for some time, and are deeply impressed by the leadership and passion Mickey and Rakesh have demonstrated as they take identity management to a new level. Their groundbreaking technology, entrepreneurial spirit and deep expertise is precisely what this industry needs at this moment," Matt Gatto, Insight Partners Managing Director.