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Big‑Dollar Security Startup Protects Open‑Source Code

USA, San FranciscoThursday, May 21, 2026

Socket, a young cybersecurity firm founded in 2020, has just closed a new funding round that places its valuation at one billion dollars. The latest investment of $60 million was led by Thrive Capital, with Andreessen Horowitz and Abstract Ventures remaining on board, while Capital One Ventures joined as a fresh investor.


Why the Boom?

  • AI‑Powered Coding Tools: Companies such as Anthropic, OpenAI, and Cursor rely on large language models trained on public code repositories to accelerate software development.
  • Security Gap: Weaknesses in open‑source material pose a serious risk, making protection of these resources critical.
  • Socket’s Edge: The firm offers solutions that guard against threats to publicly available code, addressing a growing concern of nation‑state hackers targeting open‑source libraries.

Next Steps

With the new capital, Socket plans to:

  1. Expand Services – Enhance protection features for open‑source code.
  2. Reach More Customers – Target developers and companies heavily reliant on public repositories.

The valuation signals that investors see a strong future for companies securing the foundations of modern software development.

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