Web App Pentest in Miami, FL
Miami's pentest demand comes from LATAM-facing fintechs, bilingual SaaS products, and a hospitality sector running multi-currency platforms. The threats are real — Miami fintechs handle high-volume cross-border payments — and the buyer's security posture has to clear an institutional review.
The problem with off-the-shelf pentest in Miami
Generic pentest shops do not understand bilingual auth flows, multi-currency dispute handling, or LATAM-payment routing edge cases. The integration patterns are different, the threat model is different, and the testing methodology has to reflect that.
Real web app penetration testing means manual application-layer attack against the actual workflow — authentication, authorization, IDOR, business-logic, payments, and SSO surfaces — with findings mapped to MITRE ATT&CK and OWASP ASVS. For Miami buyers specifically, that means engagements shaped for LATAM-facing fintech web app pentest.
What we ship for Miami buyers
Multi-currency payments pentest
Stripe, ACH, and presentment vs settlement currency edge cases. Race conditions, refund flows, dispute handling, and webhook signature validation.
Bilingual auth flow testing
ES/EN auth and session management testing — locale-switch attacks, language-driven IDOR, and i18n-related abuse.
LATAM payment-routing testing
PIX, OXXO, MercadoPago, and Stripe LATAM payment-method abuse testing.
Institutional-review-ready report
Architecture documentation, MITRE-mapped findings, and evidence formatted for an institutional buyer's due diligence.
Methodology
Reference engagements
Miami-relevant reference work includes ProtectWithBri (a client-facing portal handling sensitive communications) and the bilingual-friendly content sites in our portfolio. Same methodology — OWASP and ASVS-aligned testing, MITRE-mapped findings — applies to a Miami fintech web app or a multi-currency hospitality platform.
Reference work: Active Directory pentest case study, ProtectWithBri, and J5 Sales OS.
How we work remote from Georgia
QUANT LAB USA is founder-led from Macon, Georgia. William Beltz runs every pentest engagement from scoping through report walkthrough. Kickoff is a structured scoping session; active testing window is fixed up front; report walkthrough is on the call calendar from week one.
For Miami buyers, that means full Eastern-time overlap, fixed-scope contracting, and on-site work when scope warrants. Book a scope call to walk through your app and get a written estimate.
Pricing for Miami web app pentest
Miami web app pentest engagements typically scope between $15,000 and $45,000. Bilingual hospitality engagements mid-range; multi-currency fintech at the upper end.
We quote fixed-fee scope after a 30-minute scoping call. Engagements include kickoff, active testing window, draft report review, final report, and a focused retest of original findings. See our parent web app pentest page for the broader methodology.
What you get
- Executive summary + technical findings report
- MITRE ATT&CK technique IDs on every finding
- OWASP ASVS mapping for cross-reference
- Reproduction steps + remediation guidance
- SOC 2 CC4.1-ready evidence
- Focused retest of original findings included
Miami web app pentest FAQ
Bilingual auth flow testing?
Yes.
Multi-currency payment testing?
Yes.
Institutional buyer review?
Yes.
On-site Miami?
Yes for engagements that warrant it.
Fixed fee?
Yes.
Retest included?
Yes.
Related services
Penetration Testing
Network, AD, and full-scope engagements.
Network Pentest
Internal and external network testing.
Active Directory Pentest
Domain compromise simulation and AD review.
MITRE ATT&CK Assessment
Threat-model and detection-coverage review.
Secure SaaS Development
Same shop builds the app and runs the pentest.
Nearby cities we serve
Scope a real web app pentest in Miami.
Call William Beltz directly at (770) 652-1282 or book a 20-minute scoping call. Founder-led from kickoff to report.