Zero Trust Model
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In this lesson, you'll learn about the Zero Trust security model, which is essential for protecting modern environments where people, devices, applications, and data are distributed and accessed from various locations.
Introduction to Zero Trust
Zero Trust is a security framework that assumes that no entity, either inside or outside the network, is trustworthy by default. The model operates on the principle that threats could be present both outside and inside the network. Therefore, every request for access must be verified before granting access, regardless of the source.
Guiding Principles of Zero Trust
Adjusting to Zero Trust
Traditionally, corporate networks were designed to be secure, assuming that internal devices and users were trustworthy. This included restricted network access, tightly controlled VPN access, and restrictions on personal devices.
The Zero Trust model inverts this approach. Instead of assuming safety based on network location, Zero Trust requires explicit verification of identity and access rights. This means every request must be authenticated and authorized, regardless of its origin.
Classic Approach vs. Zero Trust Approach
The classic security approach and the Zero Trust model have significant differences:
Classic Approach
Zero Trust Approach
Conclusion
Implementing Zero Trust is a crucial step for modern security. By continuously verifying every access request and enforcing least privilege, Zero Trust significantly reduces the risk of unauthorized access and potential breaches.
This approach ensures that even if credentials are compromised, attackers face multiple layers of authentication. It also restricts access to only what's necessary, minimizing the attack surface. Additionally, assuming breach encourages proactive threat detection and response. Overall, Zero Trust offers robust protection for IT environments, effectively safeguarding data and resources.
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