A financial institution wants to ensure their online banking services remain accessible to customers even if a cyberattack disrupts their main operational site. Which strategy should they implement to maintain service availability under such circumstances?
Deploy an IDS to monitor and detect malicious network activity.
Establish a geographically separated hot site for operational continuity.
Enforce strict firewall policies to prevent unauthorized access.
Perform weekly backups of critical data to secure storage.
Establishing a geographically separated hot site allows the institution to quickly switch operations to an alternative location if the main site is compromised due to a cyberattack. This strategy ensures continuous service availability by replicating critical systems and data in a separate location. Weekly backups secure data but do not prevent downtime during a site outage. Deploying an IDS (Intrusion Detection System) helps detect malicious activity but does not provide redundancy for service availability. Enforcing strict firewall policies enhances security measures but does not guarantee availability if the main site is disrupted.
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Why are weekly backups insufficient for ensuring service availability during a cyberattack?