Upwind has successfully raised $400 million in a Series C funding round. These funds will be used to further develop its platform designed to ensure security in cloud environments and in the field of artificial intelligence. Following this round, the company's valuation reached $3.8 billion.
The Upwind platform also addresses security issues arising from the increasing adoption of AI. Investors participating in the deal include Cyberstarts, Greylock Partners, Craft Ventures, Salesforce Ventures, and Picture Capital. Other investors include Leaders Fund, TCV, Alta Park Capital, Penny Jar Capital, Cerca Partners, and Swish Ventures.
Upwind was founded in 2022 by Amiram Shahar, Liran Polak, Levi Ferdman, and Tal Zur. Notably, Shahar previously co-founded Spot.io, which was acquired by NetApp for $450 million in 2020. After that, the founders focused their attention on cloud security.
This new funding followed a Series B round in January 2026. According to presented reports, the company was valued at approximately $1.5 billion at that time, demonstrating significant valuation growth within one year.
The platform integrates data from cloud workloads, application programming interfaces (APIs), and AI agents, providing security teams with a more complete context when analyzing potential threats. Unlike traditional security tools that generate a large number of alerts, Upwind indicates exactly which vulnerabilities require attention.
Upwind aims to bridge this gap by connecting runtime activity with threat intelligence. This allows specialists to precisely identify compromised systems and investigate anomalies. For example, if an AI agent is granted permission to read data 'x' but then attempts to access information it is not authorized to, Upwind can trace this back to the source code.
This transparency enables faster investigations and informed remediation actions. The platform is available on platforms such as Amazon Web Services, Microsoft Azure, Google Cloud Platform, and Oracle Cloud Infrastructure.
Upwind's revenue increased fourfold in 2026 amid growing demand for cloud and AI security. The company reported an Annual Recurring Revenue (ARR) exceeding $50 million, compared to approximately $20 million at the end of 2025.
Despite intense competition in the cloud security sector, the company's valuation of $3.8 billion with over $50 million in ARR corresponds to a multiple of about 76x revenue, setting high expectations for future growth. To support this valuation, the company needs to continue expanding its customer base. Major players in the market include Palo Alto Networks and CrowdStrike.
There are also smaller startups in AI security targeting new threats related to autonomous agents and enterprise AI applications. Upwind stands out among them due to its runtime intelligence and contextual visibility across various cloud environments.
The new investment comes at a time when companies are beginning to actively use AI agents in their business processes. These systems are capable of handling employee personal data and performing tasks without human intervention. Therefore, security teams need to understand how such agents operate within the current infrastructure.
Upwind's mission is to unify real-time data with autonomous investigation and problem resolution. The platform can help development and operations teams identify the most critical vulnerabilities. However, long-term growth will depend on customer adoption of the platform and achieving tangible security results. The raised funds will be used for further technological refinement and expansion of enterprise adoption.