Description: Failback is a critical process in the management of computer systems, especially in the context of system reliability and continuity. It refers to the ability of a system to return to its original state after experiencing a failover. This process is essential for ensuring service continuity and data integrity. In situations where a system fails or an error occurs, failback allows for the restoration of normal operation, minimizing downtime and reducing the impact on users. This mechanism not only applies to system recovery but is also fundamental in implementing security strategies, where restoring a secure environment is crucial after a disruption or security breach. Failback may involve restoring backups, reconfiguring systems, or implementing protocols that ensure the system returns to a secure and functional state. In summary, failback is a vital component in the architecture of resilient systems, ensuring that technology infrastructures are capable of recovering from failures or incidents.