Zero trust in an all too trusting world

Gerald Caron
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Gerald Caron: Bureau of Information Resource Management, US Department of State

Cyber Security: A Peer-Reviewed Journal, 2020, vol. 3, issue 3, 256-264

Abstract: The traditional network model used the moat and castle defence, a clearly defined perimeter whereby everything outside your network is untrusted, but everything inside is trusted. The issue with the traditional model is that when a bad actor is able to obtain access to get past the outside walls, there is nothing of significance left to protect the internal network. With a zero trust network model, the protections do not stop at the perimeter, because the model assumes the adversary is eventually going to breach the walls and therefore treats all communications as untrusted. Within a zero trust network the key criteria are what the data is, where the data is located, and who should access the data. The premise of zero trust is built on strong identities, authentication, trusted endpoints, network segmentation, access controls, and user and system attribution to protect and regulate access to sensitive data and systems.

Keywords: cyber; security; zero trust; passwords; network; perimeter; authentication; access; identity; strategy; data; protection (search for similar items in EconPapers)
JEL-codes: M15 (search for similar items in EconPapers)
Date: 2020
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