Systems and methods for zero trust network security. A method includes sending a unique intermediate certificate authority (CA) certificate to each of a plurality of entities, wherein each entity of the plurality of entities is installed on a respective node of a plurality of nodes in a network environment; and causing deployment of an agent on each of the plurality of nodes, each agent corresponding to the entity installed on the same node as the agent is configured to enforce at least one network firewall policy based on the intermediate CA certificate sent to the corresponding entity.
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