Upwind raises $400M at $3.8B valuation; Infisical valued at $600M

· Cybersecurity

Cloud security firm Upwind Security raised $400 million at a $3.8 billion valuation, a round that came days after reports that the company had drawn acquisition interest from several parties, including Datadog. Separately, secrets management vendor Infisical raised a $40 million Series B that values it at $600 million; it plans to use the funds to expand its platform for securing AI agents' access to sensitive systems. The two rounds point to sustained investor appetite for cloud and machine-identity security as enterprises extend access to autonomous software agents.

Why it matters：Funding at these levels shows investors betting that securing AI agents and cloud workloads will be a durable budget line, shaping which vendors consolidation and M&A talks center on next.

Key points

  • Upwind's $400 million round values the cloud security firm at $3.8 billion.
  • Reports had linked Datadog and several other companies to acquisition interest in Upwind.
  • Infisical's $40 million Series B will fund securing AI agents' access to sensitive systems.

Sources (original reporting)

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