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Reviewed 26 October 2026. Original publication date retained: 2025-08-25.
Business payment services can involve customer, bank and transaction information handled by several parties. An information-security audit can follow the organisation's responsibilities and the controls actually operating within its scope.
Questions to follow in an audit
- Which information is shared with each payment-service supplier?
- How is access approved and reviewed for staff and suppliers?
- How are suspected disclosure incidents escalated and recorded?
Connect the records with practice
Trace one supplier relationship through the agreed responsibilities, current access, review evidence and an incident or exercise record.
These are illustrative audit trails, not findings about a named organisation, technical instructions or a guarantee of a particular result. The appropriate evidence depends on the activities, risks and agreed scope. The organisation remains responsible for its operations and legal obligations.
AAA provides independent certification audits. Confirm the applicable standard edition, scope and customer requirements before agreeing a programme. Request an indicative price or discuss your proposed audit.
Further reading: ISO information security.