As operational focus shifts from manual methods to digital advancements in data, system, and network security, security has become the top concern for users. There is always a high risk of a cyberattack when all operations are conducted and controlled over the internet. Many security protocols have been implemented to protect networks, however, due to advanced technology, hackers can penetrate networks and systems with even greater sophistication.

The techniques to defend distributed networks from cyber-attacks have greatly developed and improved during the era of digital transformation. Organizations need to quickly implement a more thorough and forward-thinking security approach to address the evolving threat environment and expanding attack surface. Introducing Zero Trust Security, a new way of thinking that moves away from the traditional perimeter-based security model in favor of a more flexible and encompassing defense strategy.

Zero-Trust Protection:

Zero trust security has been utilized to accomplish global network protection as well. By employing the “always verify-never trust” approach, zero trust is a reliable solution that guarantees proper authentication and access to networks. Even though it is currently in its initial phases, zero trust security is expected to play a vital role in future network security solutions. Zero Trust operates under the belief that all networks, both internal and external, cannot be trusted, unlike traditional security models which depend on perimeter defenses and assume everything within the network is trustworthy. This means that every individual, device, and application seeking to access resources must undergo verification, approval, and ongoing validation before being allowed access, whether they are inside or outside the network perimeter.

Premises about zero-trust security:

1. Verify the identity of every user: Authorization is required for all users, regardless of their location within or outside the company network. Strict password requirements and the use of multi-factor authentication (MFA) are crucial components of this concept.
2. Verify each device: Before accessing any resources, each device, whether owned by the individual or the company, must undergo validation to ensure compliance with security policies and configurations.
3. Limit Access: Implementing the principle of least privilege means individuals are only granted access to the resources necessary for carrying out their specific tasks. By taking this action, the potential outcomes of a hacked account are minimized. Micro-Segmentation involves dividing the network into smaller, isolated areas to prevent breaches and limit an attacker’s lateral movement. By doing so, the spread of dangers sideways across the network is prevented.

Monitor and log all network traffic to promptly detect and resolve any abnormal activity or potential security issues.

Zero Trust Security’s advantages:

1. Improved Security Posture: Zero Trust Security significantly reduces the potential for cyber-attacks and the chance of unauthorized access by starting with a basic stance of mistrust.
2. Adaptive Defence: Zero Trust Security provides detailed oversight and management of all users, devices, and applications, adapting to the ever-changing environment of modern IT systems.
3. Compliance Alignment: Zero Trust Security ensures compliance with numerous legal requirements and industry norms through the enforcement of strict access limitations and continuous monitoring.
4. Lessened Impact of Security Breaches: Zero Trust Security limits the attackers’ ability to move sideways in case of a breach, minimizing the potential damage and containing the impact.

In recent years, the adoption of zero trust security has become more and more popular. This statistic shows how quickly zero trust security is being implemented on a global scale.

The graph illustrates the implementation of zero trust security from 2018 to 2023. The rate of adoption is steadily rising, evident from the line graph showing the increasing trend of businesses incorporating zero trust security principles. This trend suggests that trust cannot be automatically given to individuals or systems within the network boundary, highlighting the increased importance of safeguarding digital environments against modern threats.

Conclusion

In today’s environment of increasing complexity and prevalence of cyber-attacks, it is necessary to implement a Zero Trust Security approach. In the modern digital age, businesses can enhance their security measures, mitigate risks, and safeguard their critical assets by redefining traditional notions of trust and security. Embracing Zero Trust Security requires a significant change in mind-set towards proactive and adaptive approaches to cyber defence, as well as a shift in technology.

For those eager to dive deeper into cybersecurity, consider enrolling in Karnavati University’s B.Tech. Computer Science and Engineering with specialization in Cyber Security. This program equips you with the skills and knowledge needed to master Zero Trust Security and other advanced cybersecurity techniques. Enroll today to become a leader in safeguarding digital frontiers!

By: Anamika Singh
Assistant Professor, UIT, Karnavati University