You can add multiple protection methods with BitLocker: https://technet.microsoft.com/en-gb/library/ff829848.aspx https://technet.microsoft.com/en-gb/library/ff

You can add multiple protection methods with BitLocker: https://technet.microsoft.com/en-gb/library/ff829848.aspx https://technet.microsoft.com/en-gb/library/ff829848.aspx This is also how they implement recovery passwords (as 'numerical passwords') by default.