depthfirst, an applied AI lab focused on software security, has raised $80 million in a Series B round. The round was led by Meritech Capital, with participation from Forerunner Ventures and The House Fund, alongside existing backers including Accel, Box Group, Liquid 2 Ventures, Alt Capital, and Mantis VC. The new capital brings the company's total funding to $120 million. What makes the timing n...