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At close · Thu, Sep 24, 2026
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HomeUS MarketsM&A & DealsCyber startup Island valued at $6.4 billion in new fun…

Cyber startup Island valued at $6.4 billion in new funding round

CNBC Markets reports the new round pushes Island’s valuation to $6.4 billion, reflecting heightened spending on agentic AI cybersecurity defenses.

Cyber startup Island has raised money in a new funding round that values the company at $6.4 billion, according to CNBC Markets.

The outlet reports that the company is operating in a more competitive cybersecurity market as organizations increase spending on agentic AI defenses.

CNBC Markets describes Island’s challenge as scaling in an environment where demand for AI-driven security tools is growing, but competition is also intensifying.

Details of the round, including deal size and investors, were not provided in the available source summary.

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