Data Retention Policy Implementation
Keeping data forever is a liability — every record you retain is a record that can be breached. We implement automated data retention policies with lifecycle rules, scheduled deletion, archival workflows, and audit trails that prove compliance with GDPR, HIPAA, and SOC 2 retention requirements.
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Retention Schedule Definition
We map every data type in your system to a retention period based on regulatory requirements and business needs. Transactional data: 7 years (tax compliance). User PII: until account deletion plus 30 days (GDPR). Application logs: 90 days (operational needs). Audit logs: 1-6 years (varies by framework). Session data: 24 hours. Each data type gets a classification tag, a retention period, and a disposition action (delete, archive, or anonymize).
Automated Deletion Pipelines
Retention enforcement is fully automated. Database jobs run nightly to delete expired records based on creation timestamp and retention rules. S3 lifecycle rules transition and expire objects automatically. Elasticsearch ILM (Index Lifecycle Management) rolls over and deletes old indices. Deletion events are logged — the audit trail records what was deleted, when, and by which retention rule. No manual intervention, no accumulation of stale data.
Archival and Cold Storage
Data that must be retained but rarely accessed moves to cold storage. Database records are exported to Parquet files in S3 Glacier with full-text search indexes maintained separately. Application logs transition from hot storage (OpenSearch) to warm (S3 Standard-IA) to cold (Glacier) based on age. Archived data remains queryable through Athena or BigQuery — you do not lose access, you just reduce storage costs by 90%.
Compliance Verification
We implement verification checks that prove retention policies are operating correctly. Scheduled audits compare actual data age distribution against retention schedules. Anomalies — data older than its retention period — trigger investigation and remediation. Monthly reports show: records deleted by category, storage reclaimed, and retention policy compliance percentage. Auditors get a retention schedule document with evidence of automated enforcement.
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