[AI Cloud Security Company Upwind Raises $400 Million, Led by Bessemer Venture Partners] According to Bloomberg, AI cloud security company Upwind announced the completion of a $400 million funding round, led by Bessemer Venture Partners, with participation from existing investors including Greylock Partners and Craft Ventures. The funding values the company at $3.8 billion. Upwind primarily provides security protection for enterprise cloud infrastructure, detecting malware and suspicious activity. This year, it expanded its platform to address AI-related security risks. The new funds will be used for engineering research and development, as well as building its sales and marketing teams.