What is TLS and why is it important for PCI DSS?
- A.Transport Layer Security is a network firewall rule set that filters inbound ports, required by PCI DSS under Requirement 1 for segmenting the cardholder data environment
- B.Transport Layer Security is a disk encryption standard for databases, required by PCI DSS under Requirement 3 for stored PANs
- C.Transport Layer Security is a cryptographic protocol that provides secure communication over networks, required by PCI DSS for protecting cardholder data in transit
- D.Transport Layer Security is an authentication token scheme for administrators, required by PCI DSS under Requirement 8 for multi-factor login
Why C is correct
TLS provides encrypted communication channels over networks, ensuring cardholder data cannot be intercepted during transmission.
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