Oak, a security company building what it calls an Identity Operating System, has stepped out of stealth with $60m in seed capital to take on the fragmented identity governance market.
The round was co-led by Accel, Greylock Partners and CRV, with additional backing from Hetz Ventures, AlphaDrive Ventures and a group of strategic angel investors. Rather than remaining a concept, Oak’s platform is already generally available and running inside enterprise customers.
The company argues that identity has become the front door of the modern enterprise and, as a result, the primary route attackers use to break in. Despite this, many organisations remain unable to state with confidence who can access their systems at any moment.
Governance tooling designed for an era of static environments and human-only users has been overwhelmed by the surge of human, machine and AI-agent identities. Gartner forecasts that 70% of CISOs will adopt identity visibility and intelligence capabilities by 2028 in an effort to reduce this expanding attack surface. While established vendors have attempted to retrofit AI onto ageing platforms, Oak claims a genuinely AI-native architecture designed by practitioners with deep experience of the problem.
That experience sits with CEO and co-founder Shai Morag, a serial cybersecurity founder with over 20 years in the industry. His previous ventures include Integrity-Project, bought by NVIDIA’s Mellanox in 2014, Secdo, purchased by Palo Alto Networks in 2018, and cloud identity firm Ermetic, which Tenable acquired in 2023 and where Morag subsequently served as CPO.
He is joined by co-founder and CPO Tal Marom, previously a product leader at Tenable and Salesforce, along with a bench of identity and AI specialists. Part of the new capital will fund recruitment across the security and AI fields as Oak completes the full platform.
Built on AI-native foundations, Oak can integrate with any system and stand up new connectors in hours, a process the company says takes legacy vendors months. It derives its picture of each identity from raw evidence rather than the static records older tools rely on, and is layering on top of this a single operating system to govern every human, machine and AI-agent identity across its full lifecycle.
Oak CEO and co-founder Shai Morag said, “The market has reached a breaking point, and I had the chance to bring together the people who understand identity, security, and AI best. I’ve built several companies in this space, so I understand why identity has stayed broken for so long. The tools were never built to work as one, and adding more of them was never going to fix it. Oak is the platform the industry has needed for twenty years, and could never build until now.”
Oak CPO and co-founder Tal Marom said, “We spent months speaking with more than 100 CISOs and IAM leaders, and they all share the same problems of running too many disconnected tools, being unable to see how access is used, and no way to govern AI agents. Just as CNAPP consolidated the fragmented cloud security stack, identity is now at that same inflection point, and Oak is designed to be the platform that brings it all together and turbocharges the security teams defending the enterprise.”
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