3-22.1 Flashcards
What is the trusted computing base?
The components of a computer system that must be trusted to enforce the security policy. Includes hardware, firmware, software, and processes
What is the principle of Minimal TCB?
Emphasizes the importance of keeping the TCB as small and simple as possible
What is BIOS?
Basic Input/Output System. Nonvolatile firmware that initializes its hardware before booting an OS and manages data flow before between the computers OS and attached devices
What is UEFI?
Improved BIOS with secure boot.
What is Secure Boot?
Feature that only loads digitally signed and authenticated bootloaders and OS kernels are allowed to run.
What is TPM?
Trusted Platform Module: Used to carry out cryptographic operations, including key generation, key storage, encryption, decryption, hashing, and other functions that are crucial for implementing security features. Support various security applications including secure boot, disk encryption, secure key storage and attestation.
What is Memory Protection?
enables the OS to load multiple programs into main memory at the same time, and prevents programs from referencing memory not explicitly assigned to it.