Virtualization based security is a technique that acts as one of the most critical security features in modern Windows operating systems. This security feature adds a layer of protection to the existing security infrastructure by isolating critical system components and processes that are vulnerable to external threats.

Virtualization based security utilizes the concept of virtualization, which involves the creation of a virtual environment that runs parallel to the physical system. In this virtual environment, a security boundary is created that segregates important system components from potential attacks that may be launched externally. This security barrier prevents attackers from gaining full access to the machine and provides a secure sandbox environment for the system to operate in.

One of the key benefits of virtualization based security is the heightened level of protection provided to sensitive information such as credentials, encryption keys, and other sensitive data. With virtualization based security, these elements are moved to a trusted environment that is hardware-based and isolated from the rest of the system. This makes it difficult for any unwanted party to access them, providing greater protection in the event of a security breach.

Another significant benefit of virtualization based security is that it safeguards against malicious code that is designed to infiltrate the kernel. This security feature implements a feature called “memory integrity” (also known as “hypervisor-enforced code integrity” or HVCI), which provides an extra layer of protection for the system’s kernel code to ensure no unauthorized code can run in kernel mode, or hijack the system’s memory.

In addition, virtualization based security also helps to protect critical system files by allowing them to be placed in a separate virtual machine. This virtual machine is shielded from the outside world, making it difficult for attackers to modify or manipulate these files.

There are different forms of virtualization based security offered on Windows operating systems. It includes Windows Defender Application Guard, Windows Defender System Guard, and Hyper-V-based virtualization. Each implementation of virtualization-based security has its own strengths and best practices depending upon the IT infrastructure setup.

In conclusion, virtualization based security is an innovative technique that helps to secure critical system components and sensitive information by segregating them into an isolated environment. This feature plays a crucial role in ensuring that modern Windows operating systems are protected from unwanted attacks that may cause significant damage. By implementing virtualization based security, organizations can create a secure environment that is difficult for attackers to breach, thus reducing the chances of system breaches that may result in data loss, downtime, or reputational damage.