7.3 Access to system components and data is managed via an access control system(s).
This requirement focuses on implementing and configuring access control systems that restrict access based on a user's need to know, enforce appropriate permissions, and are set to deny all access by default.
Sub-requirements:
- 7.3.1 An access control system(s) is in place that restricts access based on a user's need to know and covers all system components.
- 7.3.2 The access control system(s) is configured to enforce permissions assigned to individuals, applications, and systems based on job classification and function.
- 7.3.3 The access control system(s) is set to "deny all" by default.
7.3. Access to system components and cardholder data is limited to only those whose job requires such access, and is based on business need to know.
Ensure access to sensitive systems and data is limited strictly to those with a legitimate business need, and that business justification for access is documented.
Key Risks
Frequently Asked Questions
How is business need to know determined?
By evaluating job roles and responsibilities to ensure access is necessary for specific tasks.
What documentation is required for business justification?
Access request forms and approval records that specify the business reason for each access grant.
How are access rights limited?
By enforcing least privilege and regularly reviewing and revoking unnecessary access.
How often is business justification reviewed?
During each access review, at least every six months or when roles change.
What happens if access is no longer justified?
It is revoked immediately and records are updated.
Common QSA Questions
Can you show documentation of business justification for access?
Yes, we maintain records of all access requests and justifications.
How do you ensure only those with a business need have access?
We enforce access controls and require management approval for all access grants.
How are business justifications reviewed and updated?
They are reviewed during each access review cycle and updated as needed.
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