Re: [IBM-MAIN] Encrypting tape drives... anyone considering field encryption?

On Tuesday, 09/05/2006 at 01:23 MST, John Mattson
<John_Mattson@xxxxxxxxxxxx> wrote:
Hey, I love neat new hardware and software as much as anyone, but
it looks like a complete waste of money and time for most businesses. Or
am I missing something here? Please shoot holes in this if I am.

You are missing the point that many sites have UNencrypted data that they
would feel more comfortable having encrypted when dumped to a more
portable media. It may be financial data, or confidential documents, or
programs that have trade secrets or other intellectual property buried in
them. Whatever it is, it may be more cost effective to encrypt what gets
dumped to tape rather than spend the time, people, and money to comb the
system looking for these things and developing processes and procedures to
track them. And in some industries, this will without doubt be regulated
and audited. IMO it will far easier (read: cheaper) to meet those
requirements if all data is simply encrypted as it is exported. If it's
double-encrypted, who cares? Maybe double encryption with different keys
and algorithms will be the Gold Standard....

But, like you, I'd rather that the database have strong online
protections, while still yielding the needed performance characteristics.
Remember, too, that you want encrypted key operations so that anyone with
access to the system itself (including creative sysprogs) cannot get a
hold of the key used to encrypt the data. (Who watches the watchers?)

Alan Altmark
z/VM Development
IBM Endicott

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