Upwind (cloud security)

Upwind was founded in 2022 by CEO Amiram Shachar together with Liran Polak, Tal Zur and Lavi Ferdman, who had previously founded cloud infrastructure optimization company Spot.io, sold to NetApp for $450 million in 2020.⁠[1]

Greylock co-led Upwind’s seed round, which it described as the largest seed round it had ever participated in for a software company.⁠[2]

In September 2023 Upwind raised a $50 million round at a $300 million valuation; it had previously raised just over $77 million in total.⁠[3]

On December 2, 2024 Upwind announced a $100 million Series A led by Craft Ventures, with new investors TCV and Alta Park Capital and existing investors Greylock, Cyberstarts, Leaders Fund, Cerca and Sheva, the fund founded by former Israeli NBANBAThe National Basketball Association (NBA) is a North American professional basketball league with 30 teams.Open the full entry player Omri Casspi. The company did not disclose a valuation; market estimates put it at $850 million to $900 million. The round brought its total funding to $180 million.⁠[4][1]

Upwind then planned to double its workforce to nearly 300 people and expand its offices in Israel, San Francisco, the United Kingdom and Iceland.⁠[1]

On January 26, 2026 Upwind announced a $250 million Series B at a $1.5 billion valuation, led by Bessemer Venture Partners with participation from Salesforce VenturesSalesforce VenturesSalesforce Ventures is Salesforce’s corporate venture capital arm. Active since 2009, it backs companies from seed through growth across enterprise software, cloud infrastructure, data, security and AI. Salesforce supplies all of its capital.Open the full entry, Picture Capital and existing investors including Cyberstarts, Greylock, Leaders Fund, Craft Ventures, TCV, Alta Park and Stephen Curry’s Penny Jar Capital, bringing its total funding to $430 million. The company said revenue had grown 900% and its customer count 200% over the previous year.⁠[5][6]

Upwind’s platform correlates built-in cloud telemetry with data collected through eBPF to detect malicious activity, generates breach timelines and can run automated remediation playbooks; it also integrates with CI/CD pipelines to flag vulnerable software and infrastructure-as-code files before deployment. Shachar said: “Cloud infrastructure has changed faster than the security models designed to protect it.”⁠[6]

After the January 2026 Series B, Salesforce Ventures invested tens of millions of dollars in Upwind at a $1.6 billion valuation. In early September 2026 Upwind raised about $300 million at a valuation of roughly $3.8 billion, in funding led by Bessemer Venture Partners and TCV.⁠[7]

On October 28, 2026 Upwind announced a $400 million Series C led by Bessemer Venture Partners, with every existing investor participating and Canapi Ventures joining, bringing its total funding to more than $800 million. The company said it was building AI sensors for endpoints and scanners for agents and skills, and had launched Blue, Red and Green agents for investigation, exposure verification and remediation, along with an AI lab for cybersecurity.⁠[8]

On October 13, 2026 CursorCursorCursor is the trading name of U.S. AI coding software company Anysphere, Inc. and its namesake coding tool. Founded by Michael Truell, Sualeh Asif, Arvid Lunnemark and Aman Sanger, it began as an AI-native development environment forked from VS Code and later shifted toward agent-centered coding. Its November 2025 Series D valued the company at $29.3 billion post-money; on August 14, 2026, SpaceX completed an all-stock acquisition at an implied equity value of $60 billion, making Cursor a wholly owned subsidiary.Open the full entry announced that the app marketplace for its Origin platform integrated more than 20 developer-tool apps, listing Upwind among its security apps.⁠[9]

Upwind states its mission as “to secure cloud and AI for the world.” Its name comes from the windsurfing technique of sailing against the wind, which the company compares to helping security teams trace security issues to their root cause amid cloud alert noise; Upwind sponsors windsurfing gold medalist Tom Reuveni and wingfoil world champion Cash Berzolla.⁠[2]

Upwind: Official website: https://www.upwind.io/ (opens in a new window).⁠[2]

X: Public account: https://x.com/upwindsecurity (opens in a new window).⁠[2]

LinkedInLinkedInLinkedIn is a social networking platform for professionals. It was founded in 2002 by Reid Hoffman and others, launched in 2003, and listed on the New York Stock Exchange in 2011; after Microsoft acquired it for approximately $26.2 billion in 2016, it became a wholly owned Microsoft subsidiary. Its revenue comes from membership subscriptions, advertising, and recruitment solutions.Open the full entry: Public profile: https://www.linkedin.com/company/upwindsecurity/ (opens in a new window).⁠[2]