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Source Defense

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Uses a first-of-its-kind, real-time sandbox isolation technology to provide a unique client-side website security solution focused on preventing malicious activity originating from website supply…

Beersheba, IsraelFounded 2014Defence
Valuation $100–250M Last recorded · 2022
Revenue $1–10M Latest reported FY
Headcount <100 Current team size
Total funding $50–100M Disclosed equity funding
Unlock exact values This page shows ranges. Dealroom has the exact numbers for Source Defense and the history behind them.

About Source Defense

Source Defense is a cybersecurity company that specializes in client-side security for websites. The company provides a real-time solution to detect, protect, and prevent threats that originate from JavaScript, a common component in web development. These threats include client-side injected malware, which can lead to data breaches and other security incidents. By focusing on the client-side, Source Defense addresses a critical vulnerability area that is often overlooked by traditional security measures.

The company's services are targeted towards a range of industries that handle sensitive customer data and have a significant online presence. These include the financial services, online retail, healthcare, travel, and media sectors. The business model is likely based on a subscription service for its cloud-based web application security platform, providing ongoing protection and updates to its clients.

Source Defense has demonstrated significant growth and investor confidence, having raised $47.5 million in funding over four rounds. The company was founded in 2014 and has established itself as a key player in the web application security market.

Source: Dealroom company data

At a glance

Status
Operational
Founded
2014
Headquarters
Beersheba, Israel
Employees
49
Open positions
None listed
Dealroom signal
77.1/100
Industry
Security
Sub-industry
Data protection, Device security & Antivirus
Sector
Defence, SaaS, Monitoring, Sourcing, User Behavior, Website Security, Core AI, Automated Process
Technology
Artificial Intelligence
Business model
SaaS
Client focus
b2b

Funding history

5 recorded events

Company financing events and reported valuations.

Deal typeDateAmountValuationInvestorsSource
SERIES BOther financing Apr 2022 $27M $108M Global Brain Corporation · Jerusalem Venture Partners · Capital One Ventures · AllegisCyber Capital ↗
SERIES AOther financing May 2020 $11M $42M Jerusalem Venture Partners · Capital One · Connecticut Innovations · AllegisCyber Capital ↗
Showing the latest 2 of 5 recorded eventsBook a demo for the full funding history →

Financials

Revenue over time

Revenue, earnings and other financial measures where available. Years marked “E” are estimates.

YearRevenueGrowth
2026
2025
2024
2023
2022
2021
2020 —
Company filings, research estimates and Dealroom dataBook a demo for the full financial model →

Growth signals

Source Defense website traffic

Latest recorded traffic for Source Defense is 4.5K monthly website visits, up 9.8% over the last three months. Source Defense's team grew 6.5% over the past year.

Latest monthly visits4.5K 3-month web change+9.8% 1-year team growth+6.5%
Summary metrics are public; monthly history is available with a demoCompare with peers →

Similar companies

Closest operating peers by Dealroom taxonomy

Company identity and context are open; selected comparison metrics preview what is available on the platform.

Showing 8 of the closest matchesCompare every metric →

Investments and acquisitions

Capital deployed

Recent portfolio relationships for companies that also act as investors or acquirers.

Investors

8 investors on the cap table

From Dealroom's funding and investor records, grouped by the round each investor first entered.

Series A8 investors entered at this stage

  • Jerusalem Venture Partners
  • Connecticut Innovations
  • AllegisCyber Capital
  • Capital One
  • Global Brain Corporation
  • Springtide Ventures
  • Capital One Ventures
  • NightDragon
Team profiled 14 named & role-tagged
Founders Hidden — book a demo/100 quality score
Key operators 4 quality Hidden — book a demo/100
Potential founders Hidden — book a demo likely future founders
Startup mafia Hidden — book a demo alumni-founded startups
Talent movements Hidden — book a demo in · Hidden — book a demo out past 12 months

Source: Dealroom Talent Intelligence.

Global footprint

Workforce and web traffic by country
Workforce by country
3 countries with
team presence
🇮🇱 Israel57.5%
🇺🇸 United States40%
🇨🇿 Czech Republic2.5%
3 countries shown

Market sentiment

Posts on X, past 7 days

An AI-synthesised read of the highest-engagement posts about Source Defense on X, ranked by likes and reposts, corporate channels excluded.

Reading the room on X — pulling top posts and synthesizing themes…

Source: X recent search ranked by engagement (likes + retweets) · Synthesis by Claude · Cached for 1 hour

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