QSA Approved · PCI DSS 4

Stop Payment Page Tampering. Stay PCI Compliant.

TamperDetect monitors your payment pages externally — no code required, no performance hit, fully PCI DSS 6.4.3 & 11.6.1 compliant.

Why TamperDetect Works

Three reasons security teams choose agentless monitoring

Out-of-Band Monitoring

Completely separate from your web server — attackers can't detect or disable it.

Zero Performance Impact

No scripts on your checkout page means no slowdowns, ever.

Audit-Ready Reports

Automated reporting satisfies requirements 11.6.1 and 6.4.3 out of the box.

Agentless vs. Agent-Based: At a Glance

AdvantageTamperDetectAgent-Based
Independent Monitoring✓ Cannot be disabled✗ Vulnerable if site is compromised
Installation Required✓ No code changes needed✗ Scripts on every page
Performance Impact✓ Zero impact✗ Slows checkout
Threat Detection✓ Real browser-level visibility✗ Limited to installed scope
Third-Party Script Monitoring✓ Full coverage✗ Often incomplete
PCI DSS 4 Compliance✓ Built-in audit reports✗ Manual effort required

What Our Customers Say

Trusted by security teams and QSAs across the industry.

Try TamperDetect Free for 30 Days

No contract. No code changes. No risk. Just compliance.

Learn More About Agentless Monitoring

Want to go deeper? Read our full breakdown of agentless vs. agent-based monitoring.

Book a Demo

Would you like to see TamperDetect live in action? Use the adjacent calendar to book a demo, ask questions, and evaluate our agentless payment page monitoring solution.

We’re confident that after seeing it in action, you’ll want to take advantage of our free trial offer and get it implemented on your payment pages to be PCI DSS 6.4.3 & 11.6.1 compliant.