Depthfirst, an applied AI lab on a mission to secure the world's software, announced its $80M Series B round, led by Meritech Capital. With participation from Forerunner Ventures and The House Fund, and existing investors, including Accel, Box Group, Liquid 2 Ventures, Alt Capital, and Mantis VC. This new funding, announced less than 90-days after the company emerged from stealth with $40M in Series A funding, brings depthfirst's total capital raised to $120M