c/side vs Source Defense How it works: Side-by-Side Comparison (2026)

c/side: Client-side platform securing browser scripts, detecting fraud & ensuring PCI compliance. built by c/side. Core capabilities include Third-party script monitoring and inventory management, PCI DSS 4.0.1 compliance automation (requirements 6.4.3 and 11.6.1), Credit card skimming prevention..

Source Defense How it works: Client-side security for websites against 3rd party vendor attacks. built by Source Defense. Core capabilities include Real-time sandbox isolation technology, Protection against Magecart and Formjacking attacks, Automated and dynamic policy configuration..

Both serve the Runtime Application Self-Protection market but differ in approach, feature depth, and target audience.

c/side differentiates with Third-party script monitoring and inventory management, PCI DSS 4.0.1 compliance automation (requirements 6.4.3 and 11.6.1), Credit card skimming prevention. Source Defense How it works differentiates with Real-time sandbox isolation technology, Protection against Magecart and Formjacking attacks, Automated and dynamic policy configuration.

c/side is developed by c/side. Source Defense How it works is developed by Source Defense. Vendor maturity, funding stage, and team size can be important factors when evaluating long-term viability and support quality.

c/side and Source Defense How it works serve similar Runtime Application Self-Protection use cases: both are Runtime Application Self-Protection tools, both cover Web Security, Browser Security. Review the feature comparison above to determine which fits your requirements.