A factory is dependent on an older system built for an outdated operating environment that cannot be updated. The system meets important production needs but remains unpatched. Which measure reduces unauthorized access risk while allowing continued use?
Switch the program to a modern system to work around support gaps
Enforce strict segmentation from the main network with filtered connections
Install new user accounts to detect unusual system activity
Apply the latest patches from open-source providers
Isolating the aging device from open contact points with strong filtering limits direct threats while permitting necessary connections. Adding user accounts or switching systems does not address the fundamental gap of unsupported components. Attempting updates on an unpatchable device creates complications without resolving legacy restrictions.
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