Dallas cybersecurity startup Island reaches $6.4B valuation with $400M funding round as AI-driven attacks force businesses to upgrade browser security defenses.

Cyber startup Island hits $6.4 billion valuation in new round as AI attacks fuel spending wave

Mike Fey, CEO of Island.Courtesy: Method CommunicationsThe scramble to secure businesses against swarms of rogue artificial intelligence agents is fueling demand for new security tools. The latest beneficiary of that trend is Dallas-based browser security startup Island, which announced a $400 million funding round at a $6.4 billion valuation on Thursday. "Every old control is breaking, so everything's up for grabs," Island CEO and co-founder Mike Fey told CNBC in an exclusive interview. "I've n...