Source Defense is a technology company.
Source Defense has raised $42.0M across 3 funding rounds.
Source Defense has raised $42.0M in total across 3 funding rounds.
Source Defense has raised $42.0M in total across 3 funding rounds.
Source Defense's investors include Balderton Capital, Energy Impact Partners, Jerusalem Venture Partners (JVP), MizMaa Ventures, NEVA SGR, TeClub, Aaron Rosenson, AllegisCyber Capital.
Source Defense is a cybersecurity company that builds a patented platform for real-time detection, protection, and prevention of client-side web threats, including digital skimming, formjacking, keylogging, and Magecart attacks stemming from JavaScript, third-party vendors, and open-source code.[1][2][4][5] It serves financial institutions, online retailers, healthcare providers, media publishers, and eCommerce businesses handling sensitive data, solving the gap in securing websites at the client-side where data is entered and third-party scripts pose risks to compliance, performance, and user experience.[1][2][5] The platform includes the ADMIN management console, VICE sandboxing solution, and Website in Page Protection (WiPP) data shield, protecting about 1.5 billion monthly visitors while enabling PCI, GDPR, and other compliance.[1][2][4]
Founded in 2014 with headquarters in Rosh-Ha’ayin, Israel, and operations in the U.S., the company (50-99 employees) has shown strong growth, including over 250% year-over-year ARR increase in 2019/2020, 100% customer retention, multi-year bookings, and partnerships with Optiv, Fastly, Signal Sciences, and the PCI Security Standards Council.[1]
Source Defense was founded in 2014 in Rosh-Ha’ayin, Israel, addressing the rising vulnerabilities from JavaScript proliferation, third-party scripts, and open-source code in modern websites.[1][2] Specific founders are not detailed in available sources, but the company emerged amid growing client-side threats like Magecart attacks, filling a market gap in real-time protection beyond traditional browser or server security.[4][5] Early traction built through its patented technology, leading to adoption by Fortune 500 enterprises in finance, retail, healthcare, and eCommerce; by recent years, it protected 1.5 billion monthly visits and thwarted 2 billion JavaScript violations, with explosive growth in ARR (250%+ YoY in 2019/2020) and full customer retention.[1]
Source Defense rides the surge in client-side attacks amid heavy reliance on JavaScript, third-party vendors, and open-source libraries, which power most websites but introduce unchecked vulnerabilities like Magecart and formjacking.[1][2][4][5] Timing aligns with escalating eCommerce growth, regulatory pressures (GDPR, PCI), and supply chain threats, where traditional server-side tools fall short—protecting data at entry points for high-stakes sectors like finance and healthcare.[1][2] It influences the ecosystem by setting standards in client-side security, fostering partnerships with major players, and educating via Cyber Academy, while enabling safer digital experiences for billions of users and reducing breach costs for enterprises.[1][4]
Source Defense is positioned for continued expansion in a client-side security market ballooning with web complexity and cyber threats, leveraging its patented tech and growth trajectory (250%+ ARR spikes, 100% retention) to capture more Fortune 500 clients.[1] Next steps likely include scaling sales/marketing teams, deepening integrations, and global channel growth amid rising Magecart incidents and compliance demands.[1][4] Trends like AI-driven attacks, zero-trust web architectures, and third-party risk regulations will amplify its relevance, potentially evolving it into a broader web optimization leader—securing the open web as third-party dependencies intensify. This builds on its core strength: transforming client-side risks into protected, performant experiences for the digital economy.[1][2][5]
Source Defense has raised $42.0M across 3 funding rounds. Most recently, it raised $27.0M Series B in April 2022.
| Date | Round | Lead Investors | Other Investors |
|---|---|---|---|
| Apr 1, 2022 | $27.0M Series B | Balderton Capital, Energy Impact Partners, Jerusalem Venture Partners (JVP), MizMaa Ventures, NEVA SGR, TeClub, Aaron Rosenson | |
| May 1, 2020 | $5.0M Series A | AllegisCyber Capital, Balderton Capital, Energy Impact Partners, Jerusalem Venture Partners (JVP), MizMaa Ventures, NEVA SGR, TeClub, Aaron Rosenson | |
| Sep 1, 2018 | $10.0M Series A | Balderton Capital, Energy Impact Partners, Jerusalem Venture Partners (JVP), MizMaa Ventures, NEVA SGR, TeClub, Aaron Rosenson |