Wipe Data
Wipe Data can erase the data completely and ensure that the data can not be recovered by any data recovery solution. This function can prevent undesired recovery of your deleted data.

1.In the disk map of the main console, select an unallocated space which you want to wipe data;.

2. By right clicking the unallocated space select Wipe Data;

3. In the popup window, enter a proper value. This value means how many times you want to wipe this unallocated space. Click OK to continue;

4. Click Apply button on the toolbar to commit this operation.

Note
You can specify the number of times to wipe from 1 to 100.