implementing-cloud-dlp-for-data-protection

Enable Macie with aws macie2 enable-macie, then create a classification job targeting your buckets with managed data identifiers like SSN, CREDIT_CARD_NUMBER, and EMAIL_ADDRESS. Use scoping rules to limit scans to relevant object extensions such as csv, json, and parquet to control per-GB scan costs.

Call deidentifyContent with an inspect config listing info types and a deidentify config defining transformations per info type. Options include character masking for emails, format-preserving encryption with a KMS-wrapped key for credit cards, and redaction for SSNs.

Macie is a managed AWS service focused on S3 discovery with ML-based classification and scheduled jobs. Cloud DLP is a programmable GCP API covering Cloud Storage, BigQuery, and arbitrary text, with built-in de-identification transforms that Macie does not provide.

Inspection and de-identification are separate operations. An inspectJob or Macie scan only finds sensitive data; masking, tokenization, or redaction requires a separate deidentifyContent call with InfoTypeTransformations configured. Verify your pipeline actually invokes the transform step.

Cloud DLP services do not cover endpoint devices, email, or network-level exfiltration. Use Microsoft Purview or Symantec agents for endpoint DLP, Microsoft 365 or Google Workspace DLP for email, and VPC endpoint policies with network firewalls for exfiltration prevention.