Identify the sample of system components observed.
For each sampled system component, identify the observed data sources, including:
i. Incoming transaction data
ii. All logs (for example, transaction, history, debugging, error)
iii. History files
iv. Trace files
v. Several database schemas
vi. Database contents
vii. Any other data sources in scope
For each sampled system component and data source, describe how observation of the data sources confirms that card verification codes or values (CVV2, CVC2, CID, CAV2) are not stored under any circumstance.