LuTiao Programming

Feb 5, 2026 · Information Security

Is Your Database Storing Plaintext? How Spring Boot Field‑Level Encryption Can Rescue You

The article explains why storing sensitive columns in plaintext leaves systems vulnerable even when the database is encrypted, and demonstrates a low‑intrusion, maintainable field‑level encryption solution for Spring Boot using JPA AttributeConverters, including code, pros, cons, and production best practices.