Patent ID: 7669225

Claim:
A method for providing multi-domain control over a digital data item via a first domain data item specific security policy assigned to said digital data item at a first domain, said digital data item being transferred from said first domain to a second domain, said second domain being autonomous from said first domain in respect of security policies, the method comprising: assigning a digital data item specific security policy to said digital data item within said first domain, said digital data item specific security policy being applied in accordance with a first domain security policy operational within said first domain; transferring said digital items to said second domain together with additional data defining said digital data item specific first domain security policy, said second domain having a second domain security policy operational within said second domain, said first and second domain security policies being autonomously defined; analyzing said first digital data item specific first domain security policy within said second domain in respect of said digital data item; and performing at least one of distributing and allowing usage of said digital item within said second domain in accordance with said analyzed digital data item specific first domain security policy, so as to provide control of said digital data item in said autonomous second domain in accordance with said digital data item specific security policy of said first domain.