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I can imagine better defaults. Assuming the threat vector is malicious programs running in userspace (probably malicious programs in kernel space is game over anyway right?), then you could simply boot into safe mode or something instead of crashlooping.

One of the problems with this outage was that you couldn’t even boot into safe mode without having the bit locker recovery key.

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You don’t want to boot into safe mode with networking enabled if the software that is supposed to detect attacks from the network isn’t running. Safe mode doesn’t protect you from malicious code in userspace, it only “protects” you from faulty drivers. Safe mode is for troubleshooting system components, not for increasing security.

I don’t know the exact reasoning why safe mode requires the BitLocker recovery key, but presumably not doing so would open up an attack vector defeating the BitLocker protection.

Normally BitLocker gets the key from the TPM, which will have its own driver that's likely disabled in Safe Mode.

The BitLocker configurations I've seen over the last few days don't require the recovery key to enter safe mode.

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