Upwind secures $250M to accelerate runtime security for AI-driven cloud environments

Cloud security firm Upwind has secured $250 million in Series B funding, lifting total capital raised to $430 million, as enterprises rethink how they protect AI-heavy cloud environments. Led by Bessemer Venture Partners, the round underscores growing interest in runtime-based security models that prioritize real-time risk over static scans, amid rising cloud complexity and accelerating AI adoption.