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Fraud Detection for Fintech

Stop Synthetic Identity Fraud & Fake Account Creation

Fintech platforms are prime targets for synthetic identity bots that pass KYC then drain accounts. Maskbreak detects fraud at the device layer — before identity verification even begins.

< 40msResponse time globally
Free1,000 requests/hour — no card, no expiry
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400+Device signals per session

What Fintech platforms face in 2026

Synthetic identity bots passing KYC

AI-powered bots submit fake identity documents and pass automated KYC checks. By the time fraud ops investigates, ACH transfers have already cleared.

Fake account farming for bonus abuse

Attackers use antidetect browsers and residential proxies to create hundreds of accounts, claim signup bonuses, and cash out — each account appearing as a unique legitimate user.

Account takeover via credential stuffing

Bots using rotating residential proxies test millions of leaked credential combinations against login forms — invisible to IP-rate-limiting defenses.

Money mule account networks

Coordinated fake accounts that look unrelated are actually linked through device fingerprints. Traditional fraud tools miss the connection; Maskbreak surfaces it.

What Maskbreak does for you

  • Detect automation and bot signals before KYC submission
  • Identify antidetect browsers used to spoof device identity
  • Stop credential stuffing without blocking legitimate login attempts
  • Link fake account networks by device fingerprint across different IPs
  • Score sessions in under 40ms server-side — fast enough for any real-time decisioning flow

Where Maskbreak fits alongside identity verification

Maskbreak is not an identity verification provider — it's the fraud-prevention layer that sits in front of one. Fintechs and financial institutions typically pay their identity verification API per check: document verification, biometric liveness detection, database lookups. When bots and synthetic identities flood customer onboarding, you pay full price to verify applicants that were never real. Maskbreak risk-scores every signup in real time — under 40ms server-side — before the expensive verification step, so automated fraud never reaches your KYC flow. Genuine applicants sail through automated identity verification, manual reviews shrink, and regulatory compliance gets easier because synthetic identities are filtered at the front door.

97%

reduction in fake account fraud in our illustrative composite fintech scenario — €28K in bonus-fraud exposure cut to under €1K per campaign

[ Read Full Case Study ]

Where the check goes

The highest-value call sites: onboarding start (before KYC spend — every synthetic applicant you screen out saves a verification fee) and login (where account takeover happens). Many teams also re-evaluate at sensitive actions like payout changes and beneficiary additions.

// Screen applicants before paying for KYC verification
const verdictRes = await fetch('https://maskbreak.com/v1/evaluate', {
  method: 'POST',
  headers: {
    'Authorization': 'Bearer ' + process.env.SENTINEL_KEY,
    'Content-Type': 'application/json'
  },
  body: JSON.stringify({ token: req.body.sentinel_token })
});
const risk = await verdictRes.json();
if (risk.decision === 'block') return res.status(403).json({ error: 'Application declined' });
if (risk.decision === 'review') flagForReview(risk.reasons);

The signals that matter for fintech

Anonymizers at onboarding are not the same as anonymizers at login. A privacy-conscious customer logging in over a VPN is normal. A brand-new applicant starting KYC behind a residential proxy is a review-tier event — proxy-masked onboarding is the front door of synthetic identity fraud. Maskbreak returns the raw signals so your policy can treat those two moments differently.

Devices expose synthetic identities. Fabricated identities pass document checks precisely because the documents are consistent. What isn't consistent: the same hardware opening accounts for six "different people". The cross-account device graph catches what the KYC vendor structurally cannot.

Session integrity against account takeover. Device-bound session signals plus re-evaluation at sensitive actions mean a stolen session cookie stops being enough — the attacker's device doesn't match the session's history, and the risk score reflects it in real time.

An audit trail your compliance team can use. Every verdict comes with its reasons — the flags that fired and the score they produced — so blocked applications and step-up decisions are explainable in reviews rather than "the model said so".

Common questions

How does Maskbreak detect synthetic identity fraud?
Maskbreak fingerprints the device, network, and behavioral layer — over 400 signals per session — before KYC begins. Automation, antidetect browsers, and residential-proxy traffic are flagged in under 40ms server-side, stopping synthetic identities at the front door rather than after funds have moved.
Will Maskbreak block real customers using VPNs?
No. Maskbreak returns a risk score instead of a block decision. Fintechs typically allow low-risk VPN traffic but trigger step-up verification (2FA, document check) on high-risk sessions — preserving conversion while cutting fraud.
Is Maskbreak compliant with financial regulations?
Yes. Maskbreak processes device and network signals only — no PII is required. Data is encrypted in transit and at rest, and the API supports GDPR, PSD2-SCA, and standard KYC/AML pipelines.
How fast can a fintech integrate Maskbreak?
Most teams ship a working integration in under an hour. Drop the JS tag on signup and login flows, then call the REST API for the risk score. SDKs exist for Node.js, Python, PHP, Ruby, Go, and Java.
What results have fintechs seen with Maskbreak?
Fintech teams typically see fake-account fraud and bonus-abuse exposure fall sharply within the first weeks of deployment, with risk-based step-ups keeping friction low for legitimate applicants. We don't publish per-customer numbers — results depend on your fraud mix and where you place the checks.

Start protecting your fintech platform

Free tier: 1,000 requests/hour. No card, no expiry. Detects residential proxies, antidetect browsers, and AI bots.

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