Enzoic BIN Monitoring as a Fiserv Fraud Solution Enhancement
Financial institutions today face relentless pressure from payment card fraud. Even with strong fraud mitigation programs such as the ones from Fiserv, card issuers often find themselves reacting to fraud rather than preventing it. Protective tools, including Fiserv’s CardTracker for compromised card management, are essential, but can benefit from additional signals of early payment card compromise. In this post, we explore how Enzoic’s BIN Monitoring provides real-time dark web intelligence to close the detection gap in traditional card fraud systems. By integrating Enzoic’s feeds via webhook or API, fraud teams can enhance workflows, catch threats sooner, and ultimately reduce fraud losses while improving the customer experience.
Card fraud continues to grow in scale and sophistication. Industry data shows a staggering fraud impact; for instance, each compromised payment card can cost issuers around $2,500 in fraud losses and associated costs. Fiserv has long helped financial institutions fight these losses through solutions like Card Risk Office and CardTracker. Card Risk Office provides consultative risk expertise and advanced technology to fight card fraud and mitigate losses, acting as a virtual risk management office for Fiserv clients. Meanwhile, CardTracker is a tool that tracks compromised cards identified in official network alerts (such as Visa CAMS or Mastercard alerts). CardTracker consolidates those alerts into one secure application and even provides daily reports of transactions on the affected cards. Banks use this information in their fraud workflows; for example, stepping up monitoring or initiating card replacements when a compromise is reported.
The challenge is that traditional fraud detection and compromise alerts inherently have a time lag. Network compromise alerts (like Visa’s CAMS notices) often arrive only after a breach is discovered and potential fraud has already occurred. Similarly, real-time fraud scoring systems can catch suspicious transactions as they happen, but they react to fraud rather than flagging exposure before fraud is attempted. This creates a detection gap: many card numbers are quietly stolen and sold on the dark web well before issuers or processors become aware. During this gap, fraudsters have a window of opportunity to test and use stolen card data without triggering immediate alarms.
Fiserv’s CardTracker is a valuable component of fraud workflows, helping issuers manage known compromised cards. When a breach at a merchant or processor leads to an alert from Visa or Mastercard, CardTracker logs all affected card numbers for that issuer and generates daily transaction reports for those cards. Fraud teams can use these reports to keep an eye on any usage of compromised cards and decide whether to block or replace them. In fact, when CardTracker is integrated with Fiserv’s real-time fraud detection engine (EnFact), the system can automatically create fraud cases or lower the risk score threshold for transactions on those compromised cards. This means the bank can more aggressively monitor accounts that are known to be at risk, catching fraudulent transactions that might slip by under normal screening criteria.
However, CardTracker’s limitation is that it relies on third-party alerts and known breach reports. It’s a reactive mechanism, you only know a card is compromised when someone else (such as the card network or a merchant) provides that alert. There’s a chance that hundreds or thousands of card numbers from your BIN (Bank Identification Number) could be circulating on criminal forums well before any official alert or fraud pattern brings them to light. In other words, traditional workflows might not see the danger until fraud actors have already started using the cards.
This is where the partnership of Fiserv’s proven fraud infrastructure with Enzoic’s dark web intelligence becomes so powerful. By filling in the gap with real-time data on compromised cards, banks can transform a reactive process into a proactive one.
Enzoic’s BIN Monitoring is designed to catch what traditional systems miss, it monitors the dark web and other illicit data sources for any sign of compromised card numbers from the BINs that a bank or credit union issues. A Bank Identification Number (BIN) is the first 6 to 8 digits of a card number that identify the issuing institution. Enzoic’s service allows an institution to simply subscribe the BIN itself (no sensitive customer data or full card numbers need to be shared) and then continuously scans for any card numbers from that BIN appearing in breach data or criminal marketplaces.
When Enzoic’s systems detect a match (meaning a card associated with that BIN has shown up in a fresh breach or dump of stolen data) the bank is immediately alerted. Enzoic provides a real-time alert with the full compromised card number and details of the exposure. This alert arrives as soon as the compromised data is found, often well before any fraudulent transaction occurs or any network alert is issued. By leveraging a continuously updated database of compromised card data sourced from both high-profile breaches and smaller underground leaks, Enzoic ensures that financial institutions aren’t left unaware of “low and slow” exposures that might not hit the headlines.
In practice, Enzoic’s BIN Monitoring acts like an early warning radar. It empowers banks and credit unions to act at the first sign of compromise (as soon as a card number is floating around in the wrong places) rather than waiting until fraud happens. This proactive approach is a novel shift from the industry’s largely reactive stance on card fraud. It means fraud teams can see the same information that criminals can see on the dark web and get ahead of them by stopping the fraudulent use before it ever starts.
One of the advantages of Enzoic’s solution is how easily it can be integrated into existing fraud mitigation environments like Fiserv’s. Enzoic delivers alerts in real-time through a secure, encrypted webhook, or alternatively through its API, which makes integration straightforward. In technical terms, subscribing to Enzoic’s BIN Monitoring involves setting up a webhook URL or API endpoint on the bank’s side; Enzoic will send a notification the moment a compromised card is discovered. This design means no manual data pulls or complex IT projects are required. The alerts are pushed to where they’re needed, when they’re needed.
Because Enzoic built BIN Monitoring with workflow integration in mind, it supports whatever process a financial institution prefers. Alerts can feed into a SIEM, a fraud case management tool, customer notification systems, or proprietary software. This means Fiserv and its clients don’t have to overhaul their operations to benefit from dark web intelligence, the data simply drops into the existing fraud workflow. The service was designed for flexibility so it can seamlessly slot into current infrastructure without heavy lifting.
Integrating Enzoic BIN Monitoring directly complements the CardTracker workflow. Currently, when CardTracker identifies compromised cards via network alerts, fraud teams might monitor those accounts more closely or create cases for investigation. With Enzoic in play, those teams gain an additional stream of high-value alerts that require similar attention, only much sooner. In effect, Enzoic’s alerts can serve as an early input to CardTracker (or the fraud analyst’s queue), so that a card might be flagged as compromised days or weeks before an official alert.
This early flagging allows issuers to treat at-risk cards with greater care immediately. For instance, an issuer could decide to proactively notify the cardholder and issue a new card before any fraudulent charge occurs, nipping the threat in the bud. Alternatively, if the institution’s policy is not to inconvenience the customer unless necessary, they could use Enzoic’s alert to increase monitoring on the account, much like CardTracker with EnFact does by lowering fraud detection thresholds for those cards. The bank could automatically route transactions from that card through enhanced fraud screening or require additional verification for large purchases. These tactics mirror what CardTracker already enables (more aggressive oversight of compromised cards), but now the oversight can begin as soon as the card number appears in a breach, not after the fact.
Importantly, none of this disrupts legitimate card usage for customers whose cards are safe. Enzoic’s intelligence is surgically targeted to cards that have truly been compromised, unlike some fraud rules that cast a wide net and occasionally snare good transactions. By focusing efforts on known exposures, banks can tighten security without generating false positives that frustrate customers. This intelligent targeting means fraud analysts spend time on genuine threats and cardholders experience fewer unnecessary declines or calls: a win-win for operational efficiency and customer satisfaction.
Combining Fiserv’s fraud solutions with Enzoic’s BIN Monitoring yields concrete benefits:
Fiserv has a strong legacy of fraud mitigation solutions, from Card Risk Office’s expert guidance to automated tools like CardTracker that operationalize fraud intelligence. By incorporating Enzoic’s BIN Monitoring into the mix, Fiserv can offer its clients an even more powerful defense against card fraud. This enhancement isn’t about replacing existing systems, but augmenting them to fill in critical gaps with real-time compromised card alerts that traditional sources don’t provide.
Enzoic’s solution presents an opportunity to strengthen the value of your fraud offerings without a heavy lift. The integration is simple and flexible, the data is immediately actionable, and the benefits resonate across what matters most to financial institutions: loss reduction, operational efficiency, regulatory compliance, and customer satisfaction..
Enzoic’s BIN Monitoring closes the loop on card fraud defense by delivering timely intelligence that empowers issuers to act decisively and ahead of the fraudsters. Coupled with Fiserv’s comprehensive fraud mitigation ecosystem, it creates a multilayered approach where no compromised card goes unnoticed. The result is a fraud strategy that is not only reactive and investigative, but also proactive and preventive. This translates to safer transactions for consumers, fewer fraud losses for banks, and a stronger reputation for security for any financial institution leveraging these combined capabilities.
AUTHOR
Josh Parsons
Josh is the Product Manager at Enzoic, where he leads the development and execution of strategies to bring innovative threat intelligence solutions to market. Outside of work, he can be found at the nearest bookstore or exploring the city’s local coffee scene.