On Fri, 3 Mar 2023 10:27:20 +0800 Tommy Tsui <tommyt...@gmail.com> wrote:

:>Hi all.
:>We are studying to build the tertiary backup. In fact, is it possible to
:>hack the VSAM dataset during online period, is there any policy to protect
:>VSAM datasets ?

VSAM is simply a file. Standard file protections apply. If you let someone
write to the file, he can write.

As you mentioned "online period" your query might be CICS related. If CICS has
the proper controls the end user cannot run an arbitrary transaction and the
file resource can be protected.

Of course, if CICS is not properly controlled, i.e., anyone can add programs
without review, a transaction would be able to do things with the authority of
the CICS job.

--
Binyamin Dissen <bdis...@dissensoftware.com>
http://www.dissensoftware.com

Director, Dissen Software, Bar & Grill - Israel

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