Network Security Layers Diagram

This helpful diagram visually explains the nested layers involved in computing environments, often foundational for understanding security. It shows four distinct levels, starting with the broadest 'network' scope, then narrowing down to the 'host' (the device itself), followed by the 'application' running on the host, and finally, at the very center, the 'data'—the most valuable asset. This illustration effectively conveys how different components interact and how security considerations can be viewed as an encompassing structure, from the sprawling network infrastructure down to the individual pieces of information.

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