Track business request volume, success volume,

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, while sensitive merchant/channel information includes merchant login/transaction passwords, channel certificate keys, etc.) Secure transmission of transaction information. Ensure the security of data transmission between the client and the payment system server, between the merchant system and the payment system, between the servers in the payment system and between the payment system and the bank. This includes the use of encryption technology and other measures to ensure data security during transmission. ) Protection against unauthorized access and rejection of transaction information. Ensure the integrity and authenticity of transaction information and prevent transaction information from being altered or rejected.



A typical transaction usually involves belgium email list four parties: users, merchants, payment institutions and banks. ) Prevention of fraudulent transactions. Identify and prevent fraudulent transactions, including illegal operations such as cash and money laundering, and protect the security of user assets by identifying leaks of user information and suspicious transactions. This aspect is usually the responsibility of the payment risk control system. 5) Service availability. Prevent DDoS attacks and ensure the stable operation and availability of payment system services. By implementing technical means such as firewalls and intrusion detection systems, we can timely detect and respond to possible DDoS attacks to ensure the normal operation of payment services.



Minimalist payment security picture Payment security is a comprehensive system project In addition to technical means, it is also necessary to establish a sound security system and a compliance system, and the latter two are usually ignored. The figure below is a minimalist version of the big picture of payment security, which contains key points to consider for payment security. illustrate: ) The system is the foundation. Which scenarios require encrypted storage, which algorithm should be used for encryption, the minimum number of bits required for the key length, and which scenarios require signature verification. All of this is clarified by the system.