The hidden costs of VLAN segmentation

Network segmentation is a simple-to-understand and effective tool for reducing the attack surface and, as a result, the risk to applications, groups of servers, and other critical IT assets. The idea is simple – instead of having a flat anyone-can-talk-to-anyone-on-any-port environment where an infected server has unlimited access to all other servers, with network segmentation you can limit the connection possibilities.

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