AI Agent · Funding Round · OpenAI · Decrypt
AI Security Startup Upwind Raises $400 million at $3.8 billion Valuation
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★ Tier-1 Source
Upwind Security raised $400 million in a Series C round at a $3.8 billion valuation, the cloud and AI security company announced Wednesday.
Key facts
- Upwind Security raised $400 million in a Series C round at a $3.8 billion valuation, the cloud and AI security company announced Wednesday
- Upwind was founded in 2022 and has now raised more than $800 million, according to the company
- Upwind says revenue quadrupled in 2026, though its press release gives no dollar figures
- Canapi Ventures joined as a new investor, and every existing backer returned, pouring even more money into the startop
Summary
Upwind Security raised a $400 million Series C led by Bessemer Venture Partners at a $3.8 billion valuation, up from $1.5 billion in January. The company says revenue quadrupled in 2026 but has not disclosed dollar figures. The money will fund AI sensors for endpoints, scanners for AI agents and their skills, and expansion into identity, data and AI security. Canapi Ventures joined as a new investor, and every existing backer returned, pouring even more money into the startop.