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Upwind Security raises $400 million at $3.8 billion valuation

San Francisco-based cybersecurity startup Upwind Security has secured $400 million in a new funding round led by Bessemer Venture Partners, lifting its valuation to $3.8 billion as revenue quadruples.

A smartphone screen displaying the Upwind company logo above a Quartz graphic headline about the startup raising $400 million.
Image: @qz

Upwind Security, a San Francisco-based startup developing cybersecurity for artificial intelligence and cloud applications, has secured $400 million in a new financing round that values the company at $3.8 billion, according to Bloomberg reporter Marissa Newman. The round was led by Bessemer Venture Partners and brings Upwind's total capital raised to $830 million.[1][3][5]

The valuation more than doubles the startup's $1.5 billion mark recorded in January. The rapid growth comes as Upwind's revenue quadrupled, according to SiliconANGLE, alongside rising demand for defense tools as Quartz reported that AI advancements have dropped the cost of mounting cyberattacks to near zero.[1][2][4][5]

Key facts

  • Upwind Security raised $400 million in fresh funding led by Bessemer Venture Partners.
  • The financing round values Upwind Security at $3.8 billion, up from $1.5 billion in January.
  • The round brings the startup's total funding to $830 million.
  • Upwind Security is based in San Francisco and provides cybersecurity software for AI and cloud applications.
  • Upwind's revenue has quadrupled.

Sources · 5 sources

  1. TE

    Techmeme@TechmemePost on X ·

    AI and cloud cybersecurity startup Upwind Security raised $400M led by Bessemer at a $3.8B valuation, up from $1.5B in January, for $830M in total funding (@marissalnew / Bloomberg) (Visit Techmeme dot com for the link and full context!)

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  2. SI

    SiliconANGLE@SiliconANGLEPost on X ·

    Cloud security startup Upwind raises $400M at $3.8B valuation as revenue quadruples https://t.co/bVXucwWkDN

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  3. BL

    Bloomberg@businessPost on X ·

    Upwind Security, a San Francisco-based startup offering cybersecurity for artificial intelligence and cloud applications, has secured $400 million in fresh financing that values the company at $3.8 billion https://t.co/E7iSvYHFtq

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  4. QU

    Quartz@qzPost on X ·

    AI is making hacking cheaper — and this startup just raised $400M to fight back Upwind Security's valuation more than doubled to $3.8 billion as cyber threats surge and the cost of launching an attack drops to near zero thanks to AI tools. With #Upwind #CyberSecurity #AIThreats https://t.co/lB4G9WwdFC

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  5. TE

    TechmemeArticle ·

    AI and cloud cybersecurity startup Upwind Security raised $400M led by Bessemer at a $3.8B valuation, up from $1.5B in January, for $830M in total funding (Marissa Newman/Bloomberg) Marissa Newman / Bloomberg : AI and cloud cybersecurity startup Upwind Security raised $400M led by Bessemer at a $3.8B valuation, up from $1.5B in January, for $830M in total funding — Upwind Security, a San Francisco-based startup offering cybersecurity for artificial intelligence and cloud applications …

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