SAN FRANCISCO, CA, Upwind, the runtime-first cloud security leader, announced that it has raised $250 million in Series B funding, bringing its total funding to $430 million. The round was led by Bessemer Venture Partners, with participation from Salesforce Ventures and Picture Capital. Existing investors include Greylock, Cyberstarts, Leaders Fund, Craft Ventures, TCV, Alta Park, Cerca Partners, Swish Ventures and Penny Jar Capital.