Developer security startup, Socket has raised $60 million in Series C funding, reaching a $1 billion valuation, as investors double down on tools designed to secure the fast-growing volume of AI-generated code entering enterprise systems.

The round was led by Thrive Capital, with participation from Andreessen Horowitz, Abstract Ventures, and Capital One Ventures.

The investment underscores a growing belief across the cybersecurity industry that software supply chain security is becoming one of the most critical battlegrounds in the artificial intelligence era.

“AI is changing how software gets built at every level,” said Feross Aboukhadijeh, founder and CEO of Socket. “Teams are moving faster, more code is being generated, and more of what ends up in production now comes from outside the company. The hard part is keeping that speed without losing visibility into what’s actually getting shipped, and that’s where Socket comes in.”

What you need to know 

Founded in 2020, Socket is addressing a structural shift in how software is built. AI-powered coding tools are enabling developers to produce and deploy code at unprecedented speed, often relying heavily on open-source components sourced from external repositories.

While this accelerates development cycles, it also introduces new vulnerabilities. Malicious actors increasingly target open-source dependencies, exploiting weak points in software supply chains to infiltrate enterprise systems.

The company’s customer base reflects the scale of the problem, spanning high-growth technology firms such as Anthropic, xAI, Replit, Figma, and Vercel, alongside Fortune 100 organisations in sectors including financial services and media.

Supply chain attacks move into the boardroom

The timing of Socket’s funding highlights a broader shift in enterprise security priorities. Software supply chain attacks, once considered a niche developer issue, are now a board-level concern as companies increasingly depend on external code and AI-assisted development tools.

A 2025 community survey by OWASP ranked software supply chain failures as the top security concern among respondents. Meanwhile, research from the Linux Foundation found that only 36% of organisations actively evaluate the direct dependencies of open-source software before deploying them into production.

Recent incidents have demonstrated how quickly vulnerabilities can spread. The compromise of a widely used JavaScript package exposed how poisoned dependencies can propagate across thousands of applications within hours.

Socket said it was able to identify one such malicious dependency within six minutes, helping organisations prevent it from entering production systems. The company added that more than 2,000 organisations onboarded onto its platform within 24 hours of the incident.

Moving from reactive to proactive security

Socket’s platform is designed to detect threats before they become widely known, a departure from traditional vulnerability scanning tools that rely on public databases and post-disclosure analysis.

The system analyses the behaviour of open-source dependencies in real time, identifying suspicious activity patterns, including previously unseen attack techniques. It combines AI-assisted detection with human review to prioritise exploitable risks and reduce exposure.

Investors backing Socket see the company as part of a broader transition in cybersecurity, where speed and automation are redefining how threats emerge and how they must be addressed.

The shift is being driven by the rise of AI coding assistants, autonomous development agents, and the growing reliance on open-source ecosystems maintained outside corporate control.

A defining battle in the AI era

As enterprises race to adopt AI-driven development workflows, the challenge of securing software pipelines is becoming increasingly complex.

Traditional security models, built around reactive vulnerability management, are struggling to keep pace with the volume and velocity of modern code production.

In response, companies like Socket are positioning themselves as critical infrastructure providers in a new security paradigm.

With fresh funding and a growing customer base, Socket is now looking to expand its capabilities as organisations seek to secure increasingly decentralised and AI-driven software environments.

Talking Points

It is significant that Socket is tackling one of the fastest-growing risks in modern software development, the surge of AI-generated code and its heavy reliance on open-source dependencies, which has expanded the attack surface for enterprises.

This positions Socket at the centre of a critical shift in cybersecurity, where the focus is moving from reactive vulnerability management to proactive threat detection before malicious code reaches production environments.

At Techparley, we see how this reflects a deeper structural change in the software ecosystem. As development cycles accelerate through AI tools, security solutions must evolve at the same pace or risk becoming irrelevant.

The company’s ability to detect malicious dependencies in real time, rather than relying solely on public vulnerability databases, signals a new approach that aligns with the speed and complexity of AI-driven development workflows.

As the software supply chain becomes a central battleground in the AI era, there is a clear opportunity for Socket to expand its platform, deepen enterprise integrations, and establish itself as a foundational layer in securing next-generation software development.

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