Various organizations and companies rely on the virtualized environment for running the applications. These sorts of applications require security policies and rigorous protection mechanisms. The significant challenge towards virtualized system availability is software aging which leads to the system collapsing or encounters some failure. Upgrading the software is the only way to handle the aging issues where the researchers recommend the use of VM migration to diminish the downtime. However, there is a gap in security implications during the VM migration-based scheduling. Here, a novel security evaluation method is proposed to assist the model available for the virtualized system. The target is to predict the scheduling without any threat intervention to reach the expected level (availability and security risk). Here, a novel aggregation of heuristic optimizer (A-HO) for system configuration in VM migration is proposed to measure the security threats like DoS, DDoS, Man-in-the-middle. The outcomes offer insight towards the information regarding the security risk and availability when applying the migration scheduling with the aggregation process.

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