Bay
Category: AI in Cybersecurity
Bay is an AI agent security platform that acts as a single control plane to discover, monitor and control enterprise AI agents, blocking risky actions before they execute. Bay was founded in 2026. The company is led by Yuval Zacharia. Based in Tel Aviv, Israel. Team size: 11-50. Total funding raised: $50M. Latest round: Series A. Key investors include Battery Ventures, YL Ventures, Striker Venture Partners, Micron Ventures, M12 (Microsoft), Assaf Rappaport (Wiz CEO, personal).
- Founded
- 2026
- Headquarters
- Tel Aviv, Israel
- Team size
- 11-50
- Total funding
- $50M
Value proposition
Lets enterprises scale AI agent adoption without losing control by evaluating each proposed agent action in the context of the full session and deciding locally in milliseconds whether to allow, redirect, escalate to the user, or deny it.
Products and solutions
Agent Runtime Enforcement (Bay Enforcer), Shadow AI Discovery (Wave scanner), AI Security Posture Management, AI Agent Investigation and forensics, AI Compliance and governance, Lighthouse AI policy engine. Covers endpoint, browser and cloud workspace surfaces.
Unique value
Session-aware, action-level enforcement rather than prompt/response filtering or permission checks. Agentless deployment in under 5 minutes and automatically generated per-team policies from the last 30 days of activity.
Target customer
Large enterprises and their security teams deploying AI agents, coding assistants and MCP servers across endpoints, browsers and cloud workspaces.
Industries served
Cross-industry enterprise. Named customers span semiconductors, web platforms, SaaS and consumer fitness.
Technology advantage
Local on-device enforcement with millisecond verdicts using full-session context. Lighthouse AI builds and maintains policies from the organization's own activity history. Retrospective analysis of 30 days of logs enables proof of value in under 14 days. Claims a false-positive rate under 1%. SOC 2 and ISO 27001 certified.
How they differentiate
Focuses on controlling individual agent actions in full-session context, locally and agentlessly across endpoint, browser and cloud. Many competitors center on discovery, identity or posture rather than real-time action enforcement.
Main competitors
Zenity, Noma Security, Astrix Security (acquired by Cisco)
Key partnerships
Installs via customers' existing MDR/EDR tooling, integrates with existing security workflows for automated remediation, works across multiple models, assistants and agent frameworks. Micron is both a customer and investor via Micron Ventures.
Notable customers
Micron, Peloton, ClickUp, Wix
Major milestones
Founded February 2026, $13M seed (previously undisclosed), emerged from stealth 2026-11-10 with $37M Series A led by Battery Ventures ($50M total), SOC 2 and ISO 27001 certified.
Growth metrics
Dozens of enterprise customers within nine months of founding; about 35 employees; Fortune 100 customers tripled autonomous agent use in just under 30 days.
Market positioning
Early-stage enterprise AI agent security / agentic endpoint security control plane in a crowded and fast-consolidating category.
Geographic focus
Israel (R&D, Tel Aviv HQ) with go-to-market expansion in the US and Europe.
Patents and IP
Company describes the retrospective log-analysis technology as patented; no specific patent filings verified.
About Yuval Zacharia
Ex-Hunters Director R&D, Security Research & AI (led Team Axon); ex-IDF Unit 8200 intelligence officer who led a ~50-person department and was the first intelligence officer there to cross into offensive cyber operations.
Latest news about Bay
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Official website: https://www.bay.io/