News For This Month: Computers

What You Should Know About Degaussing of Hard Drives Lots of PC users believe that when one deletes a file and empties the trash bin, the information is completely erased. This however is not the truth Fact is that the data is still in the drive. In fact, all one does when they delete such information from their computer is to erase the path that one can use to access the 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 means doing away with data completely. 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 erasing is unlike any other method of erasing data. 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. makes Use of Magnetic Fields
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Elimination or decrease of a magnetic field is what is termed as degaussing. This means it requires magnetic fields in order to erase information from magnetic storage devices such as discs and tapes. These devices have a fine coating of iron oxide and sometimes chromium oxide on the tape. During this degaussing process an intense magnetic field is generated. 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. previously recorded data is either removed or randomized during degaussing. This makes it impossible to recover the data.
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Safety of the Process According the World Health Organization, there is no evidence that suggests any kind of harm can come from this type data destruction. This means people shouldn’t fear being exposed to these magnetic fields during the degaussing process. Speed of the Degaussing Process The process of degaussing might sound complicated and slow. However, contrary to what the name sounds like the process of erasing data is quick and simple. Uses a Different Concept from Hard Drive Erasers As previously mentioned, degaussing requires the use of magnetic fields to help neutralize a hard drive’s magnetic charge. 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. In essence, there is actually no erasing that goes on in the process.