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Things You Should Know About Hard Drive Degaussing 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. Nevertheless, it is still possible to erase information completely from your HD. One can erase data from their computer hard drive in three different ways. One can physically destroy the drive, use a hard drive eraser or use degaussing to clear the drive. Degaussing is simply permanent erasing of data. With so much sensitive information being stored on hard drives out there, organizations require a way of being able to securely do away with sensitive data completely. This method of doing away with data is different from others. Degaussing is not like simple deleting or formatting, it uses a unique technique to clear data completely. Below are some fact s you should know about hard drive degaussing. Uses Magnetic Fields
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Elimination or decrease of a magnetic field is what is termed as degaussing. A magnetic field is necessary when trying to erase information from a magnetic storage device. These devices have a fine coating of iron oxide and sometimes chromium oxide on the tape. During the process of degaussing, a very intense magnetic field is generated. The magnetic memory stored on either the chromium oxide or the iron oxide is done away with completely because of the immense power of the magnetic field produced. The change in the magnetic field is what does away with the data on the drive. Data that was recorded is usually randomized or completely removed making during this process. This is why the data can never again be recovered.
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Safety Issues As per the WHO degaussing is completely harmless to people’s health. This is particularly with regard to one’s exposure to the magnetic fields during the process. How Fast It is Many people think the process is slow and complicated. 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 already highlighted degaussing uses the help of a magnetic field to neutralize the magnetic charge in a drive. On the other hand, the so-called drive erasers simply overwrite the existing data making it impossible to forensically restore or decipher. In essence, there is actually no erasing that goes on in the process.