One of the most concerned issues is the
secure multimedia sharing between consumers.
Indeed, most CMNs disseminate and process
massive amounts of personal and business
data, information and content with no secure
way. In recent years we have witnessed a
growing series of accidents and attacks on end
consumers. Through denial of service attacks,
viruses, phishing, spyware and other techniques
[3], criminals disrupt service provisioning and
steal personal or confidential business data for
financial gain or other purposes.