What One Should Understand About Hard Drive Degaussing Lots of PC users believe that when one deletes a file and empties the trash bin, the information is completely erased. But that is further from the truth. The reality is that the data is still in the hard drive. All you actually do when you delete such info is to destroy the path leading the actual information. Nonetheless, one can still be able to erase info completely from their hard drive. You can actually erase data from your computer using three different techniques. You can erase the hard drive using a hard drive eraser, you can physically destroy the drive, or you can do what is known as degaussing. Degaussing simply put is complete erasing of information on a drive. There are so many different organizations dealing with sensitive information that employ degaussing machines for this type of work. This method is unique compared to other methods. Different from formatting or deleting information, degaussing uses special type of technology to ensure that data that was once stored on a hard drive is completely gone and never to be recovered. Discussed below are some important things to understand what degaussing is all about. makes Use of Magnetic Fields
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Degaussing is essentially the procedure by which a magnetic field is eliminated or decreases. In order to erase data from magnetic storage devices, there has to be a magnetic field involved. A fine coating of chromium oxide and iron oxide sometimes exists on the tape. A very intense magnetic field is generated during this process. It is the intensity of this magnetic field that aids in permanent removal of the information stored on the iron oxide coating or the chromium oxide. The data stored on a disc is therefore destroyed completely because the magnetic field of the tape is changed. Data that was recorded is usually randomized or completely removed making during this process. This explains why the data can never be recovered after the process.
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Safety Issues As per the WHO degaussing is completely harmless to people’s health. This means the exposure to magnetic fields during the process is not to cause alarm. The Speed of The Process Degaussing might sound like a slow and complex process. Nonetheless, contrary to what the name may sound like, this process is actually easy and fast. Uses a Different Concept from Hard Drive Erasers As aforementioned, degaussing, works with the help of a magnetic field to reset the hard drive’s magnetic charge to a state that is neutral. Conversely drive erasing is where data that is on a drive is overwritten so many times that it becomes impossible to access decipher or restore forensically. Essentially, no erasing actually goes on in this process.