What constitutes a security incident in PCI DSS context?
- A.Any scheduled maintenance window, planned patch deployment, or routine firewall change that interrupts payment authorization services
- B.Any event that potentially compromises the confidentiality, integrity, or availability of cardholder data or the systems that process, store, or transmit it
- C.Any confirmed theft of full track data, PINs, or card verification codes from a payment terminal or server
- D.A failed login on a cardholder data system, a blocked port scan, or any other event that the firewall already dropped
Why B is correct
A security incident is any event that could compromise the CIA of cardholder data or CDE systems, including suspected and confirmed events.
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