# Security and Fraud Prevention
source: https://developer.mastercard.com/mastercard-gateway/documentation/security-and-fraud/index.md

In the continuously changing digital environment, strong security measures and effective fraud prevention strategies are critical. To protect businesses and payers from potential threats, Mastercard Gateway provides the following features that allow you to process payments securely and simplify fraud monitoring and detection:

* [Authentication](https://developer.mastercard.com/mastercard-gateway/documentation/security-and-fraud/authentication/index.md): Authentication is a tool that reduces fraud. With authentication, you can verify the identity of the payer, typically through a combination of usernames, passwords, and other personal identification methods. Its primary purpose is to protect against fraudulent activities by confirming that the person who is initiating the transaction is the cardholder or the account holder. The gateway supports EMV 3-D Secure, Token Authentication Service, and RuPay Payer authentication.
* [Tokenization](https://developer.mastercard.com/mastercard-gateway/documentation/security-and-fraud/tokenization/index.md): Tokenization protects sensitive card information by replacing the sensitive data with unique identification symbols, also known as tokens. Tokens retain all the essential information without compromising on security, and the gateway stores real data safely and securely in a token vault. The gateway supports Credential on File (CoF) tokenization through proprietary gateway tokenization and network tokenization.
* [Risk management](https://developer.mastercard.com/mastercard-gateway/documentation/security-and-fraud/risk-management/index.md): Risk management is a security feature that allows you to mitigate fraud effectively while processing e-commerce transactions. The gateway currently supports risk assessment of transactions through risk service providers.
* Mastercard Gateway also supports Address Verification Service (AVS) and device fingerprinting.