Strategy Forensics Machine Learning

Adversarial
problem solving.
At scale.

Sentinel is a full-stack fraud advisory built for organizations that need more than advice — strategy, data science, forensics, and fractional leadership — deployed together from day one.

Bring us in Use Cases

99%

Across all fraud types. Six months.

8.7×

Auto-approval
rate boost

55%

OPEX reduction

Billions in verified fraud losses prevented.

We are

Built different.

World-Class Strategists

Fraud strategy built for the board room and the war room. We translate data into programs that execute, across prevention, detection, operations, and governance.

Forensic Investigators

We have spent careers inside the adversary's playbook. We trace attacks to their source and build controls that hold under sustained pressure.

III

Data Scientists

Production ML at global scale. We build the models, engineer the features, and ship the pipelines, with a track record of patented fraud detection innovation.

ML & AI Experts

Graph mining, gradient boosted trees, unsupervised anomaly detection, synthetic identity. The right method. No black-box dependency. No shelfware.

Full-stack capability

Plug in anywhere.
Deliver results
within weeks.

Most fraud programs are built in silos. Attackers aren't.

From signal to strategy. We enter at any level, integrate directly with your team, and deliver across every layer — data science, forensics, operations, and executive leadership. Results in weeks, not quarters.

Strategy Data Science Forensics ML & AI Fractional Leadership

Fintech

Program buildout, onboarding fraud, real-time payments, KYB/KYC design

Banking

ATO, ACH fraud, check fraud, synthetic identity, regulatory compliance

Crypto

Withdrawal fraud, fiat on-ramp abuse, ATO, sanctions screening, on-chain forensics

Marketplace

Seller fraud, buyer abuse, promotion rings, multi-accounting, merchant risk

Insurance

Claims fraud, provider fraud, disability investigation, workers' comp, SIU support

Enterprise

Program audit & transformation, ML uplift, fractional leadership, board strategy

Problems we solve

The full threat surface.

Identity Fraud

Synthetic & Third-Party Identity

Fabricated identities, credit washing, synthetic ID rings — detected at onboarding using behavioral signals, graph relationships, and document intelligence that rules alone cannot catch.

Account Security

Account Takeover & Credential Abuse

Session hijacking, SIM swap, credential stuffing, social engineering, ATO detection across the full session lifecycle. Sub-2 bps loss rates achieved in production.

Payment Fraud

Payment Fraud & Chargebacks

ACH fraud, card disputes, authorized push payment scams, P2P abuse, loss containment without destroying approval rates. 5 bps ACH chargeback loss rates achieved.

Business Identity

Business & Merchant Fraud (KYB)

Shell companies, beneficial ownership obfuscation, merchant category manipulation, deep KYB expertise that catches fraud without killing conversion.

Abuse & Exploitation

Promotion Abuse & Platform Fraud

Bonus farming, referral rings, multi-accounting, velocity abuse, organized fraud rings identified using network analysis and behavioral clustering.

Program Health

Fraud Program Gaps & Blind Spots

When losses are high but the cause isn't clear, rules audits, model reviews, vendor evaluations, data quality analysis, surface the gaps your current program cannot see.

About Sentinel

Forged in
production.

Sentinel was built by fraud practitioners who have operated inside the most demanding fraud environments in financial services. We know what it costs to get it wrong.

Fraud Strategy & Advisory

Program assessment

Controls architecture

Vendor evaluation

Decisioning frameworks

Root cause analysis

Board reporting

Fraud Modeling & ML

Model development

Feature engineering

Label strategy

Pipeline automation

Graph mining

Model monitoring

Fractional Leadership

Interim Head of Fraud

Cross-functional alignment

Team buildout

Investigations SOPs

Compliance coordination

Investor reporting

Approach

How
we
work.

Shaped by the threat. Delivered to the program.

Diagnose

We start with your data, your losses, and your stack. Every engagement begins with a clear picture of what is happening and where the exposure sits.

Design

Controls, models, and programs built for your specific threat landscape. The strategy reflects real tradeoffs: approval rates, loss tolerance, and operational capacity.

Build

Hands-on delivery alongside your team. Full knowledge transfer and tooling that runs independently after the engagement ends. We build programs that outlast us.

Sustain

Fraud evolves. We build monitoring, escalation paths, and review cadences so your program adapts continuously. The work stays current.

Contact

Bring us in.

Fraud programs don't fail slowly — they fail suddenly. If you're facing a threat, a gap, or a program that isn't performing — we want to hear from you directly. All inquiries are treated with discretion.

Generalcontact@sentinelfraud.io

Advisory Inquiriesadvisory@sentinelfraud.io

Adversarialproblem solving.At scale.