Audit Logging, PII Masking & Regulatory Compliance
Database Auditing & Compliance Roadmaps
Enterprise-grade guides for pgaudit, dynamic PII data masking, AES-256 backup encryption, and automated data retention policies.
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Session & DDL Auditing
#1Session, Privilege & DDL Audit Logging (pgaudit & Enterprise Audit)
Who accessed, modified, or deleted which table, from which IP and at what time? Track all DDL, ROLE, WRITE, and sensitive READ operations with pgaudit.
Applicable Standards
SOC 2 Type IIPCI-DSS v4.0 (Req 10)HIPAA § 164.312ISO 27001 (A.12.4)KVKK / GDPR
- Audit all schema changes (CREATE, ALTER, DROP) in real-time
- Record commands executed by DBA and superuser roles in an immutable audit stream
4 Setup StepsView Full Guide
Data Masking
#2Dynamic & Static PII Data Masking (Anonymization & Tokenization)
Mask sensitive customer PII (credit cards, national IDs, emails, phone numbers) dynamically for lower-privileged roles and staging environments.
Applicable Standards
KVKK Madde 12GDPR Article 32PCI-DSS Req 3.4HIPAA Safe HarborSOC 2 Privacy
- Anonymize production dumps before restoring to staging or QA clusters
- Provide partial dynamic masking (e.g. 4543 **** **** 1234) for support staff
3 Setup StepsView Full Guide
Encryption at Rest
#3Transparent Data Encryption (TDE, AES-256 & Cloud KMS / HashiCorp Vault)
Protect data files, redo logs, and database backup dumps against physical theft or unauthorized extraction using AES-256 envelope encryption.
Applicable Standards
PCI-DSS Req 3.4 & 3.5SOC 2 SecurityFIPS 140-3ISO 27001 (A.10.1)GDPR Art. 32
- Transparent AES-256 disk encryption covering datafiles, temp storage, and write-ahead logs
- Enforce encryption on all backup streams (pg_dump, pg_basebackup, RMAN, Percona XtraBackup)
3 Setup StepsView Full Guide
Retention & Auto-Purge
#4Data Retention Schedules & Automated Purge Architecture (Partitions & pg_cron)
Enforce legal data lifecycle schedules by automatically purging expired audit logs, transaction histories, and user telemetry using partition-drop mechanisms.
Applicable Standards
KVKK Madde 7GDPR Article 17 (Right to be Forgotten)PCI-DSS Req 3.1SOC 2 Retention
- Automate purge jobs for logs and user histories exceeding statutory retention limits (e.g. 2 years)
- Utilize DROP PARTITION instead of expensive DELETE queries to eliminate lock contention and table bloat
3 Setup StepsView Full Guide