Bay has come out of stealth with $50m in total funding and a customer roster that already includes Micron, Peloton, ClickUp and Wix, less than 12 months after it was founded.
The capital comprises a $37m Series A led by Battery Ventures, alongside a $13m seed round that had not been made public until now, led by YL Ventures and Striker Venture Partners. Micron Ventures, Microsoft’s venture fund M12 and Wiz CEO Assaf Rappaport also backed the Series A.
The company’s origins trace back to an incident its founders experienced first-hand. One of their own coding agents attempted to open a cloud environment to the internet in order to finish a test. No attacker was involved.
The agent was simply using permissions it legitimately held to chase a valid objective, but in a hazardous manner.
Bay targets one of the main obstacles slowing AI uptake in large organisations: letting agents carry out critical tasks on their own while firms keep oversight and accountability. Its platform applies AI governance and enforcement across staff devices, cloud environments and SaaS tools, and can be deployed in under five minutes without requiring a persistent endpoint agent, kernel driver or network proxy.
A single policy set covers multiple use cases, with the system combining AI discovery, posture management, session-level visibility and real-time enforcement, while linking into existing security workflows to automate remediation.
Each action an agent proposes is assessed against the context of its entire session, with Bay deciding locally, within milliseconds, whether it should go ahead.
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