Upstream Security

Upstream Security is an automotive and mobility cybersecurity company delivering a cloud-based, agentless data management and threat detection platform purpose-built for connected vehicles, software-defined vehicles, and smart mobility IoT ecosystems. Founded in 2017 by Yonatan Appel and Yoav Levy in Herzliya, Israel, the company monitors over 40 million vehicles and devices and processes more than 25 billion data points in real time monthly. Upstream's platform ingests data from telematics, OTA updates, diagnostics, dealership systems, and APIs — without requiring any in-vehicle agents — and applies advanced machine learning and generative AI to detect known and emerging cyber threats and quality anomalies. Core products include the Cybersecurity Detection and Response (XDR) platform, Proactive Quality Detection for reducing warranty and recall costs, Runtime AI and API Security covering OWASP Top 10 risks for automotive APIs and MCP, Mobility Cyber Threat Intelligence, and a Managed Vehicle Security Operations Center (vSOC). Upstream supports compliance with UNECE WP.29 R155 and R156 automotive cybersecurity regulations. The company has raised Series C and Series D funding and serves leading global OEMs, fleet operators, and Tier-1 automotive suppliers.