Lock your hard disk data using encryption

Your harddisk can be safely locked using encryption software to stop unauthorised access of your data. Disk encryption programs work at the lowest level of data storage and change the stored information in a way so that only the autherised user can access them using password authetication. Encryption softwares available use advanced encryption standard (AES) techniques which are so strong that it may take many days for fastest supercomputers on earth to break the encrytion using brute force attacks.

HDD Lock, Disk Password Protection etc are some of the softwares which can be used for locking hard disks using encryption. A word of caution : as these encryption techniques are very hard to break you must not forget the passwords in any case. If password if lost then you have only two options :-

       1. Costly brute force attack using professional decryption services
       2. Forget your data forever !!!

  But some softwares do provide backdoor entry to your data i.e. if your password is lost then you can contact the software providers for help. They will verify your request and then provide special password to open the locked data. But the disadvantage is that providing back-doors can sometimes create new vulnerabilities in software which can be exploited by hackers.