PCI DSS is not just a checklist. It is a security standard with over 300 requirements across twelve core areas. The pain comes from mapping those rules to real infrastructure. Network segmentation must be airtight. Data flows need clear documentation. Access controls must be precise. If any process leaks cardholder data or touches connected systems, the scope expands and more controls are required.
Another common PCI DSS pain point is the burden of evidence. Auditors need proof for every control: logs, screenshots, configs, policies, change records. Without automated logging and clear retention, gathering this evidence becomes an exhausting manual job. Long email threads and half-documented procedures burn time and make findings more likely.
Testing is another high-friction area. Requirement 11 demands regular vulnerability scans and penetration tests. Missing a scheduled scan or failing to remediate findings quickly can derail certification. Misconfigured tools or inconsistent scope definitions mean results that auditors reject, forcing retests and delays.