Anti-privacy disclosure Win10 one stroke completely erased the hard disk deleted files

When we delete files from the hard drive, the Windows system simply marks the files as deleted, but in fact the files still exist. Using some tools, such as the data recovery tool in the soft media cube, it is easy to The data is restored until the location where the file is stored on the hard disk is overwritten by other data to ensure that the file is not restored.

If the file you deleted involves personal privacy and you are worried about the data being recovered, what should you do? The method is very simple, please see below.

This function exists in Windows XP, Win7, Win8.1, Win10. The system comes with a command line tool called cipher. Its purpose is to use EFS to encrypt the file system. The file is encrypted. However, this tool also has an additional feature that can be used to erase the remaining space on the hard disk to safely delete deleted files contained in the remaining space. The tool usage is very simple, as follows:

1. Enter CMD in the start menu or taskbar search box, find the command prompt in the search results, right click, select to administrator Identity running.

2. Enter the following command at the command prompt and press Enter:

cipher /w:C

The last letter "C" stands for partition The drive letter can be modified as needed. After that, you only need to wait patiently, as shown below:

To erase data, the tool will perform three tasks in sequence: first, overwrite the remaining space with 0x00, then overwrite the remaining space with data 0xFF, and finally use Random data is erased. It takes some time to complete the whole process, depending on the amount of free space on the hard disk.

Is it very simple? In addition, if your file has not been manually deleted, you can use the file master in the soft media cube to smash it, the file master will also use random, blank and other data to erase the file, which needs to be wiped for a single file. In addition, the efficiency is higher. As shown below: