Project 19C: Shredding Documents Digitally
Although most people are satisfied with deleting their files when they no longer need them, they may not realize that the deleted file data is still retrievable. This may pose little concern when it comes to photos of your summer trip to Maryland or reports you may have written for a class on Thai cooking, but it is a completely different situation if you've been storing bank details or other confidential information on your hard disk. Even if you reformat that disk, the data stays. That is great news if you want to retrieve any files you may have accidentally deleted (or formatted away), but it isn't such good news if your computer gets lost or stolen or if you just decide to give it away. In such cases, ...
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