- FREE HARD DRIVE CLEANER CNET MAC OS
- FREE HARD DRIVE CLEANER CNET SOFTWARE
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FREE HARD DRIVE CLEANER CNET SOFTWARE
Wiping software is the obvious next choice. At the end of the day, you can recover that data readily if you have the right tools." "In a typical scenario, that only overwrites partitions, or sectors of data. "What we've seen with a lot of clients is that they think that reformatting a drive gets rid of the data, and that's just not true," said Kathy Ferguson, a business unit manager with IBM's Asset Recovery Solutions Group.
FREE HARD DRIVE CLEANER CNET MAC OS
The first step for many people would be a low-level reformatting of the operating system on their PC, even though doing that with Microsoft's Windows or Apple Computer's Mac OS operating systems won't destroy data completely, experts said. "There's really a significant difference." "You have to distinguish between deleting occasional files and truly wiping a machine clean," he added. "You have all kinds of data being stored in the hard drive, in the Web browser and in application files, and these are all affected by the same problem-you delete something on the computer, but it doesn't really ever get deleted completely," said Garfinkel, a doctoral candidate at the Massachusetts Institute of Technology. That study followed similar research published in 2003 by graduate students Simson Garfinkel and Abhi Shelat, who found that only 12 of the 129 working computer hard drives they bought in secondhand stores and on auction site eBay had been adequately cleansed of sensitive data from their previous owners. Last year, German encryption technology specialist Pointsec tested hard drives bought on eBay to see if they still carried data and discovered that seven out of every 10 devices it tested still bore readable information. There are signs that people are not aware of the risk from discarded drives. Johnson also distrusts the ability of companies offering mass computer wiping services to have sufficient methods of testing to see if data exists on the drives even after their processes have been run. "We know that unless that is done a certain way, even that can be an ineffective approach." "Our position, ultimately, was that we will only give our approval to physical destruction of the hard drive," Johnson said. Bob Johnson, executive director at NAID, said the data-destruction industry group would like to be able to recommend the tools, but that tests had left reason to doubt the wiping products. Two weeks ago, the National Association for Information Destruction announced that it could not endorse the use of wiping applications alone for deleting data from hard drives. That means that passwords, logins and other personal information could still be lurking on machines that have supposedly been cleaned-a risk that strikes a chord amid reports of laptop thefts exposing sensitive information on thousands of Americans.
"Even the people who destroy disks will tell you (that) unless you do that correctly, there are always people who can get the data off," he added.
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The only way to erase drives is to use wiping software plus material destruction. Sensitive data could be left on donated or sold PCs. It can be tougher to clean data off a discarded hard drive than many people realize, experts say.
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