Additional Security Tools. Lesson 15. Skills Matrix. Guarding Your Data. Maintaining data integrity can also involve data encryption and auditing. Encryption.
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SQL Server 2008 includes a new feature known as Transparent Data Encryption (TDE).
This encryption is transparent to the application code as SQL Server 2008 automatically handles the encryption and decryption of all data going in to and out of the database.
The primary purpose of this TDE feature is to have the entire database encrypted so that any unauthorized person having direct access to copies of the database files and / or transaction log files cannot decrypt and read the data.
In 1985, the Department of Defense published DOD Directive 5200.28-STD, Department of Defense Standard, “Department of Defense Trusted Computer System Evaluation Criteria” known familiarly as the “Orange Book” which was part of the “Rainbow Series” of security evaluation criteria.
The Orange Book laid out a matrix where A was the most trusted and D the least trusted.
Numbers were also used where 1 was the most stringent criteria.
The resultant classes, then, are A1, B1, B2, B3, C1, C2 and D.