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secure boot

AI security interview questions tagged secure boot, across every topic.

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Concepts behind "secure boot"

Explanations of the mechanisms these questions rely on.

Core
Systems & OS SecuritySign in
Secure Boot, Measured Boot and Remote Attestation in DepthSecure boot enforces: each stage runs the next only if it is signed and not revoked. Measured boot records: each stage extends a hash into a TPM register, blocking nothing by itself. Attestation proves that record to a remote verifier with a fresh nonce. A patched but still-signed boot component stays usable until it is revoked, which is why BlackLotus worked. PCR values break on every update, so policies use event logs or signatures. Confidential AI uses the same chain to release model weights only to attested machines.
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