There is a builtin ultimate security option for computer data in hard disk drives. You may have tried Main-board (BIOS or CMOS) password and windows password protection. I am going to tell you that there is a way you can password protect your hard disk drive.
It is not a very well known fact, but all hard disks have a very strong hardware password capability build in. This password is usually stored both in a chip on the HD controller (the printed circuit board on the hard disk) and on the hard disk itself in a special hidden sector.
For security/protection conscious geeks, it is possible to lock your hard disk with password. A lot of newer laptops will set the HD password together with the BIOS password, completely locking all the hardware for security measures.
It has nothing to do with the machine. All protection is on HD. To set the Password on HD; Go to BIOS. Go to Security and select HD Password. The only way to remain secure is to remember your HD password. If forgotten, that HD even will not be able to show data under slave mode. Data protection by locking down your HD is ultimate and even when you loose HD somehow, nobody can get your data but its very risky.
P.S. If you forget your HD password, there is no way you can retrieve data back or reset the password. You will have to send the hard disk to the data recovery company or the vendors for unlocking, but not all data recovery companies could or would unlock a password protected HD. Never ever try to play with your HD password if you are not sure what you are doing.
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