Island Hits $6.4 Billion Valuation in $400 Million Round as AI Security Demand Rises

Island CEO and co-founder Mike Fey told CNBC in an exclusive interview that the security market is being reshaped by new AI-driven threats. "Every old control is breaking, so everything's up for grabs," Fey said. "I've never seen anything like it. It's a very special time."

The funding round comes as the battle over AI regulation continues in Washington and Silicon Valley, with lawmakers on both sides of the aisle debating whether to slow development. At the same time, businesses are moving to roll out stronger defenses against rogue AI agents, which drew widespread attention after OpenAI's agent-orchestrated attack on Hugging Face, CNBC reported.

Fey said Island plans to scale its workforce from 1,000 to 1,500 employees by the middle of next year. The company ranked No. 28 on this year's CNBC Disruptor 50 list and counts Pfizer, Chipotle, American Airlines and major banks among its customers.

Island is widely known for its enterprise browser, which allows businesses to monitor and control browser activity as employees collaborate. Browsers have become a common target of hackers seeking to steal sensitive information, especially in hybrid work environments. "What we're focused on is enabling everything required for safe, secure, and productive capabilities for the future workforce," Fey said.

The company is also navigating an increasingly crowded competitive landscape that includes pure-play incumbents such as Palo Alto Networks and a roster of startups racing to win a slice of the ballooning AI security market. Fey said that competition is complicating an already complex business stack and forcing businesses to rethink their architecture.

Island is betting that its broad platform and nimble startup-like feel will appeal to businesses looking to boost productivity and simplify their toolset. "It's really simple: Have a much better product," Fey said. "That's your only option, and that's what we've done."