This article explains a number of simple techniques for permanently and securely removing confidential data from old drives. And, it’s necessary before recycling or disposing them. In short, erase your hard drive properly.
Erase Your Hard Drive.
Merely deleting your files is never sufficient. In addition, neither is throwing away your hard drive. Improperly disposing a disk drive could lead to exposing your data to hackers, thieves. In fact, your competitors love to have such data.
Before you throw out your old hard drive or plan to sell it do this. You can still donate or give your computer away afterwards. Thus, you will need to erase your hard drive completely! Simply deleting files and formatting hard drives are not a permanent solution. Why not? Any formatted or trashed hard drive is a data bank for data thieves and hackers. Therefore, erasing the entire data system on your hard drive and formatting it is not enough. Read about this Cybersecurity problem from The Washington Post.
Erase Social Security Numbers from Hard Drives.
When you delete data from your hard drive, it’s not actually erased until you write a new data set of ones and zeros (1, 0) over that same exact space. Therefore, until this takes place all your data remains. One should make sure the data in the hard drive is unquestionably erased. In addition, wipe the vital files, your social security numbers, credit cards, passwords, financials, medical, business negotiations, and other sensitive statistics to protect your data.
In practice, these are two of the most common ways to erase your hard drive completely.
First destroy the hard drive entirely.
Destroy the hard drive. This doesn’t erase all the data, but it does makes it unreadable. Use any method you want and destroy all the platters inside the drive. In addition, be sure to crush all platters into pieces so they’re destroyed entirely.
Second, hard drive formatting & nuking.
Disc scrubbing/wiping is far more secure than just reformatting. The term disk wiping is not only used for hard drives, but for any storage devices.
Free programs like “Darick’s Boot and Nuke” create a bootable drive that automatically erases any drive it can access. Therefore, it’s a secure method of ensuring that the data on your hard disc and storage devices are irrecoverably deleted before recycling or donating. This process of disk wiping will actually overwrite your entire hard drive with data, several times. These applications will overwrite the master boot record, partition table, and every sector. In essence, keep a note of what you have backed up. Consequently, keep a note of files needing back up.
For information on professional hard drive recovery & flash drive recovery services.