iStorage cloudAshur: Encrypt, share and manage your files locally and in the cloud

iStorage cloudAshur Hardware encrypted Security Module
iStorage’s cloudAshur is a $128 [via Amazon] rugged hardware key for Macs and Windows PCs that stores encryption keys (AES-ECB or AES-XTS 256-bit) and authenticates your Mac when you plug it into a USB port.
Mary Branscombe :Give each employee a key and the cloudAshur software, and both local files and files stored in the cloud and shared with colleagues via cloudAshur can be encrypted. They can only be viewed or edited after the physi