Please provide a description of your company in 50 words or less.
Source Defense is the pioneer and market leader in client-side security and data privacy. It protects sensitive data at the point of input—inside the browser—where modern web attacks occur. By controlling third-party digital supply chain risk, Source Defense extends security beyond the network to safeguard websites that collect sensitive information.
Why did you join RSPA?
To connect with the community of Resellers that focus on a shared demographic and deliver security solutions to solve complex challenges this specific demographic face.
What are the core values of your company?
1. Protect What Matters
We protect sensitive data where it is most vulnerable—at the point of interaction. Every decision we make starts with safeguarding our customers, their users, and the trust that powers digital commerce.
2. Prevent, Don’t Just Detect
Security should stop attacks before damage occurs. We believe prevention is more valuable than alerts, and we build solutions that proactively eliminate risk rather than simply report it.
3. Make Complexity Simple
Cybersecurity and compliance are difficult enough. We strive to deliver powerful solutions that are easy to deploy, easy to manage, and practical for real-world teams.
4. Lead Through Innovation
As pioneers in client-side security, we challenge conventional thinking, anticipate emerging threats, and continuously innovate to stay ahead of attackers and industry change.
5. Earn Trust Through Expertise
We believe credibility is built through knowledge, transparency, and results. Our customers, partners, and industry peers rely on us to provide guidance grounded in experience and evidence.
6. Succeed Together
The best outcomes come from collaboration. We work closely with customers, partners, assessors, and industry leaders to solve complex challenges and strengthen the security of the bro
What verticals do you serve?
Retail & eCommerce
Financial Services
Healthcare
Travel & Hospitality
Ticketing & Entertainment
Software & SaaS
Government & Public Sector
Utilities
Education
What products/services do you provide?
1. Source Defense Protect
Flagship prevention platform
Protect is Source Defense’s core client-side security solution. It uses patented JavaScript sandboxing and behavior-based controls to prevent malicious script behavior in real time. It protects sensitive data at the point of input and helps organizations meet PCI DSS 4.0.1 requirements 6.4.3 and 11.6.1.
Key Capabilities:
Real-time JavaScript sandboxing
Script inventory and authorization
Third- and fourth-party script visibility
Data access controls
eSkimming prevention
Credential harvesting prevention
Privacy protection
PCI DSS compliance support
2. Source Defense Detect
Monitoring and discovery platform
Detect provides visibility into client-side risk by discovering scripts, monitoring behaviors, identifying changes, and supporting compliance activities. Unlike Protect, Detect focuses on visibility and monitoring rather than active prevention.
Key Capabilities:
Script discovery
Inventory creation
Change detection
Compliance monitoring
Risk assessment
Alerting and reporting
Name one fun fact that makes your company different from others.
Source Defense didn’t just enter the client-side security market—it created it. The company brought the first eSkimming security solution to market in 2016, years before PCI DSS made client-side security a compliance requirement.
What is the most encouraging thing you see for the future of the retail IT industry?
For the retail IT industry, the most encouraging trend is the convergence of security, customer experience, and operational efficiency.
Historically, retailers often had to choose between innovation and security. Today, modern technologies are making it possible to achieve both simultaneously.
Connect with us:
The best point of contact is Alexa Karacostas.
Email: alexa.kar@sourcedefense.com



