# Data Engineering
All Data Engineering notes →1 — Security Fundamentals
Security fundamentals for data platforms — IAM, RBAC, encryption at rest and in transit, secrets handling, and key management.
data-engineering security-governance book
2 — Governance
Data governance — metadata-driven policy, regulatory compliance including GDPR, data retention rules, and audit logging.
data-engineering security-governance book
3 — Privacy Engineering
Privacy engineering techniques for protecting sensitive data — masking, tokenization, anonymization, and differential privacy.
data-engineering security-governance book