CASE STUDY

Cogent Bank Prevents Over $400k in Check Fraud Loss With Dark Web Monitoring

Case Management Screenshot

Proactive Monitoring

98% of checks found had not yet been cleared

Cost Saving

Prevented $400K+ of customer fraud loss

Historical Correction

12-month lookback to reveal historical exposure
UNIT21 PRODUCTS USED
Transaction
Monitoring
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Dark Web Monitoring
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Real-Time Payment
Fraud Prevention
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“With Unit21, monitoring the dark web, we’ve stopped over $400K in check fraud loss. This provides us with a whole new level of customer trust.”
Holly Ashford
SVP, Director of Deposit Operations

Company Facts

assets
$2 Billion
Location
9 Florida Branches
Found
2018
THE PROBLEM
Reactive Management of Alterations and Counterfeit Checks Leads to a Spike in Check Fraud
Cogent Bank, a financial institution operating primarily in Central Florida, focuses on deposit operations and fraud prevention. One of the bank's goals is to adopt innovative technologies to enhance banking operations and safeguard customer transactions against fraud.

Cogent Bank faced a growing threat from check fraud, particularly involving counterfeit checks, alterations, and stolen mail. Their existing fraud detection systems — based on a manual review process within the core — lacked the ability to track how fraudsters were obtaining and using customer checks. 

In fact, a single team member manually reviewed 80% of the bank’s 20,000 monthly checks, which was a resource-intensive and unscalable process that could not keep pace with modern fraud tactics.

"Most of our check fraud prior to Unit21 had been alterations, counterfeits, and mail fraud. Most worrisome though, was that we were missing how these checks were getting into the hands of fraudsters,” recalls Holly Ashford, SVP, Director of Deposit Operations.

TLDR: Problems

  • Surge in check fraud, especially via alterations, counterfeit checks, and stolen mail
  • No visibility into how fraudsters were obtaining customer checks
  • Manual fraud detection — 80% of 20,000 monthly checks were reviewed by hand
  • Lack of tools for early detection or proactive customer advisories
WHY UNIT21
Simple Overlap on Existing Tooling, Zero Implementation Time, & Immediate Customer Impact
Recognizing the need for a proactive and intelligent solution, Cogent Bank turned to Unit21 for comprehensive transaction monitoring and dark web monitoring capabilities. The solution was deployed rapidly and integrated seamlessly with their existing systems, including their core platform.

“Dark web monitoring had no implementation time, and we were able to run a 12-month look back to reveal historical exposures. This allowed us to block fraudulent checks before they were sold or cashed. Without Unit21, we would have never known those checks were out there until it was too late. ” recalls Holly Ashford, SVP, Director of Deposit Operations.

TLDR: Why Unit21

  • Seamless overlay with the existing tool
  • Zero downtime; implementation took minutes
  • Enterprise-wide use and buy-in from multiple departments.
  • Easy user experience and strong customer impact.
“Adding dark web monitoring to our deposit operation has been a game-changer. In fact, 49 of 50 checks flagged were stopped before loss, saving us over $400K in losses."
Holly Ashford, SVP, Director of Deposit Operations
THE RESULTS
Prevention of $400k+ in Fraud Loss Leads to Increased Customer Trust & Adoption of Check Verification Service, Positive Pay
The adoption of Unit21’s Dark Web Monitoring transformed Cogent Bank’s fraud prevention strategy. The solution integrated seamlessly with existing systems and delivered daily  alerts on exposed checks, enabling the bank to intercept fraud before checks cleared — ultimately preventing over $400,000 in losses.

With intuitive access via Unit21’s platform, Cogent’s team could efficiently manage alerts through a streamlined queue, reducing operational workload and complementing their existing fraud tools without requiring complex integration.

Unit21’s dark web alerts gave Cogent Bank a compelling trigger to introduce and upsell Positive Pay, a fraud prevention service that verifies check details before payment. By showing customers actual images of their compromised checks found on the dark web, the bank was able to clearly demonstrate the urgency and value of enrolling in Positive Pay. This approach not only enhanced fraud protection but also deepened customer trust and created a natural path to promote additional fraud prevention services.

TLDR: Results with Unit21

  • 50 dark web alerts triggered between July 2024 and January 2025.
  • $400k+ loss prevented, with 98% of flagged checks stopped before clearing.
  • Post-dated check detected and voided proactively.
  • Customers migrated to Positive Pay, reducing future fraud risk.
  • High operational ROI through fraud cost reduction and reduction of manual workloads with an intuitive queue system.
  • 12-month historic lookback identified previously missed exposures.
“Unit21’s Dark Web Monitoring is a no-brainer. With zero implementation, a 12-month lookback of what’s out there, and proactively preventing customer loss, it’s one of the most cost effective investments we’ve made.”
Holly Ashford, SVP, Director of Deposit Operations
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