Socket, a California-based supply chain protection provider, has raised 60 million dollars in Series C funding at a 1 billion dollar valuation, bringing its total funding to 125 million dollars. The company, founded in 2020, uses AI-assisted analysis combined with human verification to scan open source dependencies for malicious behavior before they affect enterprise products. Socket plans to use the new funding to enhance its Socket Firewall product, expand its certified patches for exploited vulnerabilities, and extend protection to browser extensions, code editor tools, and AI applications as software development becomes increasingly automated.