Oasis Security raises $120m Series B for AI agent access

Oasis Security

Oasis Security, a non-human identity and agentic access governance platform, has raised $120m in a Series B funding round, bringing its total funding to $195m.

The round was led by Craft Ventures, with participation from existing investors Cyberstarts, Sequoia Capital, and Accel.

The company has built what it describes as a new category of enterprise security, focused on governing how AI agents and machine identities access critical systems.

With machine identities now outnumbering human ones by a ratio of 82 to one, Oasis argues that traditional access management tools — designed with people in mind — are no longer fit for purpose. Its Agentic Access Management (AAM) platform operates on a just-in-time access model, granting systems only the permissions they need to complete a specific task, rather than maintaining standing access that could be exploited.

The fresh capital will be used to expand research and development behind the AAM platform, broaden support across AI agent frameworks and enterprise systems, and scale the company’s global sales and go-to-market operations.

Oasis has reported strong commercial momentum ahead of this raise, with new annual recurring revenue growing fivefold year on year. The company counts a majority of Fortune 500 firms among its client base, with most new revenue coming from multi-year enterprise agreements — a sign, the company says, that it is becoming deeply embedded in customers’ identity infrastructure.

Oasis Security CEO Danny Brickman said, “Cybersecurity is defined by how we protect against abnormal and risky events. In the era of AI, that definition is being reshaped by access. Agent value is defined by access, and so is modern risk. Every organization deploying AI agents is taking on access risks they can’t yet see. Oasis was built to change that. We’re seeing this play out across our customer base: the organizations scaling AI fastest are the ones who treated access as a foundational requirement, not an afterthought. That’s the problem Oasis was built to solve.”

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