The alert came in at 03:17. An automated PII detection job flagged a production dataset. It was our quarterly check-in, and the system caught a leak before it reached users.
PII detection is not a task you run once and forget. Data changes. Schemas drift. New APIs ship. Without a scheduled PII detection quarterly check-in, blind spots grow and compliance risk climbs. Quarterly reviews force a full scan of databases, data lakes, message queues, and logs.
A strong check-in includes three steps. First, update your detection rules. Patterns for phone numbers, government IDs, and emails vary by region and change over time. Second, audit new data sources. This covers added services, third-party integrations, and any temporary storage layers. Third, verify alerting and escalation paths. If a PII detection alert fires at 03:17, the right person must see it.