Card Tokenization

What is Data Tokenization?

Learn what data tokenization is, how it works, and how the tokenization of data can protect sensitive payment information.

Written by
Andy McHale
Publication Date
December 16, 2024
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What is Data Tokenization?

With the ever-increasing threat of cyberattacks and data breaches, the need to protect sensitive payment information has never been greater. Data tokenization is one such technology that plays a critical role in securing payments. But what is data tokenization, how does it work, and why is it so important for payment systems?

The following blog goes into questions such as, explaining what tokenization is, how it works, and what are its major benefits in the sphere of payment security. Further, some real-world examples of tokenization in action, the risks of not implementing tokenization, and additional use cases beyond payments are provided. At the end, we will compare tokenization with encryption to make it crystal clear how each fits into a robust data security strategy.

What is Data Tokenization?

Data tokenization, is a security method wherein sensitive data, such as credit card numbers, are replaced with a nonsensitive equivalent, or "token." This token is a random string of characters that has no intrinsic value and cannot be reversed to reveal the original data without access to a secure database or "token vault."

For example, if the credit card number of a customer is 1234 5678 9012 3456, this number would be replaced with some kind of randomized token such as AB12 XY34 Z789 456Q. Even though an interceptor manages to get his hands on the tokenized data, it is useless without the key to the original data stored safely.

Where encryption works on mathematical transformation of data and can be decrypted, tokenization ensures that the actual data is neither sent nor stored anywhere, reducing the chances of any data breach to a great degree.

How It Works

Tokenization is a rather simple process but very effective. Here's a basic breakdown of how it works in payments:

  1. Capture and Tokenize: Customer sensitive information is captured at the time of a payment and sent immediately to a tokenization service provider.
  2. Token Creation: The provider replaces the sensitive data with a unique token. This token is stored in the company's system instead of the original data.
  3. Secure Vaulting: The sensitive information is kept securely in a token vault with the provider of tokenization.
  4. Token Usage: The business uses the token instead of real data for a transaction, reporting, or analytics. In case actual data is needed, it can be securely retrieved by an authorized entity from the vault.

By only making sensitive information never disclosed in a transaction, tokenization greatly reduces liability in case of theft or fraud.

Why It's Important for Payments

Security of payment is a keen issue that all business entities put into consideration, especially with this digital commercial growth. In addition, such a breach in data on payment is actually very destructive to the financial records, reputation, and consumer trust.

Tokenization can have a lot of benefits when it comes to payment processing:

  • Minimal Risk of Data Breaches: Since sensitive payment data is never stored or transmitted in its original form, even in the event of a breach, the data is unusable to hackers.
  • PCI Compliance: With tokenization, businesses reduce the amount of sensitive information they store; thus, tokenization eases their path toward compliance with Payment Card Industry Data Security Standards—or PCI DSS.
  • Cost Savings: Minimizing the compliance scope to PCI DSS alone has, by default, saved money on audit costs and security infrastructure.
  • Increasingly Trustful Customers: Consumers are getting conscious of security risks. It, in turn, will raise the confidence level in offering tokenized payment systems and encourage customer loyalty.

Examples of Tokenization of Payment Data

Tokenization is used literally everywhere across industries, but its usage is particularly crucial in the field of payments. Here are some examples of where tokenization plays a key role:

  • E-commerce Websites: Tokenization takes place when a customer makes online purchases; the card information is replaced with tokens to protect sensitive data during checkout.
  • Mobile Wallets: Apple Pay and Google Pay are examples of services that tokenize credit card information so that customers can make payments without revealing their actual card numbers.
  • Recurring Payments: Subscription services, of which Netflix and Spotify are excellent examples, use tokenization for recurring payments. These services make sure that your card information remains secure while the monthly transaction processes smoothly.

What Happens if You Don't Tokenize

Without the implementation of data tokenization, an organization opens itself up to serious security, compliance, and reputational risks. If the payment data is not tokenized, it remains open to hacking and other misuse by cybercriminals during storage or transmission.

Besides the immediate financial loss involving breaches, there are even legal penalties due to non-compliance with PCI DSS standards. Furthermore, a breach could severely erode customer trust, which is hardly recoverable in the long run. Moreover, the cost of implementing security measures retroactively and addressing compliance issues is often much higher compared to proactive adoption of tokenization.

How Spreedly Can Help

One-stop integration of a tokenization solution may seem a bit high maintenance, but that is where Spreedly comes into place. Being one of the leaders in payment orchestration, Spreedly has strong tokenization solutions that integrate with your payment stack to guarantee protection of sensitive information of your customer at all times.

Spreedly's open payments platform offers:

  • Secure Tokenization at Scale: When you process transactions, our platform efficiently tokenizes payment data and reduces the risk of data exposure.
  • PCI DSS Compliance: Simplify the scope of your PCI DSS 4.0 compliance by leveraging Spreedly's secure infrastructure, so you can focus on growing your business without having to handle complex security regulations.
  • Multi Payment Gateway: On Spreedly, this network allows payment data once tokenized to be propagated over several gateways and/or several payment processors. Security maintains flexibility.
  • Fraud Prevention and Risk Management: Spreedly minimizes your exposure to fraud by tokenizing payment data, saving your business and customers from the financial and reputational damage of data breaches.

With Spreedly, businesses can enhance security for payments, make compliance easier, and build consumer trust through secure and efficient tokenization practices.

Other Use Cases of Tokenization of Data

While the most visible application of tokenization is payment security, this technology extends to a variety of other use cases involving sensitive data. Tokenization is used across a wide range of industries beyond payments, securing critical information and ensuring safety without sacrificing functionality.

Examples of where tokenization secures include patient records in healthcare, enabling organizations to meet a host of requirements under HIPAA without disrupting research and care coordination. Governments and public sector organizations keep tax records and voting data safer using tokenization. Companies go so far as to tokenize customer PII and IP to keep sensitive information out of the reach of hackers.

All these use cases, representing the many faces of tokenization, are able to solve modern challenges of data protection.

Is Encryption the Same?

Tokenization and encryption are commonly interchanged, but these are two different methods of security serving different purposes. Being able to understand the difference between them will enable businesses to apply the right approach that will suit their needs.

Encryption uses mathematical algorithms that change the data into unreadable format, which can be restored with the use of a decryption key. It is ideal for securing data in transit, such as emails or communications over the internet. In tokenization, however, the original data is replaced with a randomized token that has no direct mathematical relationship to the original information. Unlike encryption, tokenization is especially effective at securing static data, such as stored records or payment credentials.

Other differences are in the complexity degrees: encryption requires extensive key management systems and sophisticated computational resources for large datasets; tokenization, while less complicated to implement in regard to specific use cases, completely eliminates the storing and transmitting of sensitive data. The place of both methods is supposed in the overall strategy directed to protection of data security and are better fitted for certain scenarios.

Secure Your Payments with Data Tokenization

E-commerce growth has brought the need for increased protection of sensitive payment information to the fore. One of the key solutions in the modern strategy of payment security is data tokenization. This approach helps an organization minimize breach risks, simplify compliance, and develop trust with customers by substituting sensitive data with tokens. Other than in payments, tokenization creates value in industries such as health, government, and customer data protection, proving versatile and effective.

Specific to payments, Spreedly offers data-agnostic tokenization, allowing merchants to store and use both network tokens and secure, vaulted primary account number (PAN) tokens. This approach provides flexibility for businesses to leverage their choice of token type depending on the payment processor's capabilities. Key features of Spreedly's data-agnostic tokenization include:

  • Compatibility with multiple payment service providers (PSPs) and gateways
  • Ability to store both network tokens and PAN tokens in a central vault
  • Option to route transactions using either the network token or the underlying PAN, depending on gateway support
  • Integration with Mastercard's MDES for Merchants (M4M) for network tokenization
  • Improved authorization rates and enhanced security for card-not-present transactions

This agnostic approach allows merchants to future-proof their payment systems, easily switch between PSPs, and optimize their payment strategies based on specific business needs.

Tokenization is not just a protection, but it even empowers security and efficiency in business operations. With tokenization, organizations position themselves for success in a data-driven, security-aware world.

Request a demo today to see how Spreedly's network tokenization and vaulting solutions can improve your security and make your operations run more efficiently.

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