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winfunc
Financial Services

Vulnerability Scanner for Financial Services

Evaluate application-security findings with reproducible evidence across transaction flows, authorization, sensitive data, and financial APIs.

Financial services applications handle sensitive data and high-value transactions. Winfunc analyzes payment flows, authentication chains, and business logic for risks such as race conditions, authorization bypasses, and data exposure. A focused proof of value lets your team assess the relevance, reproducibility, and remediation quality of findings on a representative application.

How Winfunc Helps

TOCTOU and race condition detection in payment and transfer flows
Authorization bypass detection in financial transaction endpoints
PCI DSS review support with finding and verification 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
Scanning on code changes to identify newly introduced PCI-relevant risks

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 Review Support

Use finding details, remediation status, and verification evidence as inputs to your PCI DSS assessment workflow and QSA review.

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.

Proof of Value

Evaluate Winfunc on a representative application or service. Review whether findings are relevant, reproducible, mapped to the affected code and business flow, and accompanied by clear remediation guidance. Judge value by confirmed risk and developer effort — not alert volume.

See what Winfunc would find in your codebase.