Virtualization is great technology deployed in ICT (or even ICS).

There are many merits for live system or application development but we must not forget:

  • It is still the same platform subject to regular cyber maintenance
  • Same cyber protection like removing unused applications, disabling unused system services, using least privilge session to run application etc.
  • Regular backup for recovery provision to minimize unplanned service interruption: whether conventional backup approach or real image of the virtualized environment

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