Is your Hard Drive Deleted data Completely Inaccessible? - Computers - Software

So you deleted all the data from your computer hard drive, and readied it for the garage sale, ensuring that no trace of your important data are left behind? Or did you simply format the system, and are sure that there is no data in it? Check again, this time with simple data recovery software. No, you don't have to buy a software to verify this! All you need to do is, download the free version of one software, and scan your hard drive with it. And, you'll find all your files and folders arranged in exactly the same manner as they originally were. What next? Well, download a hard drive wipe software. These software are file erasers, and they generally apply different overwriting techniques to remove the traces of data.

We have always thought that it is very simple to empty our hard drive. But the same is not true. There are a large number of data recovery software that can easily recover all the data from the system that we once thought was deleted from the system. These recovery software apply complex algorithms to extract the data from your hard drive. And so, be aware that your passwords, credit card details, etc, may fall in the hands of some wrong person. To protect yourself, and your data, it would be better for you to either overwrite all your deleted data with insignificant things, or use a software to do this job.

When we delete, we think all the data is deleted. But in reality, it is only the information about the storage location of the file that is lost or deleted. Owing to this, whatever data was saved, remains intact, until new data overwrites it. In case the data is not overwritten, then all your data can be recovered.

To avoid recovery, in case very confidential data is stored, a safe method would be to use different file erasers algorithms, like, Pseudo random, Zeroes, DoD 5220.22-M, B.Schneier's algorithm, Russian Standard - GOST, German Standard, etc. Once the data is overwritten, no data recovery software can recover data from the hard drive. The only problem is that manually overwriting huge drives is a humongous task, for which it is advisable to use specialized hard drive wipe software.

Stellar Disk Wipe is one such utility that comprehensively removes all traces of data on every sector of the hard drive. It can perform up to 35 passes to ensure complete removal of all your data.

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