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Status Not under consideration
Workspace IMS System Services
Categories General System
Created by Guest
Created on Dec 18, 2017

RELATED IDEAS

Increase security to IMS logs.

Provide a function that makes it possible to create a digital signature for a SLDS.
A similar function is already present for z/OS SMF log records.

Idea priority High
  • Guest
    Reply
    |     May 20, 2024

    Hi,

    I like to reopen this old RFE/Idea for a reconsideration since we now are up to new challenges with the 'Digital Operations Resilience Act'. 
    By using a hashed signature either for a log or for specific IMS logrecords, an unauthorized update of a record will make it impossible to use as input to a database or system recovery.

    If a 'signed log data hash' option is activated in eg. RECON, IMS will automatically add a hash to selected (specific or all) logrecords, these vaules will also be verify during DB or system recovery. 

    To have an option to provide a hash for all or some of the logrecords during the SLDS archive utility will make it more secure, easier and faster implementation for IMS installations, compared to do this as a client unique solution.

    Thanks,
    Curt

  • Guest
    Reply
    |     Feb 16, 2018

    One approach could be to only hash and sign certain groups of log records, x01, x03, x5901, x5903 and also different database records related to changes (eg. these used in recovery). This would speed up the sign process but still increase security since a change to any record of this kind would be noticed when calculating the checksum in case of recovery.

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