We will need to encrypt data at the object level – pictures, maps, files, and so on. Encrypting at the object level and tagging each object with embedded computer awareness data require strong enterprise key management so data can be securely accessed Embedded Computer anywhere from any device. The data just needs to be locked down embedded computer at the most granular level with the lock being an encryption embedded computer scheme that protects data at the object level.
refer to: http://mil-embedded.com/articles/cloud-security-the-dod/
