At which point they will be stopped by Ubuntu login screen which requires user password (or fingerprint, pin, etc).
Basically there are two options for have to enter 1 password:
1. TPM disk encryption + login password.
2. Password for disk encryption and automatic login (doesn't support multiple user accounts well).
Basically there are two options for have to enter 1 password: 1. TPM disk encryption + login password. 2. Password for disk encryption and automatic login (doesn't support multiple user accounts well).