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Using Eraser, you can delete sensitive data and files using various data overwriting methods and keep your hard drive. For example, most four-year-olds can destroy a hard drive, but not to Dept. Even then, you have to destroy the media correctly. The reason we say practical is that to ensure any data is 100% deleted calls for physically destroying media.
File shredder program free#
Sanitizing Your DataĪ practical approach is to use a free file shredder program called Eraser. The problem is finding out if there is sensitive data in these areas.

File shredder program windows#
Windows may leave sensitive data fragments behind when your machine needs more memory to handle large files, display web pages, or print documents. Most of this processing is done as a convenience to the user. While you didn’t explicitly request Windows to place parts of your files into any of these areas, it does so in its normal processing. Sensitive data from that marketing plan, or any other file, can be found in temporary files, cache, swap files, page files, and slack space. The bigger issue is the unknown, which is where Windows comes into play. The above steps help, but they’re simple ones and address the files you decide to delete. Some people take a step further and defrag their hard drive, so the marketing plan data gets overwritten. If someone used a disk editor, they could see your deleted marketing plans. The file’s first letter is changed, and references are deleted. Not really.Īlthough you deleted the file, the data is still on your computer. Out of sight, out of mind, and out of reach. To get rid of this file, people drag the file to the Recycle bin. For example, the marketing plan they wrote in Microsoft Word. When you think about data, most people think of the files they see in folders. Computers have become the data repositories of our lives, including personal info, photo, security camera footage, intellectual property, financial records, and so on. At the same time, the size of hard drives has exploded. Now, we have corporations downsizing and selling PCs. Few people thought about selling their computers or donating them to others. Hard drives were smaller, and notebooks weren’t as popular. Once a file has been shredded it can not be recovered using sophisticated file restoration utilities.I first wrote about Eraser in 2005. The purpose of File Shredder is to completely remove sensitive files and their contents from you disk drive. NOTE: Files and folders selected for shredding can not be recovered using an undelete program. For normal file deletion operations the two-pass method should be sufficient, but if you want to thoroughly erase a file's contents before deleting it the NSA approved method may be used. File Shredder has two file wiping methods available, a standard two-pass file clearing procedure and an NSA approved seven-pass file erasure method. You can also shred files by right-clicking on them from the MS Windows Explorer and selecting the Send To item on the popup context menu. To shred files and folders simply drag them to the File Shredder icon in the same way you would the Recycle Bin. File Shredder completely overwrites the contents of a file and then deletes it. Normal file deletion only removes a file's directory entry, but leaves the data contained in the file on your disk drive. File Shredder is a small utility that will completely erase the contents of sensitive files and folders that you specify.
