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winfunc
Financial Services

Security for Financial Services

Protect financial applications from transaction fraud, data breaches, and compliance failures.

Financial services applications handle the most sensitive data and highest-value transactions. Winfunc understands payment flows, authentication chains, and financial business logic — detecting race conditions in transactions, authorization bypasses in fund transfers, and data exposure risks that generic scanners miss.

How Winfunc Helps

TOCTOU and race condition detection in payment and transfer flows
Authorization bypass detection in financial transaction endpoints
PCI DSS compliance mapping with audit-ready evidence
Sensitive data exposure analysis — PII, PAN, account numbers
API security for banking and fintech integrations
Session fixation and replay attack detection
Price manipulation and business logic exploitation testing
Cryptographic implementation review — key management, token generation
Real-time scanning on every commit to maintain continuous compliance

Transaction Security

Winfunc models your application's financial flows — deposits, transfers, withdrawals — and tests for race conditions, double-spend vulnerabilities, and authorization gaps that could lead to financial loss.

PCI DSS Compliance

Automated mapping of findings to PCI DSS requirements. Generate evidence packages for your QSA with finding details, remediation status, and verification proofs.

Fraud Prevention

Detect business logic flaws that enable price manipulation, coupon abuse, reward exploitation, and unauthorized fund movements. Every finding includes a proof-of-concept demonstrating the attack.

Continuous Compliance

Security scanning on every commit ensures your application never drifts out of compliance. Alerts fire the moment a change introduces a PCI-relevant vulnerability.

Ready to secure your codebase?