Insights

Enterprise validation Massive potential with Mastercard as a marquee client signals strong market trust and a foothold for upsell to major payment networks and fintechs that rely on secure client-side protection.

PCI DSS leverage Recent free PCI DSS 4.0 compliance support offering creates a compelling entry point for prospects seeking regulatory alignment, opening doors with e-commerce platforms and merchants aiming to simplify compliance while enhancing client-side security.

Web supply chain moat Source Defense specializes in real-time sandbox isolation to block client-side threats from third-party vendors, presenting a clear differentiator to security teams looking to protect websites with heavy vendor integrations.

Financing momentum Past funding rounds and a multi-million raise, plus ongoing growth signals, indicate the company has the resources to scale partnerships, integrations, and go-to-market efforts with channel and strategic alliances.

Security integration fit Tech stack footprint and existing clients in enterprise-adjacent sectors suggest opportunities to bundle with leading analytics, CRM, and marketing platforms to broaden deployment across customer travel and loyalty programs, digital commerce, and web performance vendors.

Similar companies to Source Defense

Source Defense Tech Stack

Source Defense uses 8 technology products and services including The Trade Desk, Hotjar, Mixpanel, and more. Explore Source Defense's tech stack below.

Media & News

Source Defense's Email Address Formats

Source Defense uses at least 4 email formats:
Source Defense Email FormatsExamplePercentage
First@sourcedefense.comJohn@sourcedefense.com
56%
First.Last@sourcedefense.comJohn.Doe@sourcedefense.com
39%
Last@sourcedefense.comDoe@sourcedefense.com
3%
FLast@sourcedefense.comJDoe@sourcedefense.com
2%

Frequently Asked Questions

What is Source Defense's official website and social media links?

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Source Defense's official website is sourcedefense.com and has social profiles on LinkedIn and Crunchbase.

How much revenue does Source Defense generate?

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As of October 2026, Source Defense's annual revenue is estimated to be $50M - $100M.

What is Source Defense's NAICS code?

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Source Defense's NAICS code is 5415 - Computer Systems Design and Related Services.

How many employees does Source Defense have currently?

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As of October 2026, Source Defense has approximately 49 employees across 3 continents, including Asia, North America and Europe. Key team members include Chief Executive Officer: R. H., Chief Financial Officer: M. K. and Vp R&d: S. S. ש. ש. Explore Source Defense's employee directory with LeadIQ.

What industry does Source Defense belong to?

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Source Defense operates in the Computer and Network Security industry.

What technology does Source Defense use?

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Source Defense's tech stack includes The Trade Desk, Hotjar, Mixpanel, HubSpot Content Hub, Salesforce, Heap, Piwik and Piwik PRO Core.

What is Source Defense's email format?

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Source Defense's email format typically follows the pattern of First@sourcedefense.com. Find more Source Defense email formats with LeadIQ.

How much funding has Source Defense raised to date?

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As of October 2026, Source Defense has raised $41M in funding. The last funding round occurred on May 26, 2022 for $27M.

When was Source Defense founded?

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Source Defense was founded in 2014.
Source Defense logo

Source Defense

Computer and Network SecuritySouthern District, Israel11-50 Employees

Source Defense operates within the computer and network security sector, focusing on protecting commercial websites from client-side threats introduced by third-party vendors. Many websites rely on dozens of external vendors, which can create vulnerabilities on the client side that leave sites exposed. The company employs a real-time sandbox isolation approach to curb malicious activity that may originate from website supply chain vendors.

Based in Beersheba, in the Southern District of Israel, Source Defense serves businesses with websites that rely on third-party integrations and seeks to strengthen their client-side security. A recent development noted in industry coverage indicates that Mastercard became a client in March 2026, demonstrating engagement with enterprise customers.

Section iconCompany Overview

NAICS Code
5415 - Computer Systems Design and Related Services
Founded
2014
Employees
11-50

Section iconFunding & Financials

  • $41M

    Source Defense has raised a total of $41M of funding over 4 rounds. Their latest funding round was raised on May 26, 2022 in the amount of $27M as a Series B.

  • $50M - $100M

    Source Defense's revenue is estimated to be in the range of $50M - $100M

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