Island Secured $400 Million Funding Round
The cybersecurity firm reached a $6.4 billion valuation as it expands its secure enterprise browser platform.
Updated on Sept. 24, 2026 in Cybersecurity
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Island has raised $400 million in a new funding round led by Evolution Equity Partners, bringing the company valuation to $6.4 billion. The six-year-old firm, which offers a secure corporate browser, has now raised a total of $1.13 billion.
Why it matters
The company's focus on securing data at the application layer addresses growing organizational demand for visibility into human and AI agent activity. This influx of capital signals continued investor confidence in browser-based security architectures.
Island reached a $6.4 billion valuation six years after its launch. This follows a period where the firm doubled its valuation from its 2024 benchmark.
The players
Island
A cybersecurity firm founded by Dan Amiga and Mike Pye that develops secure enterprise browser technology.
Evolution Equity Partners
A venture capital firm focused on cybersecurity investments that led the latest funding round.
The details
The platform functions as a secure corporate browser, a specialized web-browsing environment designed for business oversight. It employs telemetry — automated recording and transmission of data — to provide administrators with control over activities performed by both human employees and AI agents. By wrapping application interactions in this controlled browser, the system enforces security policies directly at the application layer.
Timeline
2020: Island launched operations.
2024: Island reached a valuation half of its current $6.4 billion figure.
- 2026-09-24
The company secured $400 million in new funding.
The Tech Race
This funding round follows the industry trend of moving security controls from endpoint agents to the browser layer. It positions Island as a leader in the race to control application-level security against a backdrop of increasing enterprise reliance on AI agents.
Organizations currently using the Island browser platform should expect an acceleration of product features focused on AI agent oversight. Enterprise IT teams can anticipate continued integration of the browser into corporate security stacks as a primary control point.
The takeaway
The browser has become a primary battlefield for enterprise security, drawing significant venture capital into specialized software stacks. Watch for future product announcements from the company as it scales its operations following this $1.13 billion cumulative investment.
Further reading
For more on how companies are locking down internal tools, visit Cybersecurity.
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