PCI DSS Primary Account Number (PAN) Masking & Truncation Auditor
Audits credit card primary account number (PAN) masking and truncation compliance against PCI DSS Requirement 3.3.
Notice: engineering verification utility. Use test or de-identified data and verify results independently before relying on them.
How it works
Standard: PCI DSS v4.0 Requirement 3.3 PAN Masking & Truncation
Formula: Verify PAN display shows no more than first 6 and last 4 digits (e.g., 411111******1111)
Checks: Valid PAN masking format check
Calculated locally in browser memory; nothing leaves your browser.
Deterministic local-first client-side execution. Provided as-is without warranty.