They don't even need to cut your finger off.
They can force you by law to unlock your devices if you used biometric authentication.
They can't force you to tell a password.
At least that's German law afaik.
btw, there are three types of authentication:
  • knowledge (PIN, password)
  • possession (RFID card)
  • inherence (fingerprint, eye scan etc.)
Ideally, you want MFA which covers all three types.
Sure, and it's easier to fool a fingerprint/face-sensor than to crack a password.
Biometrics should never be anything more than a user name
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Depends on the password
Passwords have their own set of problems:
Password managers with a very good master password mitigate most problems though imo
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