Secure Wipe USB Drive Using Windows DiskPart

You can use the Wipe All command in DiskPart to write over all data on a drive.

Start DiskPart with administrator rights.

diskpart

Show available disks and select the USB stick

list disk
select disk {disk number}

Wipe all data

wipe all

Create partition and format the disk

select disk {disk number}
create partition primary
format fs=fat32 quick