Socket, a San Francisco, CA-based startup that fights vulnerabilities and provides visibility, defense-in-depth, and proactive supply chain protection for JavaScript and Python dependencies, raised $20M in Series A funding round. The round was led by Andreessen Horowitz (a16z), with participation from Abstract Ventures, Wndrco, Michael Ovitz, Arash Ferdowsi, Jawed Karim, Aaron Levie, Elad Gil, Dylan Field, Nat Friedman, Julia and Kevin Hartz, Guillermo Rauch, Freddy Kerrest, and Unusual Ventures. The company is also announcing 3 new products, including: • Support for Go ecosystem, in addition to JavaScript and Python • Socket Chrome Extension to verify that the open source package users are about to install is secure and trustworthy. • Support for Python ecosystem, one of the most popular programming languages in the world. They have also shipped an organization dashboard, VSCode extension, SOC 2 compliance, and support for new package managers yarn and pnpm.