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c/side is a commercial application security posture management tool by c/side. Source Defense Platform is a commercial application security posture management tool by Source Defense. Compare features, ratings, integrations, and community reviews side by side to find the best application security posture management fit for your security stack.
Based on our analysis of NIST CSF 2.0 coverage, core features, integrations, company size fit, here is our conclusion:
Payment processors and e-commerce platforms will find c/side's value in automating PCI DSS 4.0.1 compliance specifically for requirements 6.4.3 and 11.6.1, the two areas where most organizations struggle hardest with third-party script risk. The platform's 100% historical payload recording and CSP bypass detection give compliance auditors concrete evidence during chargebacks and assessments, which cuts remediation friction significantly. The weakness here is scope: c/side excels at client-side supply chain risks but doesn't address server-side dependency management or backend API poisoning, so teams needing full ASPM coverage will need another tool for those vectors.
Mid-market and enterprise teams managing high-risk web applications should pick Source Defense Platform if third-party JavaScript is your actual attack surface. The platform's real-time sandboxing and AI-driven detection of formjacking and keylogging attacks addresses a gap most ASPMs ignore, and its support for PCI DSS and GDPR compliance violations gives you the audit trail you need. Skip this if your threat model centers on server-side vulnerabilities or you need deep integration with your existing WAF; Source Defense is client-side focused, which is its strength and its limitation.
Client-side platform securing browser scripts, detecting fraud & ensuring PCI compliance.
Client-side security platform protecting against JavaScript-based threats
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Common questions about comparing c/side vs Source Defense Platform for your application security posture management needs.
c/side: Client-side platform securing browser scripts, detecting fraud & ensuring PCI compliance. built by c/side. headquartered in United States. 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 Platform: Client-side security platform protecting against JavaScript-based threats. built by Source Defense. headquartered in Israel. Core capabilities include External scanning and monitoring for client-side threats, AI-driven algorithm detection and alerting, Real-time JavaScript sandboxing and isolation..
Both serve the Application Security Posture Management market but differ in approach, feature depth, and target audience.
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