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Artificial intelligence (AI) security startup Cyera on June 10 announced it had raised $600 million in Series G funding for a post-money valuation of $12 billion.
The latest fundraising, led by Evolution Equity Partners, quadruples the company’s valuation in 18 months. In January, Cyera raised $400 million in Series F financing led by alternative asset manager Blackstone, valuing the company at $12 billion.
Key participants in the current fundraising include Israeli-based early-stage security venture firm Cyberstarts and Temasek, the global investment arm of the Government of Singapore. Lead investors included Accel, AT&T Ventures, Coatue, and Spark Capital.
Privately held, New York City-based Cyera said that in the past year it has shipped more than 100 new product capabilities in data security posture management, data loss prevention, privacy, identity, and agentic security for a holistic enterprise trust layer. It has also made five targeted acquisitions over the past 12 months.
“Our customers are some of the most sophisticated companies in the world,” Cyera CEO and co-founder Yotam Segev said.
“The one thing they share is the urgency to lead AI transformation at a scale and speed. Trust makes that possible. That’s the infrastructure layer the industry has been missing, and it’s what we’ve been building.”
Cyera’s software enables companies to identify, classify, and secure sensitive data across cloud and on-premise systems while monitoring risks and supporting regulatory compliance.
The funding allows Cyera to more quickly build out and scale its AI security solutions, Segev added. The thrust of the company’s work is governing how AI operates as it is implemented and embedded across businesses and corporations.
Segev said in a blog post that Cyera has spent the past five years examining what AI is doing inside many of the world’s leading enterprises. Current security protocols were never built with AI in mind, he noted.
“The industry built out chips, models, and compute,” Segev said. “What it needs now is the layer that determines what AI can see and do.”
Cyera’s rapid rise in valuation and strong investor interest underscore growing demand for data security alongside widespread AI adoption in modern enterprises. In 2025, AI-enabled threats increased 89 percent year over year, cybersecurity technology company CrowdStrike said in its 2026 Global Threat Report.
“The window to detect, decide, and respond has narrowed dramatically,” Crowdstrike researchers wrote.
Threat actors are using AI to support and enhance malicious operations, with the most sophisticated leveraging AI to create new malware and increase the frequency and effectiveness of their attacks to previously unattainable levels, CrowdStrike said.
