Monday, August 6, 2012

How to erase datas securely

When you delete a file in windows or any operating system only the original file is deleted , The file still exists on a memory OR Temporary files meaning that it still can be recovered and proves the fact that it is where it is.

MACOSX
You are lucky if you are using MACOSX because you get inbuilt industry standard securely data erasing methodology. Of course it does not perform by itself you have to do that. To securely erase your confidential datas just follow the steps below.


NOTE: Performing the steps below will not format your computer, rather prevent it from recovery of your data.

First delete the data you dont want to recover then get started through these steps.
Step 1: Head to applications and then under Utilities open up native mac application named Disk utility.
Step 2: On the left side select the Disk
Step 3: Once you have selected your disk click on the erase tab.
Step 4: Now click on Erase free space
Step 5: Now scroll the bar to the most secure and click on erase free space.
Now you are done!!

clicking on erase free space will overwrite the data stored on memory and data accessible to MACOSX hence preventing your data/file from recovery.

WINDOWS
There are plenty of tools available for windows machine - in this post i'm taking you through one -my recommended one!
 Eraser its a tool for windows which makes it very easy for securely erasing datas. It erases data with gutmann method and also allows the number of times the data to be over written. You can immediately delete or schedule for erasing free space on any hard disk.You can get this installable version from here and portable version for carrying on your pendrive here

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