Fraud Detection in Banking: The Role of Payment Data Enrichment

Explore more about how payment data enrichment can enhance banks' ability to detect fraudulent activities in real-time.

Zuhra Burkitbayeva
Head of Digital Marketing
Fraud Detection in Banking: The Role of Payment Data Enrichment

Fraud prevention has become one of the biggest priorities for banks and fintech companies. As payment volumes continue to grow across digital channels, fraudsters are becoming more sophisticated, making it increasingly difficult to distinguish genuine customer activity from suspicious behaviour. That’s why fraud detection in banks is more important than ever.


Traditional fraud detection models rely on transaction data such as the payment amount, timestamp, merchant descriptor and merchant category code (MCC). While these signals remain important, they don't always provide enough context to make accurate decisions in real time.

This is where payment data enrichment adds value; a process that augments raw transaction data with contextual information, greatly enhancing its analytical value and improving the overall banking experience. By enriching transactions with accurate merchant, category and location information, banks can give their fraud detection systems a much clearer picture of each payment.

When combined with behavioural analysis, device signals, and external threat intelligence, enriched transaction data helps financial institutions make more informed fraud decisions while reducing unnecessary friction for genuine customers.

Why Traditional Fraud Detection Isn't Always Enough

A payment may appear suspicious for several reasons. The transaction value could be higher than usual, the merchant may be unfamiliar, or the purchase may originate from a different country.

However, none of these factors alone necessarily indicates fraud. A customer may simply be travelling, making a large one-off purchase or shopping with a retailer they have never used before.

Likewise, fraudsters increasingly exploit transactions that appear perfectly normal on the surface. If a fraud detection system only evaluates basic transaction fields, it may struggle to distinguish genuine activity from account takeover, card testing or other forms of payment fraud.

Improving transaction data analysis means looking beyond the raw payment record and adding more context before making a decision.

Examples of purchase notifications sent to a mobile phone
The bank can send personalised notifications about recent purchases as a confirmation, as well as location-based offers.

How Banks Use Payment Data Enrichment for Fraud Prevention

Payment data enrichment gives fraud systems more information about the payment before it is evaluated.

Rather than analysing only the transaction amount and an abbreviated merchant descriptor, banks can also assess the merchant identity, business category, location and other contextual information.

A typical fraud prevention workflow looks like this:


1. Enrich the payment

The raw transaction is matched to a recognised merchant and enhanced with structured information such as the merchant name, category and location.

2. Compare with customer behaviour

The enriched transaction is analysed alongside the customer's previous spending patterns. Has the customer visited this merchant before? Is the purchase consistent with their usual spending habits?

3. Add location and device signals

Merchant location, recent transaction history, device information and authentication events provide additional context to determine whether the payment appears consistent with normal customer behaviour.

4. Combine with fraud intelligence

The enriched transaction can be analysed alongside fraud rules, machine learning models and external threat intelligence, helping the bank identify known attack patterns or suspicious activity that may not be visible from the payment alone.

5. Generate a risk decision

The combined signals are used to approve the payment, request additional authentication or flag the transaction for investigation.

Payment data enrichment doesn't replace a bank's fraud platform. Instead, it improves the quality of the data entering that platform, allowing fraud models to make better-informed decisions.

How Location Data Strengthens Fraud Detection

Location is one of the most valuable contextual signals available to fraud teams, but it should never be assessed in isolation.

When payment data enrichment adds accurate merchant location information, banks can compare it with other signals to identify potentially suspicious activity.

For example, location data can help detect:

Impossible travel

If a customer appears to make two in-person purchases thousands of miles apart within a short period, the transactions may require additional verification.

Unexpected merchant locations

A transaction at a merchant in an unfamiliar city or country may contribute to a higher fraud score when combined with other unusual signals.

Suspicious ATM withdrawals

With device-based location signals, suspicious activity such as large ATM withdrawals can be detected in real time by verifying whether the customer’s device is physically close to the transaction location.

Clearer customer notifications

Displaying the merchant's recognised name, logo and location makes it easier for customers to identify genuine transactions and report unauthorised payments quickly.

Research from Google Maps Platform shows that financial institutions using geospatial data to verify customer identity have seen up to a 70% decrease in fraudulent transactions and a 45% decrease in fraudulent account setups. These improvements are driven by the ability to validate whether a customer’s location aligns with their transaction behaviour.

Location-based fraud detection is especially powerful when analysing transaction sequences. When used as part of a broader fraud strategy, geospatial intelligence helps banks move from reactive fraud detection to real-time prevention.

Statistics on the impact of adding geospatial data to mitigate fraud.
Source:Unlocking Value with Location Intelligence. An October 2020 commissioned study conducted by Boston Consulting Group on behalf of Google, 2020 (n=520)

Payment Data Enrichment and Threat Intelligence

Although they are often mentioned together, payment data enrichment and threat intelligence serve different purposes.

Payment data enrichment explains the transaction by identifying the merchant, business category and location behind the payment.

Threat intelligence provides information about known or emerging threats, such as compromised merchants, card-testing campaigns or malicious infrastructure.

When banks combine both sources of information, they gain a more complete understanding of risk.

For example, transaction enrichment may identify the merchant behind an unfamiliar payment, while external threat intelligence indicates that the merchant has recently been linked to fraudulent activity. Together, these signals help fraud teams make faster and more accurate decisions.

The Power of Enriched Transaction Data


Enriched transaction data empowers banks to identify suspicious patterns, such as purchases made in different geographical locations within a short time frame. This capability enables them to act swiftly, blocking unauthorised transactions before they can escalate into significant losses. Fraud detection for banks is thus significantly boosted by enriched transaction data.

Snowdrop's MRS API enriches raw payment data with detailed merchant information, including clean merchant names, categorisation, merchant logos and location data.

This enriched information can be integrated into a bank's existing fraud detection platform, giving rules engines and machine learning models better-quality data to assess each transaction.

As a Google Maps Premier Partner, Snowdrop also helps financial institutions enrich payments with accurate merchant location information, enabling additional fraud prevention use cases without changing their existing fraud infrastructure.

Rather than replacing fraud detection systems, the MRS API provides the contextual transaction data those systems need to make more informed decisions.

Key Takeaways

  • Payment data enrichment gives fraud detection systems more context by adding accurate merchant, category and location information to raw transaction data.
  • Enriched transactions help banks improve transaction data analysis by combining merchant context with customer behaviour, device signals and authentication data.
  • Location-based fraud detection is most effective when used alongside other fraud signals, such as behavioural analysis, rather than as a standalone indicator.
  • Threat intelligence complements payment data enrichment by identifying known fraud campaigns, compromised merchants and emerging threats.
  • Payment data enrichment doesn't replace fraud detection systems, it strengthens them by providing better-quality data for rules engines and machine learning models.
  • Reducing false positives is just as important as detecting fraud. More contextual transaction data helps banks apply additional verification only when it's genuinely needed.

Frequently Asked Questions

How do banks use enriched transactions for fraud prevention?

Banks enrich raw transaction data with merchant, category and location information before analysing it alongside customer behaviour, device signals and fraud models. This provides more context for real-time fraud decisions.

How does payment data enrichment improve fraud detection?

Payment data enrichment helps fraud systems understand who received the payment, what type of business it was and where the transaction took place. These additional data points improve transaction data analysis and support more accurate fraud prevention.

Why is merchant location useful for fraud prevention?

Merchant location provides additional context that can help identify unusual spending patterns, impossible travel scenarios and suspicious ATM activity. It is most effective when combined with behavioural and device-based signals.

What's the difference between payment data enrichment and threat intelligence?

Payment data enrichment explains the transaction itself by adding merchant and location context. Threat intelligence provides information about known fraud campaigns, compromised infrastructure and emerging threats. Together, they support more informed fraud detection decisions.