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Cyera raises $400 million in Series F, valued at $9 billion

AI and data security startup Cyera has raised $400 million in a Series F funding round, lifting its valuation to $9 billion. The round was led by funds managed by Blackstone and backed by existing investors, including Accel, Coatue, Cyberstarts, Georgian, Greenoaks, Lightspeed Venture Partners, Redpoint, Sapphire, Sequoia Capital, and Spark. With this latest infusion, Cyera has now raised over $1.7 billion since its founding in 2021.

The rapid valuation increase, a threefold rise from just a year ago, underscores the growing urgency for enterprises to secure sensitive data in an era of accelerating AI adoption. With agentic AI—systems capable of autonomous decision-making—becoming increasingly prevalent, organizations are seeking robust governance frameworks to manage associated risks.

Founded by Yotam Segev (CEO) and Tamar Bar-Ilan (CTO), both alumni of Israel’s elite Talpiot program and veterans of Unit 8200, Cyera offers an AI-powered platform that helps companies discover, classify, and protect sensitive data across complex IT environments. In recent months, the startup has expanded aggressively through acquisitions, including Otterize, a specialist in securing non-human cloud identities, and previous purchases of Trail Security and other Israeli firms, totaling an estimated $250 million in investment.

Global Reach and Strategic Partnerships Drive Growth

Cyera now serves roughly 20% of the Fortune 500, spanning sectors such as financial services, retail, healthcare, technology, and telecommunications. Its workforce has tripled to over 1,100 employees, with operations extended to 15 countries across North America, EMEA, and APAC. The company has also forged partnerships with major cloud providers, including Microsoft Purview, AWS, and Cohesity, while introducing new offerings to address AI-specific security needs.

Its AI Guardian platform integrates Data Security Posture Management, Data Loss Prevention, and identity controls, providing continuous monitoring and automated safeguards to protect sensitive information wherever it resides.

“AI is reshaping the foundations of how every organization operates, and our mission is to ensure that this transformation happens securely,” said Segev. “Enterprises want to move fast, but AI without proper data security and governance is a risk they cannot afford. Securing AI is no longer just a technology challenge—it is now the cornerstone of enterprise trust.”