Cloud security startup Upwind raises $400M at $3.8B valuation as revenue quadruples

SiliconANGLEOctober 28, 2026en

Cloud and artificial intelligence security startup Upwind Security Inc. today revealed that it has raised $400 million in new funding at a valuation of $3.8 billion. Reports in early September had the round at $300 million. By the time it closed, Upwind had taken in an additional $100 million, and the company used the announcement […] The post Cloud security startup Upwind raises $400M at $3.8B valuation as revenue quadruples appeared first on SiliconANGLE .

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