Trusted computing base: Difference between revisions

Revision as of 12:10, 22 January 2020

Revision as of 12:19, 22 January 2020

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{{textbook}}

{{distinguish|Trusted Computing}}

The '''trusted computing base''' ('''TCB''') of a [[computer system]] is the set of all [[Computer hardware|hardware]], [[firmware]], and/or [[software]] components that are critical to its [[computer security|security]], in the sense that [[Software bug|bugs]] or [[Vulnerability (computing)|vulnerabilities]] occurring inside the TCB might jeopardize the security properties of the entire system. By contrast, parts of a computer system outside the TCB must not be able to misbehave in a way that would leak any more [[privilege (computer science)|privilege]]s than are granted to them in accordance to the [[security policy]].