Cybersecurity firm Kai secures $125m for AI defence

Kai

Kai, an AI-driven cybersecurity company focused on autonomous threat defence, has emerged from stealth with up to $125m in funding.

The company announced it has raised $125m in funding, led by Evolution Equity Partners, with participation from N47 and a group of strategic investors.

Kai has developed what it describes as the first agentic AI cybersecurity platform designed to operate autonomously at machine speed. The platform uses intelligent agents capable of reasoning, acting and adapting across multiple cybersecurity functions, including threat intelligence, exposure management, detection and incident response. By bringing these capabilities together into a single pipeline, the platform aims to eliminate fragmented tools, data silos and manual workflows that often slow down security operations.

The company believes traditional security processes are struggling to keep up with the pace of modern cyber threats, particularly as attackers increasingly leverage artificial intelligence to scale attacks. Many enterprise security teams still rely on human-driven workflows and a growing number of specialised point solutions, which can create complexity and slow decision-making. Kai’s platform aims to address this by replacing siloed tools with autonomous AI agents that continuously perform security tasks across the enterprise.

The newly raised funding will be used to expand Kai’s go-to-market operations, accelerate research into advanced AI capabilities and scale its platform to meet rising global demand from enterprises facing AI-driven cyber threats.

Kai said it has already gained early traction in the market. In just 10 months since its first line of code was written, the company has secured several large enterprise customers and generated more than seven figures in bookings. Its technology is being adopted across industries including energy, pharmaceuticals, automotive and hospitality.

The company has also been involved in the Chevron Technology Ventures Catalyst Program, an initiative designed to accelerate technologies that can improve Chevron’s core business operations. Kai successfully completed the programme, demonstrating the capabilities of its AI-driven security platform in complex operational environments.

Kai was founded by experienced cybersecurity entrepreneurs. CEO Galina Antova previously co-founded Claroty, an industrial cybersecurity firm that focuses on protecting cyber-physical systems, while CTO Dr. Damiano Bolzoni co-founded SecurityMatters, an operational technology cybersecurity company later acquired by Forescout Technologies. Together, the founders previously helped bridge the gap between IT and operational technology security.

Kai co-founder and CEO Galina Antova said, “Cybersecurity is quickly becoming a contest between AI systems. The decisive factor is which side has richer data and can act at machine speed with human expert accuracy. We’ve created a unified, agentic cybersecurity platform from the ground up. Kai replaces fragmentation with intelligent, autonomous agents that execute security work end-to-end: across multiple use cases, and we’re just getting started.”

Evolution Equity Partners founder and managing partner Richard Seewald said, “AI has ushered in a new era for cybersecurity, disrupting traditional defense while enabling new, automated attacks humans alone can’t match. Kai’s approach was designed to close that gap by letting agentic AI prioritize action and execute response. That shift is why we backed Kai, and why enterprises are moving quickly to adopt it.”

Kai CTO Dr. Damiano Bolzoni said, “Attackers don’t think in categories. Defense shouldn’t either. Kai allows enterprises to eliminate silos, transform entire security functions, and reduce risk faster than was ever possible with human-led workflows.”

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