Patch Management Procedure Document. Liaison's Patch Management Policy and Procedure provides the processes and guidelines necessary to: Maintain the integrity of network systems and data by applying the latest operating system and application security updates/patches in a timely manner. The process ends here for approved Exclusions.
Patch management is a quite complex and involved topic.
Given the current state of security, patch management can easily become overwhelming, which is why it's a good idea to establish a patch management policy to define the necessary procedures and responsibilities.
The System Owner must verify that the patches have been installed successfully after production deployment. Your patch management policy should cover critical updates, non-critical updates, and any regularly scheduled maintenance periods. The biggest Windows patch management costs related to creating a test lab are hardware and software.