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{{Short description|Secure area of a main processor}}
A trusted '''execution environment''' ('''TEE''') is a secure area of a [[Central processing unit|main processor]]. It helps the code and data loaded inside it be protected with respect to [[Information security#Confidentiality|confidentiality and integrity]]. Data confidentiality prevents unauthorized entities from outside the TEE from reading data, while code integrity prevents code in the TEE from being replaced or modified by unauthorized entities, which may also be the computer owner itself as in certain [[Digital_rights_management|DRM]] schemes described in [[Software_Guard_Extensions|SGX]].
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