PCI (Payment Card Industry Security Standard)_Req 4.1.1

PCI (Payment Card Industry Security Standard)

Encrypt transmission of cardholder data across open, public networks

Req 4.1.1

4.1.1 Ensure wireless networks transmitting cardholder data or connected to the cardholder data environment use industry best practices to implement strong encryption for authentication and transmission.

Malicious users use free and widely available tools to eavesdrop on wireless communications. Use of strong cryptography can help limit disclosure of sensitive information across wireless networks. Strong cryptography for authentication and transmission of cardholder data is required to prevent malicious users from gaining access to the wireless network or utilizing wireless networks to access other internal networks or data.


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