How does the zero trust model function, and what are its core principles?
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How does the zero trust model function, and what are its core principles?
The zero trust model functions on the principle of maintaining strict access controls and verifying identities and devices before granting access to any network resources. Its core principles include:
1. Verify before trusting: Always authenticate and authorize every connection attempt, regardless of whether it originates from inside or outside the network.
2. Least privilege access: Grant the minimum level of access necessary for a user or device to perform its job functions, reducing the potential attack surface.
3. Assume breach: Operate under the assumption that network breaches are likely to happen and focus on minimizing the impact and preventing lateral movement.
4. Micro-segmentation: Divide the network into smaller segments to contain breaches and limit lateral movement by isolating critical assets.
5. Continuous monitoring: Monitor network traffic, user behaviors, and security controls continuously to quickly detect and respond to any suspicious activities or anomalies.