A1.2 Multi-tenant service providers facilitate logging and incident response for all customers.
This requirement focuses on ensuring that multi-tenant service providers implement proper logging and incident response capabilities for their customers. It ensures that providers enable audit logging, support forensic investigations, and have processes for reporting and addressing security incidents and vulnerabilities.
Sub-requirements
- A1.2.1 : Audit log capability is enabled for each customer's environment that is consistent with PCI DSS Requirement 10.
- A1.2.2 : Processes or mechanisms are implemented to support and/or facilitate prompt forensic investigations in the event of a suspected or confirmed security incident for any customer.
- A1.2.3 : Processes or mechanisms are implemented for reporting and addressing suspected or confirmed security incidents and vulnerabilities.
A1.2. Multi-Tenant Compliance Validation Program
Maintain continuous compliance validation processes for shared infrastructure while enabling customer audits.
Key Risks
Frequently Asked Questions
What evidence must be provided to tenants?
1) Annual ROC/SAQ, 2) Quarterly ASV scans, 3) Pen test summaries, 4) Critical patch reports. Delivered via cryptographically signed portals.
How are customer audit requests handled?
Standardized process includes: 1) Pre-approved evidence packages, 2) Escorted access to shared systems, 3) NDA-protected report sharing. 48hr SLA for requests.
What training is required for support teams?
**Bi-annual** training on: 1) Tenant data handling, 2) Compliance evidence collection, 3) Audit response protocols. 100% completion tracked in LMS.
How are third-party risks managed?
Maintain: 1) Vendor PCI compliance status dashboard, 2) Shared control matrices, 3) Escalation paths for provider-side issues. Updated quarterly.
What tools enable continuous compliance?
1) AWS Config Rules for real-time checks, 2) ServiceNow GRC for audit trails, 3) HashiCorp Vault for secret management. Integrated with SIEM.
Common QSA Questions
Show ASV scan compliance for shared infrastructure
2025-Q1 scans cover 2,345 public IPs. Results: 0 critical vulnerabilities. Remediated 12 medium risks within SLA.
Demonstrate audit access controls for tenants
Jira-based request system with: 1) MFA authentication, 2) Time-bound access tokens, 3) Activity monitoring via Splunk. Last audit took 3.2h avg response time.
Provide third-party compliance monitoring evidence
Dashboard shows: 1) 98% vendors PCI DSS compliant, 2) 45 critical risks mitigated last quarter, 3) Automated alerts for expired certificates.
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