Information System Resilience: Can It Withstand Cyber Attacks?

Information System Resilience: Can It Withstand Cyber Attacks?

 By Charles Joseph | Cybersecurity Advocate
 Last update: November 25, 2023

Information System Resilience is a concept referring to a system’s ability to effectively operate despite the presence of adversities, disruptions, or threats. This includes the ability to recover quickly and efficiently from any such instances, thereby reducing the overall impact and potential damages caused to the system and its functionality.

Information System Resilience Examples

#. E-Commerce Website

An example of Information System Resilience can be observed in an e-commerce website. This is a platform where multiple interactions and transactions happen simultaneously. However, these systems often need to stay operative, despite challenges such as high user traffic or even hacking attempts.

When an e-commerce website continues to operate optimally under these high pressures, it’s a clear demonstration of resilience. It could have a built-in capability to handle increased user load without slowing down or crashing. This is often achieved by incorporating server redundancy to handle the excess traffic, which means there are additional servers to manage the overflow of data.

Furthermore, the resilience of e-commerce websites can include their capability to resist cyber threats. Regularly updating protective software and maintaining secure firewalls are some of the measures taken to ward off these threats. Thus, even during a cyber-attack, the resilience of the system is highlighted as it continues to function smoothly, ensuring customer transactions are made securely and successfully.

#. Banking System

A banking system provides an apt instance of Information System Resilience. The financial industry has always been an attractive target for cybercriminals. Despite the looming potential threats and data breaches, the ability of a banking system to quickly restore services is a prime example of its information system resilience.

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A bank’s data could be attacked leading to a system compromise. The resilience in this scenario is depicted by the swift action taken to control the damage and restore the system operations. Implementing measures such as real-time data backups and quick-switch mechanisms helps banks to achieve this.

A backup data center could be in place for the bank, to step in when the main system is compromised. This backup not only assures continuity in operations but also a high level of data security during the switchover. As a result, the bank continues to provide uninterrupted service, demonstrating its information system resilience.

#. Hospital’s Patient Record System

A highly critical area where Information System Resilience is crucial is a hospital’s patient record system. Any downtime or failure could lead to significant delays or errors in patient care. Thus, it is essential that these systems demonstrate strong resilience.

A situation could arise where there is a power outage in the hospital. An efficient patient record system would not cease to function under such circumstances. It would either have a battery backup in place or be connected to an alternative power source, ensuring its operations continue without disruption.

The uninterrupted functionality of the record system during the power outage is a vivid demonstration of information system resilience. This essentially allows doctors and medical staff to access and update patient data as normal, ensuring the continuity of care without any detrimental impact on patient health.


Information System Resilience is a critical factor in today’s digitally driven world, ensuring systems can withstand and bounce back from disruptions. As observed in e-commerce websites, banking systems, and patient record systems in hospitals, effective resilience strategies not only maintain functionality during adversity but also quickly restore operations, minimizing potential damages.

Key Takeaways

  • Information System Resilience refers to a system’s ability to continue operating effectively, even when faced with threats or disruptions.
  • Examples of this can be seen in e-commerce websites, banking systems, and hospital patient record systems.
  • E-commerce websites demonstrate resilience by handling high traffic volumes and resisting cyber threats using server redundancy and updated protective software.
  • Banking systems exhibit resilience through quick restoration of services after data breaches, using real-time backups and backup data centers.
  • Hospital patient record systems show resilience by continuing to function during power outages, through battery backups or alternative power sources.
  • Related Questions

    1. What does it mean when a website is resilient?

    When a website is resilient, it means it can handle high volumes of traffic or resist cyber threats without its functionality being affected. It can keep operating and providing services to its users, even during adverse conditions.

    2. How do banking systems exhibit Information System Resilience?

    Banking systems exhibit Information System Resilience by quickly regaining functionality after data breaches or other threats. This can be achieved through real-time data backups, having a backup data center, or other quick restoration and protective measures.

    3. How do hospital patient record systems display resilience?

    Hospital patient record systems display resilience by continuing to function during disruptions like power outages, through the use of battery backups or alternative power sources. This ensures that patient care is not affected by such disruptions.

    4. Why is Information System Resilience necessary for functioning systems?

    Information System Resilience is necessary as it assures continuous operation of a system even when faced with disruptions or threats. It helps to minimize potential damage to the system and provides a quick recovery, ensuring the system can keep serving its purpose without major interruptions.

    5. How can Information System Resilience be improved?

    Information System Resilience can be improved through various measures like regular system updates, applying security patches, having a real-time data backup plan, and having a solid disaster recovery strategy. These measures help to ensure the system can recover quickly and effectively in the face of adversity or disruptions.

    "Amateurs hack systems, professionals hack people."
    -- Bruce Schneier, a renown computer security professional