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

Posted Wednesday, October 28, 2026 8:00 am

Duncan Riley (via SiliconANGLE)

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 […]

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NEWS, Security, The-Latest, Top Story 4, AI agents, AI security, Amazon web services, Amiram Shachar, aws, AWS Security Hub, Bessemer Venture Partners, Canapi Ventures, Carvana, cloud security, Craft Ventures, Cyberstarts, DataDog, devops, funding, google, google cloud, Greylock Partners, Microsoft, microsoft azure, netapp, oracle, Oracle Cloud Infrastructure, Picture Capital, roku, runtime security, salesforce, Salesforce Ventures, Series C, Siemens, Spot, Upwind, Upwind Security

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

Keywords

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