# Source Defense

**Source:** https://www.startuphub.ai/startups/sourcedefense
**Profile type:** Startup

> Source Defense protects websites from client-side supply chain attacks by isolating third-party scripts in real-time.

## About

Source Defense offers a client-side website security platform designed to protect websites, payment pages, and sensitive customer data from digital skimming and third-party JavaScript vulnerabilities. Their platform provides automated prevention and real-time threat detection to secure digital experiences and ensure compliance with regulations like PCI DSS. They serve leading global brands and Fortune 500 organizations seeking to protect customer trust across every transaction.

## Key facts

- **Slug:** sourcedefense
- **Website:** http://www.sourcedefense.com/
- **Location:** Tel Aviv, Israel
- **Founded:** 2016-07-01 00:00:00
- **Employees:** 50
- **Operating status:** Active
- **Total funding:** $48M
- **Sectors / tags:** Enterprise, Cybersecurity, Client-Side Security, Web Security, Supply Chain Security, Data Protection, Threat Detection, Real-time Protection, Website Security, Enterprise Software, Cloud Security, DevSecOps
- **Social:**
  - LinkedIn: https://www.linkedin.com/company/source-defense/
  - Twitter: https://twitter.com/sourcedefense

## Frequently asked

### What does Source Defense do?

Source Defense offers a client-side website security platform designed to protect websites, payment pages, and sensitive customer data from digital skimming and third-party JavaScript vulnerabilities. Their platform provides automated prevention and real-time threat detection to secure digital experiences and ensure compliance with regulations like PCI DSS. They serve leading global brands and Fortune 500 organizations seeking to protect customer trust across every transaction.

### What is Source Defense's revenue?

StartupHub estimates Source Defense's annual revenue at $9.1M (range $5.5M to $16.7M, 68% confidence), based on comparable companies in the sector.

### What is Source Defense's valuation?

StartupHub estimates Source Defense's effective valuation at $201.4M (range $118.8M to $285.0M, 10% confidence), based on comparable companies in the sector.

### How much funding has Source Defense raised?

Source Defense has raised a total of $48M in funding. The most recent round on record is Series B.

### Where is Source Defense headquartered?

Source Defense is headquartered in Tel Aviv, Israel.

### When was Source Defense founded?

Source Defense was founded in 2016.

### What industry does Source Defense operate in?

Source Defense operates in Enterprise, Cybersecurity, Client-Side Security, Web Security, Supply Chain Security, Data Protection.

### How many employees does Source Defense have?

Source Defense has approximately 50 people on record.

## JSON-LD

Structured data aligned with this page's `<script type="application/ld+json">` (included when the profile is server-rendered).

```json
{
  "@context": "https://schema.org",
  "@graph": [
    {
      "@type": "BreadcrumbList",
      "itemListElement": [
        {
          "@type": "ListItem",
          "position": 1,
          "name": "Home",
          "item": "https://www.startuphub.ai"
        },
        {
          "@type": "ListItem",
          "position": 2,
          "name": "Startups",
          "item": "https://www.startuphub.ai/startups"
        },
        {
          "@type": "ListItem",
          "position": 3,
          "name": "Source Defense",
          "item": "https://www.startuphub.ai/startups/sourcedefense"
        }
      ]
    },
    {
      "@type": "ProfilePage",
      "@id": "https://www.startuphub.ai/startups/sourcedefense#webpage",
      "url": "https://www.startuphub.ai/startups/sourcedefense",
      "name": "Source Defense - AI Startup Profile | StartupHub.ai",
      "description": "This is the official profile of Source Defense. Source Defense is a startup founded in 2016, operating in Enterprise and Cybersecurity. Source Defense protects websites from client-side supply chain attacks by isolating third-party scripts in real-time. Headquartered in Tel Aviv, Israel. The company has approximately 50 employees.",
      "dateModified": "2026-06-26T08:07:58.25+00:00",
      "mainEntity": {
        "@id": "https://www.startuphub.ai/startups/sourcedefense#organization"
      }
    },
    {
      "@type": "Organization",
      "@id": "https://www.startuphub.ai/startups/sourcedefense#organization",
      "name": "Source Defense",
      "url": "http://www.sourcedefense.com/",
      "logo": "https://cdn.startuphub.ai/storage/v1/object/public/entity-images/logos/e5bb0593-009b-473b-af91-0c980cf49e9a-square.webp",
      "image": "https://cdn.startuphub.ai/storage/v1/object/public/entity-images/logos/e5bb0593-009b-473b-af91-0c980cf49e9a-square.webp",
      "description": "This is the official profile of Source Defense. Source Defense is a startup founded in 2016, operating in Enterprise and Cybersecurity. Source Defense protects websites from client-side supply chain attacks by isolating third-party scripts in real-time. Headquartered in Tel Aviv, Israel. The company has approximately 50 employees.",
      "sameAs": [
        "https://www.linkedin.com/company/source-defense/",
        "https://twitter.com/sourcedefense",
        "https://www.startuphub.ai/startups/sourcedefense"
      ],
      "foundingDate": "2016-07-01 00:00:00",
      "numberOfEmployees": {
        "@type": "QuantitativeValue",
        "value": 50
      },
      "address": {
        "@type": "PostalAddress",
        "addressLocality": "Tel Aviv",
        "addressCountry": "Israel"
      },
      "knowsAbout": [
        "Enterprise",
        "Cybersecurity",
        "Client-Side Security",
        "Web Security",
        "Supply Chain Security",
        "Data Protection",
        "Threat Detection",
        "Real-time Protection",
        "Website Security",
        "Enterprise Software",
        "Cloud Security",
        "DevSecOps"
      ]
    }
  ]
}
```
