Socket, a developer-first security startup, has secured $40 million in a new funding round to scale its platform designed to detect malicious vulnerabilities within open source software. The investment arrives as software supply chain attacks continue to surge, threatening enterprise infrastructure and costing the global economy billions in damages.
The Growing Crisis in Software Supply Chains
The reliance on third-party open source components has created a precarious environment for modern development. Recent data indicates that 88% of companies view supply chain security as an enterprise-wide risk. The problem is compounded by maintenance neglect; a 2023 Synopsys report found that 89% of codebases contain open source tools that are at least four years out of date.
With over half of organizations having already faced a supply chain attack, the financial impact is projected to reach $81 billion by 2026, according to Juniper Research. Socket, founded in 2020 by Feross Aboukhadijeh, aims to mitigate these threats by shifting security focus from static analysis to active dependency monitoring.

How Socket Detects Modern Threats
Traditional security tools often struggle to manage the sheer volume of dependencies—numbering in the thousands—that modern applications rely on. Socket differentiates itself by scanning for active malicious behavior, including obfuscated code and backdoors, rather than relying solely on known vulnerability databases.
The platform leverages generative AI APIs from OpenAI and Anthropic to provide clear, actionable summaries of detected risks. Furthermore, it integrates directly into developer workflows, offering real-time insights during code reviews. This approach minimizes “alert fatigue,” a common pain point for engineering teams dealing with excessive false positives.
Market Momentum and Future Scaling
Despite a competitive landscape that includes startups like Oligo, Endor, and Chainguard, Socket has seen rapid adoption. The company reports it is on track for 400% revenue growth in 2024, currently protecting over 7,500 organizations and 300,000 code repositories.
The latest Series B round, which brings Socket’s total funding to $65 million, features prominent backers including Andreessen Horowitz, Yahoo co-founder Jerry Yang, and OpenAI chairman Bret Taylor. The company’s client list includes high-profile names like Anthropic, Figma, and Vercel.
Addressing AI-Generated Risks
The rise of AI-powered coding tools has introduced new vectors for security holes, making Socket’s mission increasingly urgent. Aboukhadijeh noted that the “pre-emptive” funding round will allow the company to expand its team from 32 to 50 employees by year-end. The focus remains on strengthening engineering and product capabilities to provide security assurances for the growing volume of AI-generated code.
As the supply chain security market is expected to hit $3.5 billion by 2027, Socket is positioning itself to be the primary layer of defense for developers navigating an increasingly complex open source ecosystem.
