Resilience: How Can We Build It in Our Cyber Defense?

Resilience: How Can We Build It in Our Cyber Defense?

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

Resilience refers to the ability of a system, network, or process to promptly resume normal operations following a disruption or failure. It involves measures aimed at ensuring an organization’s services remain available, or are quickly restored, after a technical mishap or crisis.

Resilience Examples

#1. Business Website Backup Server

One of the most effective ways to ensure resilience in the digital space is through the use of a backup server for a business website. The primary server hosts the live website, facilitating all the online activities like customer transactions, information dissemination, and networking amongst others. However, like any other system, the primary server is prone to occasional disruptions or outright failures due to various factors such as cyber-attacks, physical damage, or even system upgrades.

A backup server comes in handy when such problems arise. It’s a mirrored version of the primary server, holding all the content, features and capabilities of the primary server. When the primary server goes down, the backup server takes over immediately, ensuring a seamless online experience for customers. Users may not even notice the switch, as the website’s operations continue uninterrupted.

This kind of setup boosts resilience in businesses, protecting them from potential losses that could result from prolonged website downtown. It also preserves the brand’s image by upholding the assurance of constant availability and reliability for customers, no matter what technical hitches might be occurring behind the scenes.

#2. Uninterruptible Power Supplies (UPS) in a Company

Uninterruptible power supplies (UPS) play a critical role in boosting resilience within any organization that relies on computers and servers for their daily operations. A UPS is a device that provides emergency power to a load when the input power source, mainly the mains power, fails. It is critical for systems that cannot afford to lose power even for a fraction of a second, such as critical computers, servers, and telecommunications equipment within a company.

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The role of UPS in ensuring resilience is based on its ability to provide a cushion against sudden power loss. For instance, if there’s a sudden power cut, the UPS device swings into action immediately, supplying the load with power from its own reserves. This immediate response ensures that important computers and servers don’t power down abruptly, preventing potential damage to hardware and loss or corruption of data that may be in use at that moment.

Beyond just prevention of data loss, the UPS provides users with enough time to safely save their work and perform necessary shut down procedures. This means that even in the face of unavoidable power loss, the integrity of the company’s work and the state of its equipment are preserved, thus maintaining operational resilience.

#3. Cloud Storage Service Auto-Syncing Files Regularly

A cloud storage service that regulates the auto-syncing of files is a persuasive illustration of resilience. Users generate and interact with data on a day-to-day basis, whether it’s a business documenting its financial records, a student working on an assignment, or an artist creating digital designs. Any unintended deletion or alteration of these files can lead to significant losses. Hence, preserving this data and ensuring its instantaneous availability is crucial.

Using a cloud storage service set to auto-sync regularly gives users the security and peace of mind they need. The service automatically updates and preserves copies of the user’s files on the cloud. This means whether it’s every hour, every day, or any other preferred interval, the service consistently mirrors the state of the user’s data, capturing every new addition and change made.

If a mishap occurs leading to the deletion or loss of a file, the system’s resilience comes into play. The user can promptly retrieve the file from a previous backup stored on the cloud. Time and resources that could have been spent recreating the lost work or trying to recover the lost file are saved. This ensures minimal disruption to the user’s activities and sustains the smooth flow of operations.


Implementing resilience measures such as backup servers, uninterruptible power supplies, and regular auto-syncing of files ensures a system or process regains its functionality swiftly after a disruption. These examples highlight the importance of resilience in preserving data, maintaining availability, and ensuring the smooth ongoing operation of digital systems and processes.

Key Takeaways

  • Resilience in digital systems involves the capability to quickly bounce back to normal operations after a disruption.
  • Backup servers play an important role in boosting resilience by stepping in when primary servers fail, ensuring continued service availability.
  • Uninterruptible power supplies (UPS) bolster organizational resilience by protecting against data loss or corruption caused by sudden power outages.
  • Regular auto-syncing of files to a cloud storage service is a proactive resilience measure that aids in quick recovery of lost or accidentally deleted files.
  • Resilience measures help in preserving data integrity, maintaining system availability, and ensuring the smooth ongoing operation of digital systems and processes.

Related Questions

1. How does DDoS protection contribute to network resilience?

DDoS (Distributed Denial of Service) protection plays a vital role in network resilience. It helps ward off malicious attempts aimed at overwhelming a network with excessive traffic, thereby ensuring the system remains available and operational even during an attack.

2. What forms of resilience are necessary for small businesses?

Small businesses need cyber resilience to protect their sensitive data and systems from cyber threats and IT resilience to ensure their key services can continue or recover quickly from technological disruptions. Also, they need business resilience, promoting the ability to adapt and respond to various changes and challenges.

3. How can data encryption improve resilience?

Data encryption improves resilience by ensuring that even in the event of data being intercepted or hacked, it remains unreadable and useless to unauthorized persons. This protects the data’s integrity and helps maintain the confidentiality of sensitive information.

4. Why is resilience important in cloud computing?

Resilience in cloud computing is vital because it ensures the continuous availability of cloud services, even in the face of outage or failure. It helps prevent data loss, minimize downtime, and quickly recover services, thereby providing a seamless experience to users.

5. How does regular backups contribute to resilience?

Regular backups are crucial for resilience because they provide a safety net for data. If there’s valuable data lost due to a failure, corruption, or accidental deletion, the backup copies of the data are available for swift restoration, ensuring minimal disruption to operations.

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