Ownership should sit with the team or partner that is contractually accountable for both outcomes, not with merchants alone. When one party absorbs chargeback liability and is also responsible for maintaining an agreed approval baseline, the incentives align around profitability rather than blame shifting. That structure gives the merchant clearer control, more predictable economics, and less internal conflict.
Why the Ownership Model Should Follow the Liability Model
In card-not-present fraud management, the balance between chargeback risk and approval rates should be owned by the party that is accountable for both outcomes at the same time. If one team carries the losses while another is judged on approvals, the incentives split and decision-making becomes political instead of economic.
That is why ownership is strongest when the same operator or partner can see the full trade-off: accept more risk and raise approvals, or tighten controls and protect margin. Merchant-only ownership often creates a false choice between customer experience and fraud loss, when the real issue is who is contractually aligned to optimise both.
The practical value of this model is that it reduces blame shifting. It also gives the merchant a clearer operating boundary, because approval strategy, fraud rules, and economic accountability are negotiated as one system rather than treated as separate functions.
What Good Ownership Looks Like in Practice
Good ownership is explicit, measurable, and tied to the commercial agreement. The accountable party should be able to explain the target approval baseline, the acceptable chargeback envelope, and the decision rule for when one metric may be traded for the other.
- Single point of accountability: One named team owns the combined outcome, even if fraud operations, payments, and risk analysts contribute to execution.
- Shared decision logic: Approval-rate targets and chargeback limits are reviewed together, not in separate reporting silos.
- Clear escalation path: When loss rates move outside tolerance, the owner can change policy quickly without waiting for internal consensus across unrelated teams.
This is also where commercial structure matters. If a partner is paid to absorb chargeback liability, that partner has a direct incentive to tune controls intelligently rather than simply forcing conservative declines. If the merchant bears all downside, the owner may overcorrect and suppress approvals, which can hide fraud at the expense of revenue.
Risk and Threat Considerations
When ownership is split, the usual failure mode is not just bad governance, it is inconsistent optimisation. One side may chase approvals while the other suppresses fraud, which can produce either avoidable loss or avoidable revenue leakage. In CNP environments, that mismatch can also create control gaps because neither side fully owns the end-to-end trade-off.
Failure mechanism: Misaligned incentives cause policy drift, delayed tuning, and disputes over whether a decline was necessary or whether an approval should have been blocked earlier.
Impact: The business can end up with higher chargebacks, lower conversion, and slower fraud response, especially when the same portfolio is being managed without a single accountable economic owner.
Standards & Framework Alignment
This section maps relevant standards and security frameworks to the operational risks and controls described in this guidance.
CIS Controls v8 and NIST CSF 2.0 set the technical controls, while PCI DSS v4.0 define the regulatory obligations.
| Framework | Control / Reference | Relevance |
|---|---|---|
| CIS Controls v8 | CIS 6 — Access Control Management | Ownership of approval and chargeback controls depends on clear access and decision authority. |
| Recommendation — Assign clear control ownership for fraud decision rights and review who can change approval policy. | ||
| NIST CSF 2.0 | GV.RM-01 — Risk Management Strategy | Balancing chargeback risk and approval rates is a risk appetite and governance decision. |
| GV.OC-03 — Roles, Responsibilities, and Authorities | The question is fundamentally about who owns the joint commercial and fraud outcome. | |
| Recommendation — Define the risk appetite that sets approval and chargeback thresholds. Document who owns the combined fraud-loss and approval-rate outcome. | ||
| PCI DSS v4.0 | 10.2 — Audit Logs for All Access to System Components | Fraud decision changes need traceability when approval and chargeback outcomes are tuned. |
| Recommendation — Keep auditable records of fraud-rule and approval-policy changes. | ||
Practitioner Guidance
What to verify: Confirm who is contractually responsible for chargeback liability, who controls fraud rule changes, and who is measured on the approval baseline. If those three are not aligned, ownership is already fragmented.
Decision rule: If a partner is taking liability but has no authority to tune the approval-fraud balance, the contract should be revised or the governance model is likely to fail in practice. If the merchant keeps liability, it should also keep the approval-risk decision authority.
Practitioner takeaway: The right owner is the party that can change the outcome and absorb the consequence, because only that structure prevents fraud policy from becoming a tug-of-war between risk avoidance and growth.
Related resources from NHI Mgmt Group
- Why do card-not-present merchants face higher fraud and chargeback risk under Visa monitoring rules?
- What is the difference between attack surface management and NHI governance?
- How should security teams reduce chargeback risk in card-not-present commerce?
- How should ecommerce teams balance fraud prevention with approval rates?
Deepen Your Knowledge
Reviewed and updated by the NHIMG editorial team on September 19, 2026.
NHI Mgmt Group — the #1 independent authority on Non-Human Identity, IAM, and Agentic AI security. nhimg.org
