The JCL currently contains a valid user ID and password, which creates a security exposure. Correct this exposure as soon as possible. One possible solution is to edit the JCL and blank out the password value.
The installation control files contain passwords for the DB2 UDB for OS/390 catalog as well as for all the QMF control table spaces. Delete these passwords or restrict access to them. They are in QMF720.SDSQCLTE(xxxxINST), where "xxxx" is the DB2 UDB for OS/390 subsystem ID.
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