📰 3 sources 3 articles · 24 Sep 2026, 13:00 → 24 days ago

Island raises $400 million at a $6.4 billion valuation amid AI agent security risks

Cybersecurity startup Island announced raising $400 million in a new funding round, lifting its valuation to $6.4 billion. The round comes as AI agents reshape the enterprise security sector amid growing security risks associated with them.

📍 Where things stand: Island is valued at about $6.4 billion after raising $400 million, amid rising security risks linked to artificial intelligence.

⏱️ Timeline

24 Sep 2026, 13:00 Island announced raising $400 million in a new funding round, bringing its valuation to $6.4 billion, at a time when AI agents are reshaping the enterprise security sector.
24 Sep 2026, 14:38 Reuters reported that cybersecurity startup Island was valued at about $6.4 billion, amid security risks related to AI agents.
24 Sep 2026, 16:44 Dallas News reported that Dallas-based cybersecurity startup Island reached a valuation of $6.4 billion, amid growing risks associated with artificial intelligence.

Timeline written by AI from the sources below; updated as new reports arrive.

calcalistech.comReutersDallas News

📰 All coverage

📅 2026-09-24

Dallas News 16:44

Dallas-based Cybersecurity startup Island valued at $6.4 billion as AI risks grow

Dallas-based cybersecurity startup Island is valued at $6.4 billion amid growing AI risks.

Reuters 14:38

Cybersecurity startup Island valued at $6.4 billion amid AI agent security risks

Cybersecurity startup Island has been valued at $6.4 billion amid security risks associated with AI agents.

calcalistech.com 13:00

Island raises $400 million at $6.4 billion valuation as AI agents reshape enterprise security

Island announced raising $400 million in a new funding round, bringing its valuation to $6.4 billion. The round comes as AI agents reshape the enterprise security sector.