Can Windows 7 cipher.exe securely wipe USB drive?
Using the command line tool cipher.exe built into Windows 7, can it be used to securely wipe a USB attached drive?
Solution 1:
Yes, but it may be slow compared to other tools that do the same job.
cipher /w:X
Substitute the drive letter X for your flash drive.
Remember this only overwrites free space, so delete all files first.
Solution 2:
You can also use sdelete from http://technet.microsoft.com/en-us/sysinternals/bb897443