Bay Emerges From Stealth With $50M

Bay, an AI security startup based in Tel Aviv, Israel, has officially emerged from stealth with $50 million in total funding. The company provides an AI security platform that helps enterprises safely deploy autonomous agents. The financing includes a $37 million Series A round and a previously undisclosed $13 million seed round.

Investors

The Series A round was led by Battery Ventures, with participation from Micron Ventures, M12, Microsoft’s Venture Fund, and Assaf Rappaport. The company also previously raised $13 million in a seed round led by YL Ventures and Striker Venture Partners.

Bay Use of Funds

Bay plans to use the new capital to scale its product and engineering departments and expand its sales, marketing, and customer success teams across the United States and Europe.

About Bay

Founded in 2026 by CEO Yuval Zacharia, CPO Aner Morag, and VP of R&D Boris Danilovich, Bay provides an AI security platform that establishes a trust layer for agentic enterprises. The software enables organizations to govern, observe, and enforce security policies on autonomous AI agents across devices, cloud infrastructure, and SaaS applications.

Funding Details

Company Website: https://bay.io

Company: Bay
Raised: $50M
Round: Seed, Series A
Funding Date: November 10, 2026
Lead Investor: Series A: Battery Ventures, Seed: YL Ventures, Striker Venture Partners
Additional Investors: Micron Ventures, M12, Microsoft’s Venture Fund, Assaf Rappaport
Software Category: Cybersecurity / AI Security
Source: https://www.businesswire.com/news/home/20261110782760/en/Bay-Emerges-From-Stealth-With-%2450M-After-Fortune-100-Companies-Used-Its-Platform-to-Triple-Autonomous-AI-Agent-Use