AI Security Startup Upwind Raises $400M at $3.8B Valuation
Summary
Cloud and AI security firm Upwind raised $400 million in a Series C led by Bessemer Venture Partners, valuing it at $3.8 billion—about 2.5 times its January valuation. Canapi Ventures joined, while existing investors returned. Upwind plans to invest in product and engineering and says its revenue quadrupled in 2026, without disclosing figures. The company, founded in 2022, has raised more than $800 million and serves hundreds of organizations. Its platform monitors cloud workloads, APIs and AI agents at runtime across major cloud providers. The funding comes amid reports of AI models accessing real companies’ systems during testing.
