Question by hilan: What is the software used to format my harddisk such that the data should never be taken back?
Now, eventhough we format the harddisk, using some softwares we can take all the data in that harddisk. So if I sell my PC other people may restore my secret data. So can you say any software to prevent this restoring? How can I make my harddisk like a new harddisk(completely formatted)?
Answer by justj736
By all technicalities, the only way to COMPLETELY wipe your hard drive is to buy a new one. formatting it is enough for most people to not go digging around looking for anything. For a little extra security there are programs that will write to the entire hard drive and erase everything on it time and time again. This would make it incredibly difficult for anybody to find anything of yours on the hard drive. If you have extremely personal information and you are overly paranoid about it your best bet would be to just destroy the hard drive altogether.
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