Defensibly shrinking Meridian & Vale's cardholder data environment: a 2025 Report on Compliance that counted 4,318 components but missed 394 connected systems, with eleven years of stored card numbers in the order history and a firewall diagram offered as segmentation proof; the eight-band scope funnel of define, confirm, discover, devalue, segment, delegate, attest and sustain, narrowing 4,712 components to a 409-component scope; and the reduction dossier with P2PE taking 2,847 store lanes out of scope, tokenisation removing stored PAN, 31 service providers with current attestations, scope agreed with the assessor before fieldwork and 11 drift events caught by quarterly re-confirmation.

CY-EXPERT-062Expert Level · Payment Security

PCI DSS Scope Reduction Scenarios

An expert-level course on how a security programme defensibly shrinks its own cardholder data environment and proves the reduction holds. Work down the scope funnel - eight bands through which a payment estate narrows: what actually puts a system in scope; the annual scoping exercise that confirms the inventory; data discovery and eliminating stored account numbers; tokenisation, P2PE and what they genuinely remove; segmentation and the evidence that it isolates; third parties, attestations and responsibility matrices; validation route, questionnaire eligibility and the consequences of choosing wrong; and sustaining a reduced scope through change, drift and the assessor conversation.

18 hours8 chapters32 lessons225 activities8 labs

What you'll learn

Apply the three in-scope categories and the four exclusion conditions through a published decision tree, and measure the disagreement rate that proves the definition works.
Run an annual scoping exercise against sources independent of the inventory, producing a confirmed component list, per-channel data flow diagrams verified against live configuration, and a confirmation record with its findings disclosed.
Build a data discovery methodology with a stated coverage and named gaps, find where account numbers actually accumulate, and eliminate them with a business-reason test and a second-pass proof.
Write requirement-by-requirement scope-impact assessments for tokenisation, P2PE and e-commerce integration changes, each with an honest statement of what the technology does not remove.

Price:৳12,000