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Time is Right for Database Encryption: Page 6 of 7

6. Keep two live copies of the table for each field you encrypt. Or stream it out to disk so you can reimport it later. Check with your encryption vendor to ensure that the fields are large enough to hold the encrypted data. Don't

forget to delete the extra table when all is OK.

7. Use your encryption vendor's tool to copy the unencrypted data and then encrypt it. Place the encrypted data into the new field you created.

Here's a vendor sampling of database-encryption tools that will help protect your data.

• Application Security, DbEncrypt, www.appsecinc.com