As a seasoned data analyst in a medium$-$size corporation, you realize that the company cannot go any further with its file$-$based processing system. You propose a database solution, but the Information Security officer objects and tries to stop the project. The CIO of the company asks for your opinion. Prepare a letter to the CIO according to the following subjects:

$-$ The limitations of file$-$based systems in the area of data security.

$-$ The benefits of databases in the area of data security.

$-$ The steps to insure data availability in a database environment.