Sierra, $400 million in funding... consolidating its leading position in the AI safety market

Data security company Cyera, based on artificial intelligence, successfully attracted large-scale investment, triggering significant industry attention. Recently, Cyera raised $400 million in Series F funding (approximately 57.6 trillion KRW), pushing the company’s valuation to $9 billion (about 12.96 trillion KRW). The round was led by Blackstone, with existing investors Sequoia Capital, Lightspeed Venture Partners, Spark Capital, Accel, and other well-known venture capital firms participating.

Last June, Cyera also raised $540 million (about 778 billion KRW), achieving a valuation of approximately $6 billion (about 8.64 trillion KRW), establishing a leading position in the “AI data security” market. This funding brings its total capital raised to $1.7 billion (about 2.448 trillion KRW). Cyera co-founder and CEO Jotham Seggev stated, “At a critical time when enterprise operations are transitioning to AI, the importance of data security has never been greater. Ensuring the safe advancement of AI transformation is our mission.”

Recently, the venture capital industry has identified the “imbalance between the speed of generative AI applications and security” as a major risk. A Bain & Company survey shows that 95% of U.S. companies are applying generative AI in their operations, but concerns over lack of control are increasingly prominent. Especially as 2025 approaches, autonomous agent-based AI systems are accelerating in adoption, automating various tasks such as internal email writing, code generation, and search analysis. This has led to the emergence of previously nonexistent regulatory blind spots, with the risk of sensitive information exposure continuously increasing.

To address this, Cyera has launched a new generation of security platforms to adapt to the evolving security paradigm. Among them, “AI Guardian” has attracted attention for going beyond simple data access control to focus on designing the security of AI system architecture. Currently, Cyera has secured clients from 20% of Fortune 500 companies, with business expanding into finance, healthcare, media, communications, retail, and other industries. The company reportedly has over 1,100 employees across 15 countries worldwide, nearly tripling its size compared to last year.

John Reaper, Chief Information Security Officer at Chevron, commented, “The ability to clearly understand data flow paths and implement controls directly relates to a company’s sustainable development. Companies like Cyera will play a key role in the market.”

Jotham Seggev stated that the current round of funding will be used to: ▲Strengthen employees’ AI security application capabilities ▲Improve the reliability of autonomous AI ▲Enhance external ecosystem control functions ▲Develop AI security integrated with AI technology. He emphasized that the role of CISOs is evolving from mere technical managers to “control towers” for organizational AI centralization transformation. In the AI era, security is no longer a “cost” but a “growth driver.”

Cyera predicts that the future of data generation, sharing, and storage will undergo fundamental changes, and plans to continuously develop security technologies and governance systems to match these changes. In the rapidly changing AI environment, who can lead in security has become a core factor in enterprise competitiveness.