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Upwind Security Secures 0M, Reaches .8B Valuation

Upwind Security Secures $400M, Reaches $3.8B Valuation

Posted on October 28, 2026 By CWS

Upwind Security has announced a successful $400 million Series C funding round, elevating its valuation to $3.8 billion. This development comes merely nine months after a previous $250 million round at a $1.5 billion valuation, bringing the total capital raised by the company to over $800 million.

Innovative Cloud Security Solutions

Specializing in cloud security, Upwind Security offers a platform that enhances organizational visibility into networks, APIs, and data flows. Their technology is already in use by a diverse range of clients, including notable names like Siemens, Roku, and Nubank.

The platform employs runtime intelligence to assist security, development, and DevOps teams in identifying and addressing critical vulnerabilities. It also enables real-time detection of potential attacks, providing proactive risk management solutions.

Company Origins and Leadership

Upwind Security is headquartered in San Francisco and was founded in 2022 by Amiram Shachar. Shachar is also known for founding Spot.io, which was sold to NetApp for $450 million, further underscoring his expertise in the tech industry.

The latest financial backing was spearheaded by Bessemer Venture Partners, with additional contributions from Canapi Ventures and existing supporters such as TCV, Greylock Partners, and Salesforce Ventures.

Potential Acquisition Interest

The substantial funding injection follows recent reports of acquisition interest from major players, including Datadog, which was rumored to have made an offer close to $4 billion. While The Information reported this potential acquisition, the Israeli technology outlet CTech raised doubts, suggesting that no such offer had been extended by Datadog.

This significant investment positions Upwind Security for future growth and innovation in the cybersecurity sector, as they continue to expand their influence and technological capabilities.

Security Week News Tags:Amiram Shachar, Bessemer Venture Partners, cloud security, Cybersecurity, Datadog, fundraising, investment news, San Francisco tech, Series C funding, startup valuation, technology news, Upwind Security, venture capital

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