Trusted Execution Environment (TEE)
is a separate execution environment, consisting of firmware and hardware, that runs alongside, and provides security services for, the
Rich Execution Environment (REE)
. The TEE isolates access to its hardware and software resources from the REE and its applications.
Intel® Dynamic Application Loader (
Intel® DAL) is a specific TEE with the
Converged Security Engine (
CSE) which is a general TEE.