Cross Industry Cross Compliance - Governance, Risk, and Compliance Topic for Oracle Applications - page 325

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External Security
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Keys

Encryption

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Keys

Decryption

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E-Business Suite with transparent data encryption
Oracle Advanced Security is an optional licensed Oracle 11g Database add-on. Oracle
Advanced Security Transparent Data Encryption (TDE) offers two different features
Column encryption and Tablespace encryption . 11.2.0.1 TDE Column encryption
was certified with E-Business Suite 12 as part of our overall 11.2.0.1 database
certification. As of today, 11.2.0.1 TDE Tablespace encryption is now certified with
Oracle E-Business Suite Release 12.

You can find more information from support note 828229.1, Using TDE
Tablespace Encryption with Oracle E-Business Suite Release 12 or Steven Chan's
blog at https://blogs.oracle.com/stevenChan/entry/tde_tablespace_
encryption_11_2 . Tablespace encryption enables you to encrypt an entire
tablespace. All objects created in the encrypted tablespace are automatically
encrypted. Tablespace encryption is useful if you want to secure sensitive data
in tables. You do not need to perform a granular analysis of each table column to
determine the columns that need encryption.