Understanding The Difference Between Zero Trust Network Access And VPN

Understanding The Difference Between Zero Trust Network Access And VPN

Zero trust network access (ZTNA) provides a clientless security solution that restricts access to corporate networks. Its lack of visibility into connections means that VPN-based security is less effective at detecting malicious software or malware. However, VPN-based security does provide application-level controls.

ZTNA Is Clientless

Most industries consult IT experts to enlighten them about zero trust network access vs. VPN and their benefits for the organization. Experts claim that while there are many advantages of ZTNA, you need to consider its disadvantages, too. Among them is the need for more support for on-premises applications. In addition, it requires a browser plug-in and downloading of the software whenever you need to connect. This can decrease the user experience. Besides, ZTNA’s client-based architecture does not provide the same visibility and control as client-based VPNs. One of the major drawbacks of clientless ZTNA is that you cannot see your laptop’s activity.

Despite its disadvantages, ZTNA is increasingly becoming popular as a security option for cloud and on-premise applications. Its underlying technology helps organizations reduce network security costs by leveraging network access controls. By avoiding a VPN connection, organizations can protect themselves from threats in the cloud. 

It Provides Application-Level Controls.

Zero trust network access is a security concept wherein an organization’s security is derived from its application-level controls. These controls allow companies to limit the access of users, non-personal entities, and applications to network resources. Zero trust network access implements automated protection and hyper-accurate detection. These features reduce the load on security operations center analysts and enable faster deployment. The solution consists of two parts: zero-trust network access and zero-trust network security. These two components enable Zero Trust to be installed in phases, thus allowing organizations to deploy the solution more quickly or phase it in phases as they wish. Zero trust network access, also known as Software Defined Perimeters, enables organizations to define a zero-trust perimeter and manage the data flow between internal and external resources. It also provides visibility into security policies and access decisions that need to be made dynamically. Multi-factor authentication is becoming an important security tool for organizations to control access to applications. It prevents unauthorized access to corporate resources.

It Restricts Access To Your Corporate Network.

Internet restriction software is a great way to maintain your corporate network’s security and to prevent your employees from using the Internet for personal or non-work related reasons. While 40% of all Internet use is non-work-related, this practice can cost your business thousands of dollars yearly in lost productivity and increases the risk of outside attacks on your network. Restricting employee Internet usage also promotes a more repressive work environment and detracts from employee morale.

It Uses A Least-Privilege Approach.

Zero trust network access uses a least-privileged access model to limit access rights. This approach differs from a universal key because it restricts users’ access based on their role within an organization. By breaking user access rights and granting access to only the necessary resources, zero trust helps to minimize the risk of data breaches and user abuse.

The least-privilege model limits lateral movement to the network and prevents unauthorized access to business applications. This approach is fundamental as data volumes increase and more organizations move to the cloud. As a result, organizations must look for ways to secure this data and prevent its theft and misuse. One of the core concepts of Zero Trust security is limiting each user’s access. Zero Trust networks set up each connection one at a time and re-authenticate each connection regularly, so each user only has access to the resources they need. This approach also helps contain the internal threats in the network. In contrast, a traditional approach might require a user to connect to a virtual private network (VPN), which gives the user access to everything connected to the VPN. A compromised user will put the entire private network at risk and may be able to move within the lateral quickly.

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