We can secure the oracle database with various measures, like:
- apply time to time patches
- keep db Infra safe and intact from public network
- best firewall protection
- network level segmentation
- meeting the requirements defined by Security standards (OASIS Key Management Interoperability Protocol (KMIP) TC)
Important Terms:
-TDE - Transparent data encryption
-DB Vault, Data Masking, example Oracle DB has a package name DBMS_CRYPTO for enabling the encrytption on Oracle OD