Email security startup Ocean has emerged from stealth mode, announcing $28 million in funding to combat AI-powered phishing and impersonation attacks. The funding round was led by Lightspeed Venture Partners, with contributions from Picture Capital, Cerca Partners, and notable angel investors from the security sector, including Assaf Rappaport of Wiz and Yevgeny Dibrov and Nadir Izrael of Armis. Founded by Shay Shwartz, Ocean aims to address the evolving threat landscape where AI is used to automate and enhance phishing attacks. The company has developed a custom small language model designed to detect impersonation by analyzing the context of incoming emails and cross-referencing it with enterprise data. This approach allows Ocean to identify fraudulent activities by considering both the email content and the organizational context, thereby improving defenses against AI-driven threats.