What Does Source Defense Do?

Total employees47
HeadquartersRa'anana
Founded2014

Source Defense is a cybersecurity company focused on preventing client-side attacks on websites. Their platform provides comprehensive protection against vulnerabilities arising from third-party JavaScript, safeguarding sensitive user data and ensuring a secure online experience. They offer solutions for organizations of all sizes seeking to mitigate the risks associated with client-side threats.

Where Is Source Defense's Headquarters?

Source Defense officeSource Defense officeSource Defense officeSource Defense office
*Images sourced via web search. Rights belong to original owners

HQ Function

Serves as the central hub for company leadership, research and development, sales, and marketing operations.

Notable Features:

Likely houses modern office spaces equipped with advanced technology infrastructure to support cybersecurity research and development.

Work Culture:

Likely fosters a collaborative and innovative environment, reflective of the dynamic cybersecurity landscape. Expect a fast-paced, results-oriented culture with a focus on problem-solving and continuous learning.

HQ Significance:

The headquarters location in a major Israeli tech center provides access to a skilled workforce and a thriving ecosystem of cybersecurity innovation.

Values Reflected in HQ: The headquarters likely reflects Source Defense's values of innovation, security, and customer focus, with a modern and secure office environment.

Location:

Source Defense provides its client-side security solutions to customers worldwide, supporting sales, marketing, customer support, research and development, and threat intelligence operations globally.

Street Address:

Atir Yeda St 4, Ra'anana

City:

Ra'anana

State/Province:

Central District

Country:

Israel

Where Else Does Source Defense Operate Around the World?

Boston, MA, USA

Address: Specific address unavailable, likely a smaller sales or business development office.

Serves as a key location for expanding Source Defense's presence and customer base in the US.

Buying Intent Signals for Source Defense

Highperformr Signals uncover buying intent and give you clear insights to target the right accounts at the right time — helping your sales, marketing, and GTM teams close more deals, faster.

Notable news
Hiring actively
Corporate Finance
Corporate Finance
Corporate Finance
Corporate Finance
Corporate Finance
*Example signal, not calculated in real time

Who's Leading Source Defense? Meet the Executive Team

As of April 2025, Source Defense' leadership includes:

Dan Dinnar - CEO
Guy Leibovitz - CTO & Co-Founder
Avi Avivi - CBO

Who's Investing in Source Defense?

Source Defense has been backed by several prominent investors over the years, including:

NightDragon
AllegisCyber Capital
Global Brain Fund

What Leadership Changes Has Source Defense Seen Recently?

Hire0
Exits0

Information about executive hires or exits in the last 12 months for Source Defense is not readily available. Publicly available information is scarce.

What Technology (Tech Stack) Is Used bySource Defense?

Discover the tools Source Defense uses. Highperformr reveals the technologies powering your target accounts — helping your sales, marketing, and GTM teams prioritize smarter and close faster.

Source Defense Email Formats and Examples

Source Defense's email format typically follows a standard pattern for business communication.

[first].[last]@sourcedefense.com

Format

john.doe@sourcedefense.com

Example

80%

Success rate

What's the Latest News About Source Defense?

SecurityWeek • 2023-11-08

Client-Side Attack Surface Management Startup SourceDefense Snags $27M

Source Defense raised $27 million in Series B funding to expand its platform for preventing client-side website attacks....more

Help Net Security • 2024-02-27

Source Defense launches free browser extension for enhanced website security

Source Defense has launched a free browser extension to improve website security....more

Highperformr's free tools for company research

Explore Employees by Region or Country

See where a company’s workforce is located, by country or region.

View Funding Details

View past and recent funding rounds with amounts and investors.

Understand Revenue Insights

Understand company revenue estimates and financial scale.

Track Active Job Openings

Track active roles and hiring trends to spot growth signals.

Review Product and Offerings

Discover what a company offers—products, platforms, and solutions.

Get SIC or NAICS Codes

Get the company’s official SIC and NAICS classifications.

Analyze Website Traffic Trends

Analyze visitor volume, engagement, and top traffic sources.

Discover Social Profiles and Engagement

Explore LinkedIn, Twitter, and other active social profiles.

Identify Top Competitors

Identify top competitors based on similar business traits.

Research and Discover Companies with Highperformr — Smarter, Faster

Explore companies in depth — from the tech they use to recent funding, hiring trends, and buyer signals — all in one powerful view.

Highperformr AI helps you surface the right accounts and enrich your CRM with verified company and contact insights, so your teams can prioritize and engage faster.

  • Track intent signals to find buyers who are actively in-market
  • Enrich contacts and companies instantly, no need to switch tools
  • Automate workflows to stay ahead of every change
  • Connect your CRM & tools for seamless data sync and activation

Thousands of companies, including Source Defense, are just a search away.